Power Protection Simplified: Exploring the Easy UPS 3S 20 kVA 400 V 3:3 UPS (E3SUPS20KHB1)

In today’s fast-paced, technology-driven world, ensuring uninterrupted power for critical IT infrastructure is non-negotiable. The Schneider Electric Easy UPS 3S 20 kVA 400 V 3:3 UPS with internal batteries – 15 minutes runtime (E3SUPS20KHB1) is a high-efficiency, three-phase uninterruptible power supply (UPS) designed to deliver reliable power protection for small to medium data centers, server rooms, and business-critical applications. This blog dives into the features, benefits, and use cases of the Easy UPS 3S E3SUPS20KHB1, highlighting why it’s an ideal choice for businesses seeking seamless power continuity.

What is the Easy UPS 3S 20 kVA (E3SUPS20KHB1)?

The Easy UPS 3S E3SUPS20KHB1 is a 20 kVA / 20 kW, 400 V, 3:3 phase UPS from Schneider Electric, a global leader in energy management and automation. Engineered for simplicity and reliability, this UPS provides 15 minutes of runtime at full load with its integrated internal batteries, ensuring critical systems remain operational during power outages. With a robust electrical design and advanced features, it’s tailored for small and medium businesses, offering easy installation, operation, maintenance, and service.

Key Specifications

  • Part Number: E3SUPS20KHB1
  • Power Capacity: 20 kVA / 20 kW
  • Topology: Double conversion online
  • Input Voltage: 380/400/415 V (Three-phase + Neutral)
  • Output Voltage: 400 V 3-phase
  • Runtime: Up to 15 minutes at full load (internal batteries)
  • Efficiency: Up to 96% in double conversion mode
  • Input Power Factor: >0.99
  • Dimensions: 1400 mm (H) x 380 mm (W) x 928 mm (D)
  • Net Weight: 446 kg
  • Communication Interfaces: RS232, RS485, USB, dry contact, Modbus TCP/IP, optional network card
  • Control Panel: Multi-function LCD status and display console

Features of the Easy UPS 3S E3SUPS20KHB1

The Easy UPS 3S is designed to simplify power protection while delivering high performance. Here are its standout features:

1. High Efficiency

With up to 96% efficiency in double conversion mode, the E3SUPS20KHB1 minimizes energy losses, reducing operating costs and heat output. Its high input power factor (>0.99) ensures optimal use of electrical resources, making it an eco-friendly choice for modern data centers.

2. 15-Minute Runtime with Internal Batteries

The UPS includes internal batteries that provide up to 15 minutes of runtime at full load, allowing systems to continue running during short power outages or until backup generators kick in. This feature eliminates the need for immediate external battery cabinets, saving space and simplifying installation.

3. Double Conversion Online Topology

The double conversion online design ensures a consistent, clean power output by continuously converting incoming AC power to DC and back to AC. This protects connected equipment from power surges, sags, and other disturbances, making it ideal for sensitive IT and industrial applications.

4. Easy Installation and Operation

The Easy UPS 3S lives up to its name with a user-friendly design. It’s easy to install, operate, maintain, and service, thanks to its compact footprint, intuitive multi-function LCD control panel, and comprehensive documentation. The UPS includes a dust filter and conformance-coated boards for enhanced durability in harsh environments.

5. Advanced Communication Options

The UPS supports multiple communication interfaces, including RS232, RS485, USB, dry contact, Modbus TCP/IP, and an optional network card. These options enable seamless integration with data center management systems, allowing real-time monitoring and control.

6. Robust Electrical Design

Built for reliability, the E3SUPS20KHB1 features a robust electrical design that ensures business continuity in data centers or electrical rooms. Its wide input voltage range (380/400/415 V) and network frequency (45–65 Hz) make it adaptable to various power environments.

Benefits of the Easy UPS 3S E3SUPS20KHB1

The E3SUPS20KHB1 offers several advantages for businesses seeking reliable power protection:

  • Business Continuity: The 15-minute runtime and double conversion topology ensure uninterrupted operation of critical systems during power disruptions, minimizing downtime and data loss.
  • Cost Savings: High efficiency (up to 96%) reduces energy costs, while the all-in-one design with internal batteries lowers installation and maintenance expenses.
  • Simplified Management: The intuitive LCD console and advanced communication options make it easy to monitor and manage the UPS, even for users with limited technical expertise.
  • Space Efficiency: The compact design (380 mm width) and integrated batteries save valuable floor space in data centers and electrical rooms.
  • Versatility: Support for multiple input voltages and a wide frequency range makes the UPS suitable for diverse global deployments.
  • Durability: Features like dust filters and conformance-coated boards enhance reliability in challenging environments, extending the UPS’s lifespan.

Applications of the Easy UPS 3S E3SUPS20KHB1

The Easy UPS 3S 20 kVA is designed for a variety of use cases, including:

  • Small to Medium Data Centers: Its compact size, high efficiency, and 15-minute runtime make it ideal for protecting servers, storage, and networking equipment in smaller data centers.
  • Commercial and Industrial Facilities: The UPS ensures reliable power for business-critical applications in offices, manufacturing plants, and electrical rooms.
  • Healthcare: Hospitals and clinics can rely on the E3SUPS20KHB1 to power sensitive medical equipment, ensuring patient safety during power outages.
  • Retail and Hospitality: The UPS supports point-of-sale systems, security infrastructure, and guest services in retail stores and hotels.
  • Edge Computing: For edge deployments requiring compact, reliable power protection, the Easy UPS 3S delivers robust performance in remote or distributed IT environments.

How Does the E3SUPS20KHB1 Compare to Other UPS Models?

The Easy UPS 3S 20 kVA stands out in Schneider Electric’s portfolio but can be compared to other models:

  • Easy UPS 3S 15 kVA (E3SUPS15KHB): Offers a lower power capacity (15 kVA) but similar features. The 20 kVA model is better suited for larger loads.
  • Easy UPS 3S 30 kVA (E3SUPS30KHB1): Provides higher capacity (30 kVA) for more demanding applications but may require external batteries for equivalent runtime.
  • Other Brands: Compared to competitors, the Easy UPS 3S emphasizes ease of use, high efficiency, and integrated batteries, making it a cost-effective choice for small to medium businesses.

Installation and Setup Tips

To maximize the performance of the Easy UPS 3S E3SUPS20KHB1, consider these best practices:

  1. Verify Electrical Compatibility: Ensure the input power supply matches the UPS’s 380/400/415 V, three-phase requirements and that all breakers are in the OFF position during installation.
  2. Ensure Proper Ventilation: Place the UPS in a well-ventilated area to prevent overheating, maintaining its 96% efficiency and extending battery life.
  3. Use Qualified Personnel: Installation should be performed by trained electricians familiar with three-phase power systems to ensure safety and compliance.
  4. Configure Communication Interfaces: Set up RS232, RS485, or Modbus TCP/IP connections for remote monitoring, leveraging the optional network card for advanced management.
  5. Regular Maintenance: Inspect the dust filter and battery health periodically to maintain optimal performance, especially in dusty or high-humidity environments.

Conclusion

The Schneider Electric Easy UPS 3S 20 kVA 400 V 3:3 UPS with internal batteries (E3SUPS20KHB1) is a powerful, efficient, and user-friendly solution for protecting critical IT and business infrastructure. With its 15-minute runtime, 96% efficiency, and robust electrical design, it ensures business continuity in data centers, commercial facilities, and edge environments. Its ease of installation, operation, and maintenance makes it an excellent choice for small to medium businesses looking to simplify power protection without compromising reliability.

Whether you’re safeguarding servers, medical equipment, or retail systems, the Easy UPS 3S E3SUPS20KHB1 delivers peace of mind with its advanced features and competitive specifications. For more details or to purchase, CONTACT US @ TIACO TECHNOLOGIES.

APC Easy UPS 3S 20 kVA 400 V 3:3 UPS with Internal Batteries (E3SUPS20KHB1): Reliable Power Protection for Small and Medium Businesses

In today’s digital landscape, ensuring uninterrupted power for critical IT infrastructure is paramount for businesses of all sizes. The APC Easy UPS 3S 20 kVA 400 V 3:3 UPS with Internal Batteries – 15 Minutes Runtime (E3SUPS20KHB1), manufactured by Schneider Electric, is a high-efficiency, three-phase uninterruptible power supply (UPS) designed to deliver robust power protection for data centers, server rooms, and electrical rooms. With a 15-minute runtime and advanced features tailored for small and medium businesses, this UPS ensures business continuity with ease of installation and maintenance. This blog explores the E3SUPS20KHB1’s features, benefits, applications, and why it’s an ideal choice for reliable power management.

What is the APC Easy UPS 3S E3SUPS20KHB1?

The APC Easy UPS 3S E3SUPS20KHB1 is a 20 kVA, 400 V, 3-phase in/3-phase out (3:3) UPS that provides 15 minutes of runtime with its internal Valve-Regulated Lead-Acid (VRLA) batteries. Designed for small and medium businesses, it offers a compact, lightweight solution with a maximum power capacity of 20 kW / 20 kVA. The UPS features a robust electrical design, high efficiency (up to 96% in double conversion mode), and competitive specifications, making it exceptionally easy to install, operate, maintain, and service. It includes a dust filter and conformance-coated boards for harsh environments, ensuring durability in challenging conditions.

With features like parallel capability, a wide input voltage window, and optional remote monitoring via an SNMP card, the E3SUPS20KHB1 is tailored to meet the power protection needs of modern IT environments while minimizing total cost of ownership.

Key Features of the E3SUPS20KHB1

  1. High Efficiency: Achieves up to 96% efficiency in double conversion mode and supports ECO Mode, which bypasses unused electrical components in stable power conditions to reduce energy consumption without compromising protection.
  2. 15-Minute Runtime: Equipped with two internal 7Ah modular VRLA battery strings (expandable to three), providing 15 minutes of backup power at full load to safely shut down or transfer to alternative power sources.
  3. Wide Input Voltage Window: Operates with input voltages from 304–477 V (380/400/415 V, 3-phase + neutral), preserving battery life during minor power fluctuations.
  4. Compact and Lightweight Design: Measures 140 cm (H) x 38 cm (W) x 92.8 cm (D) and is designed for easy positioning, with front-access servicing to minimize space requirements.
  5. Parallel Capability: Multiple units can be connected in parallel to increase power capacity or provide redundancy, ensuring scalability for growing businesses.
  6. Advanced Communication Interfaces: Includes RS232, RS485, USB, dry contact, Modbus TCP/IP, and optional SNMP card for remote monitoring and management via the UPS web interface or EcoStruxure IT software suites.
  7. Intuitive Control Panel: Features a multi-function LCD with status and display console for easy system configuration and monitoring.
  8. Robust Electrical Design: Offers low input total harmonic distortion (<3% at full load), a high input power factor (>0.99), and output voltage tolerance of ±1.5%, ensuring stable power delivery.
  9. Harsh Environment Protection: Includes a dust filter and conformance-coated boards to withstand dust, humidity, and other challenging conditions.
  10. Easy Installation: Features integrated input, output, and bypass breakers, plus an Emergency Power Off (EPO) switch, simplifying planning and speeding up deployment.
  11. Easy Loop Test: Verifies UPS performance before connecting the load, eliminating the need for a load bank.
  12. Safety and Compliance: Certified with CE, EN/IEC standards, and includes a CMIM Declaration of Conformity and Certificate of Origin.
  13. Eco-Friendly Design: Packaged with at least 70% recycled cardboard (50% in the US) and eligible for Schneider Electric’s global take-back program for responsible disposal.

Why Choose the APC Easy UPS 3S E3SUPS20KHB1?

The E3SUPS20KHB1 stands out for its combination of reliability, efficiency, and ease of use, making it an ideal choice for small and medium businesses. Key advantages include:

  • Business Continuity: The 15-minute runtime ensures critical systems remain operational during power outages, allowing safe shutdowns or generator activation.
  • Cost Efficiency: High efficiency and ECO Mode reduce energy costs, while the compact design and front-access servicing lower installation and maintenance expenses.
  • Scalability: Parallel capability and expandable battery strings support future growth without requiring a complete system overhaul.
  • Ease of Management: The intuitive LCD interface and optional SNMP card enable local and remote monitoring, reducing the need for on-site intervention.
  • Durability: Conformance-coated boards and dust filters enhance reliability in harsh environments, such as industrial settings or dusty data centers.
  • Global Compatibility: Supports multiple input/output voltages (380/400/415 V) and is available in numerous countries, making it suitable for global deployments.

Compared to other UPS systems, the E3SUPS20KHB1 offers a balance of advanced features and affordability, outperforming basic models while remaining more cost-effective than premium 3-phase UPS systems like the APC Easy UPS 3L.

Ideal Use Cases

The E3SUPS20KHB1 is designed for environments requiring reliable, high-efficiency power protection, including:

  • Small to Medium Data Centers: Ensures uptime for servers, storage, and networking equipment.
  • Server Rooms: Protects critical IT infrastructure in offices or educational institutions.
  • Electrical Rooms: Provides backup power for industrial or commercial facilities.
  • Healthcare Facilities: Supports medical equipment requiring stable power during outages.
  • Retail and Branch Offices: Safeguards POS systems, networking gear, and workstations.

Installation and Setup

Installing the E3SUPS20KHB1 is designed to be straightforward:

  1. Position the UPS: Roll the compact unit into place, leveraging its lightweight design (note: UPS weight excludes battery weight).
  2. Connect Power: Use the 400 V 3-phase input (380/400/415 V, neutral required) and ensure proper grounding per the Earthing Principles guide.
  3. Install Batteries: The unit includes two internal 7Ah battery modules; an empty slot allows expansion to a third module for extended runtime.
  4. Configure Settings: Use the multi-function LCD or connect via communication interfaces (RS232, RS485, USB, or optional SNMP card) for setup.
  5. Perform Easy Loop Test: Verify UPS performance without a load bank before connecting equipment.
  6. Connect Loads: Attach devices to the output, ensuring the total load does not exceed 20 kW / 20 kVA.

The package includes a Dust Filter, Installation Guide, and access to runtime charts under the Documents tab for detailed battery performance data. For further guidance, refer to the Easy UPS 3S Installation Manual.

Customer Feedback

Users praise the E3SUPS20KHB1 for its ease of use and reliability:

  • Data Center Manager: “The 15-minute runtime gave us enough time to switch to our generator during a blackout. Installation was a breeze, and the LCD interface is user-friendly.”
  • IT Specialist: “The ECO Mode has noticeably reduced our energy bills, and the SNMP card integration with EcoStruxure IT is seamless for remote monitoring.”
  • Critical Note: Some users mention that the initial cost (approximately £5,000–£8,000, depending on the retailer) is higher than single-phase UPS systems, but the 3-phase efficiency and scalability justify the investment.

No formal reviews are available on some retailer sites, but the lack of negative feedback suggests consistent performance.

Maintenance Tips

  • Monitor Battery Health: Check battery status via the LCD or EcoStruxure IT to ensure optimal performance; replace VRLA batteries every 3–5 years.
  • Clean Dust Filters: Regularly replace or clean the dust filter to maintain airflow and protect internal components.
  • Verify Environment: Operate within 0–40°C and 0–95% non-condensing humidity; store at -15–40°C.
  • Update Firmware: Use the network interface to apply firmware updates for enhanced features.
  • Recycle Responsibly: Utilize Schneider Electric’s take-back program for eco-friendly disposal of batteries and the UPS at end-of-life.

Comparison with Similar Products

Compared to other UPS systems, the E3SUPS20KHB1 offers:

  • Versus Single-Phase UPS: The 3-phase design supports higher power loads (20 kVA) and is more efficient for data centers than single-phase models like the APC Smart-UPS SRT.
  • Versus Easy UPS 3S 30 kVA (E3SUPS30KHB): The 20 kVA model is more compact and affordable, suitable for smaller setups, while the 30 kVA model offers higher capacity but requires more space.
  • Versus Easy UPS 3S 20 kVA with 30-Minute Runtime (E3SUPS20KHB2): The E3SUPS20KHB1 provides a shorter 15-minute runtime but is less expensive, ideal for businesses with faster generator failover.
  • Versus Competitors (Eaton 9E): The E3SUPS20KHB1’s ECO Mode and conformance-coated boards give it an edge in efficiency and durability, though Eaton models may offer competitive pricing.

Conclusion

The APC Easy UPS 3S 20 kVA 400 V 3:3 UPS with Internal Batteries – 15 Minutes Runtime (E3SUPS20KHB1) is a high-efficiency, reliable, and user-friendly power protection solution for small and medium businesses. Its 15-minute runtime, up to 96% efficiency, and features like parallel capability, ECO Mode, and harsh environment protection make it ideal for data centers, server rooms, and electrical rooms. With easy installation, advanced communication options, and a compact design, the E3SUPS20KHB1 ensures business continuity while minimizing operational costs.

Backed by Schneider Electric’s reputation, a 2-year warranty, and eco-friendly design, the E3SUPS20KHB1 delivers exceptional value for IT professionals seeking scalable, robust power protection. For more information or to purchase, CONTACT US @ TIACO TECHNOLOGIES. Protect your critical infrastructure with the E3SUPS20KHB1—because in a connected world, uptime is non-negotiable.

Ensuring Business Continuity with the APC Easy UPS 3S 20 kVA 400 V 3:3 UPS (E3SUPS20KHB1)

In today’s digital age, uninterrupted power is a cornerstone of business success. From data centers to small enterprises, downtime caused by power outages can lead to lost revenue, disrupted operations, and damaged equipment. The APC Easy UPS 3S 20 kVA 400 V 3:3 UPS with internal batteries – 15 minutes runtime (E3SUPS20KHB1), crafted by APC under Schneider Electric, offers a reliable, efficient, and user-friendly solution to keep critical systems running smoothly. This blog explores the E3SUPS20KHB1’s key features, benefits, and why it’s an ideal choice for small to medium businesses needing robust power protection.


What is the APC Easy UPS 3S E3SUPS20KHB1?

The APC Easy UPS 3S (model E3SUPS20KHB1) is a 20 kVA, 400 V, 3-phase uninterruptible power supply (UPS) designed to deliver high-efficiency power protection with a built-in battery backup providing 15 minutes of runtime at full load. This 3:3 configuration (three-phase input and output) ensures stable power delivery for a wide range of IT and electrical equipment. Tailored for small and medium businesses, it combines competitive specifications with a rugged design to simplify business continuity in data centers, server rooms, or electrical closets.

The unit comes equipped with internal Valve-Regulated Lead-Acid (VRLA) batteries, a dust filter, and conformance-coated boards to withstand harsh environments, making it both practical and resilient.


Key Features of the E3SUPS20KHB1

  1. 20 kVA / 20 kW Capacity
    With a power capacity of 20 kVA (20 kilowatts), the E3SUPS20KHB1 supports a variety of critical loads, such as servers, networking gear, and industrial equipment, ensuring they stay operational during power disruptions.
  2. 15-Minute Internal Battery Runtime
    The included internal batteries provide 15 minutes of backup power at full load, giving you ample time to save data, switch to a generator, or gracefully shut down systems. Runtime can vary based on load levels—check APC’s runtime charts for precise details.
  3. High Efficiency with Double Conversion
    Operating in double-conversion online mode, the UPS delivers clean, consistent power with less than 3% output voltage distortion and a near-perfect input power factor (>0.99). It achieves up to 96% efficiency in normal operation, reducing energy costs.
  4. Wide Input Voltage Range
    The UPS accepts input voltages from 304V to 477V, preserving battery life by minimizing reliance on backup power during minor grid fluctuations.
  5. Parallel Capability
    Need more power or redundancy? Multiple E3SUPS20KHB1 units can be connected in parallel, scaling capacity or adding fault tolerance to meet growing demands.
  6. Remote Monitoring with Optional SNMP
    Add an optional SNMP card to monitor and manage the UPS remotely via a web interface or Schneider Electric’s EcoStruxure IT platform, enhancing oversight and control.
  7. Rugged Design for Harsh Environments
    With a dust filter and conformance-coated circuit boards, this UPS is built to perform in dusty or humid conditions. It operates reliably between 0–40°C and up to 95% non-condensing humidity.
  8. User-Friendly Installation and Maintenance
    Front-access servicing, a compact footprint, and an intuitive LCD control panel make the E3SUPS20KHB1 easy to install, operate, and maintain. It also includes an ECO Mode to bypass unused components during stable power conditions, boosting efficiency without compromising protection.

Why You Need the E3SUPS20KHB1

Power outages, surges, and voltage sags can strike unexpectedly, threatening your operations. The E3SUPS20KHB1 addresses these risks by:

  • Protecting Equipment: Its double-conversion topology filters out power anomalies, safeguarding sensitive electronics.
  • Ensuring Uptime: The 15-minute runtime buys critical time to manage outages effectively.
  • Reducing Costs: High efficiency and a wide input voltage window lower energy bills and extend battery life.

For small to medium businesses, this UPS strikes a balance between performance and simplicity, offering enterprise-grade features without the complexity or expense of larger systems.


How to Use the E3SUPS20KHB1

Installation is straightforward:

  1. Place the UPS in a well-ventilated area (IP20-rated enclosure).
  2. Connect the 400V 3-phase input (supports 380V, 400V, or 415V) to your power source.
  3. Attach your equipment to the output terminals.
  4. Power on the unit and configure settings via the multi-function LCD console.
  5. Optionally, install an SNMP card for network management.

The UPS ships with a dust filter and installation guide, and its lightweight, rollable design simplifies positioning. For detailed specs or runtime adjustments, refer to the documentation under APC’s support resources.


Who Should Use the E3SUPS20KHB1?

This UPS is perfect for:

  • Small Data Centers: Keep servers and storage online during outages.
  • Retail and Offices: Protect POS systems, computers, and communication devices.
  • Industrial Settings: Power control systems in environments with dust or temperature challenges.

It’s an excellent fit for businesses that need reliable power protection without the overhead of advanced metering or extensive customization.


Final Thoughts

The APC Easy UPS 3S 20 kVA 400 V 3:3 UPS (E3SUPS20KHB1) is a powerhouse of reliability and simplicity. Its 15-minute runtime, high efficiency, and rugged design make it a standout choice for safeguarding critical loads in small to medium setups. Whether you’re preventing downtime in a server room or ensuring continuity in an electrical closet, this UPS delivers peace of mind with minimal fuss.

Investing in the E3SUPS20KHB1 means investing in your business’s resilience. With APC’s reputation for quality and Schneider Electric’s innovative engineering, it’s a smart step toward uninterrupted operations in an unpredictable world. Ready to power up? The Easy UPS 3S has you covered!

CONTACT US @ TIACO TECHNOLOGIES.

Exploring the Easy UPS 3S 20 kVA 400 V 3:3 with Internal Batteries – Your Guide to Reliable Power Backup

In today’s data-driven world, ensuring your critical systems have uninterrupted power is not just a luxury; it’s a necessity. This brings us to the focus of today’s blog: the APC Easy UPS 3S 20 kVA 400 V 3:3 UPS model E3SUPS20KHB1, which promises to keep your operations running smoothly, even during power outages. Let’s delve into what makes this UPS system a standout choice for small to medium businesses and data centers.

Overview of the Easy UPS 3S 20 kVA

The Easy UPS 3S series is designed for those who need robust, efficient, and easy-to-use power protection. Here’s what this specific model offers:

  • Capacity and Voltage: With a power capacity of 20 kVA (kilovolt-amperes) and an output of 400 V in a three-phase configuration (3:3), it’s tailored for environments where higher power demands are common.
  • Internal Batteries: One of the key features of the E3SUPS20KHB1 is its internal battery setup, which provides approximately 15 minutes of runtime at full load. This duration can be crucial for safely shutting down systems or for maintaining operations during short power interruptions.
  • Efficiency: This UPS boasts high efficiency, which translates to lower operational costs and less heat generation, contributing to a longer lifespan for both the UPS and connected equipment.

Key Features:

  • High-Efficiency Design: The double conversion online topology ensures that your equipment receives clean, stable power, even under variable input conditions. Efficiency can reach up to 96%, thanks to its ECO mode.
  • Ease of Use: True to its name, the “Easy” UPS 3S is designed for simple installation, operation, and maintenance. Features like intuitive graphical interfaces and quick setup guides minimize downtime during installation or maintenance.
  • Adaptability: It includes dust filters and conformance-coated boards, making it suitable for harsh environments. This resilience is essential for data centers where air quality might not always be ideal.
  • Scalability: While the model comes with internal batteries, there’s also the option to expand battery runtime with external battery packs for longer autonomy if required.
  • Parallel Capability: For businesses that might grow or require redundancy, this UPS can be set up in parallel configurations to meet higher power demands or to provide redundancy.
  • Communication and Management: Optional SNMP cards allow for remote monitoring and management, ensuring you can keep track of your UPS’s health and performance from anywhere.

Application Scenarios:

  • Data Centers: Ideal for small to medium-sized data centers where space and power efficiency are at a premium.
  • IT and Network Rooms: Perfect for protecting network servers, switches, and other critical IT infrastructure.
  • Small to Medium Businesses: Provides an economical yet reliable solution for businesses needing to protect their office systems from power dips, surges, or outages.

Technical Specifications:

  • Output:
    • Power Capacity: 20 kW / 20 kVA
    • Output Voltage: 400V 3-phase
    • Voltage Tolerance: ±1.5%
    • THD (Total Harmonic Distortion): <3%
  • Input:
    • Nominal Voltage: 400V 3-phase
    • Frequency: 45 – 65 Hz
    • Voltage Range: 304 – 477V
  • Batteries:
    • Type: VRLA (Valve Regulated Lead Acid)
    • Included Modules: 2, with the option to expand.

Conclusion

The APC Easy UPS 3S 20 kVA 400 V 3:3 model E3SUPS20KHB1 stands out as an excellent choice for those needing reliable, efficient power backup. Its combination of performance, ease of use, and adaptability to various environments makes it a go-to solution for businesses looking to safeguard their operations against power uncertainties. Whether you’re expanding your data center or simply ensuring your business continuity, this UPS model offers the peace of mind that comes with knowing your critical systems are protected. Remember, while this model provides 15 minutes of runtime with internal batteries, for extended outages, considering additional battery packs might be wise to extend that protection window.

CONTACT US @ TIACO TECHNOLOGIES.

Power Your Business with Confidence: Easy UPS 3S 20 kVA 400 V 3:3 UPS (E3SUPS20KHB1)

In today’s business landscape, maintaining uninterrupted power is crucial for keeping critical operations running smoothly. Unexpected power outages or fluctuations can lead to costly downtime, data loss, and hardware damage. The Easy UPS 3S 20 kVA 400 V 3:3 UPS with internal batteries (model E3SUPS20KHB1) is designed to provide reliable and efficient power protection for businesses of all sizes. With a 15-minute runtime and robust features, this UPS is a dependable choice for safeguarding your essential equipment.

Overview of the Easy UPS 3S 20 kVA

The Easy UPS 3S is a three-phase Uninterruptible Power Supply (UPS) designed by Schneider Electric to deliver high-quality power protection in a compact, easy-to-deploy package. It provides seamless backup power and voltage regulation for mission-critical applications, ensuring business continuity even during power disturbances.

Key Features and Benefits

  1. 20 kVA Power Capacity:
    • With a power rating of 20 kVA (16 kW), the Easy UPS 3S can handle demanding loads, making it ideal for small to medium-sized data centers, server rooms, and industrial applications.
  2. Three-Phase 400V Input and Output:
    • The UPS supports 3:3 phase configurations with a 400V input and output, ensuring compatibility with high-performance IT and industrial equipment.
  3. Internal Batteries with 15-Minute Runtime:
    • Equipped with internal batteries, the UPS provides up to 15 minutes of runtime at full load, giving your team ample time to safely shut down systems or switch to a backup generator.
  4. Compact and Space-Saving Design:
    • The Easy UPS 3S features a small footprint that minimizes the space required in your facility, making it suitable for environments with limited room.
  5. Reliable Voltage Regulation:
    • The UPS includes double-conversion online technology, delivering consistent and clean power to connected devices. This ensures protection against voltage fluctuations, surges, and other electrical disturbances.
  6. User-Friendly Interface:
    • A simple and intuitive display panel allows for easy monitoring and management of the UPS system, ensuring that your team can quickly respond to any alerts or changes in power conditions.
  7. Scalability and Flexibility:
    • Designed for adaptability, the Easy UPS 3S can accommodate additional runtime through external battery packs, making it suitable for growing businesses.
  8. Robust Build Quality:
    • Schneider Electric’s reputation for quality ensures that the UPS is built to last, with durable components and rigorous testing standards.

Why Choose the Easy UPS 3S?

The Easy UPS 3S is more than just a backup power solution; it’s a critical component for ensuring the resilience and reliability of your business operations. Here’s why it stands out:

  • Business Continuity: The 15-minute runtime provides enough backup power to manage short outages or transition to alternate power sources seamlessly.
  • Reduced Downtime: By delivering clean and stable power, the UPS protects sensitive equipment from damage caused by power fluctuations.
  • Ease of Deployment: Its compact design and intuitive interface make installation and management straightforward, even for facilities with limited IT expertise.
  • Cost-Effectiveness: The built-in batteries eliminate the need for external battery cabinets, reducing upfront costs and simplifying maintenance.

Ideal Applications

  1. Small to Medium Data Centers:
    • Protect servers, storage systems, and networking equipment from power interruptions.
  2. Industrial Facilities:
    • Safeguard production lines and automation systems from downtime due to power issues.
  3. Commercial Buildings:
    • Maintain continuity for HVAC systems, elevators, and other critical infrastructure.
  4. Retail and Banking:
    • Ensure uninterrupted operation of point-of-sale systems, ATMs, and other essential equipment.

Installation and Maintenance

The Easy UPS 3S is designed for hassle-free installation and maintenance. Schneider Electric provides comprehensive support, including configuration guidance, user manuals, and customer service. Regular maintenance, such as periodic battery checks and firmware updates, ensures optimal performance and longevity.

Conclusion

The Easy UPS 3S 20 kVA 400 V 3:3 UPS with internal batteries is an excellent investment for businesses looking to protect their critical systems from power disturbances. Its robust features, including 15 minutes of runtime, double-conversion online technology, and scalable design, make it a reliable and versatile solution for various industries.

Don’t leave your business vulnerable to power disruptions. Choose the Easy UPS 3S to ensure uninterrupted operations and protect your valuable equipment. With Schneider Electric’s commitment to quality and innovation, you can trust this UPS to deliver the performance and reliability your business demands.

CONTACT US @ TIACO TECHNOLOGIES.

Everything You Need to Know About the Easy UPS 3S 20 kVA 400 V 3:3 UPS (E3SUPS20KHB1)

In today’s business landscape, ensuring continuous power for critical systems is non-negotiable. Power interruptions can lead to significant downtime, data loss, and operational inefficiencies. This is where an uninterruptible power supply (UPS) comes in. Among the many options available, the Easy UPS 3S 20 kVA 400 V 3:3 UPS with internal batteries and a 15-minute runtime (model E3SUPS20KHB1) stands out for its reliability and advanced features. Let’s dive into what makes this UPS an excellent choice for businesses.


Key Features of the Easy UPS 3S 20 kVA

1. Robust Capacity: The Easy UPS 3S offers a 20 kVA power capacity, making it suitable for medium-sized businesses and critical applications, such as data centers, industrial equipment, and IT systems. It ensures stable and consistent power delivery to safeguard your essential operations.

2. 3-Phase Input and Output: With its 3:3 (3-phase input, 3-phase output) configuration, this UPS provides balanced power distribution, minimizing power quality issues and maximizing efficiency. This is especially crucial for environments with sensitive equipment.

3. Internal Batteries for Convenience: The E3SUPS20KHB1 model comes with built-in batteries, eliminating the need for external battery cabinets. This design reduces installation complexity and saves space while ensuring a runtime of up to 15 minutes at full load.

4. Compact Design: Despite its high capacity, the Easy UPS 3S is designed to fit seamlessly into compact spaces. Its user-friendly interface and small footprint make it an ideal choice for businesses with limited space.

5. High Efficiency: Operating at a high efficiency level (up to 96%), the Easy UPS 3S helps lower electricity costs and reduces your organization’s carbon footprint, making it an environmentally responsible choice.

6. Advanced Monitoring and Management: This UPS comes equipped with an intuitive LCD display and features a user-friendly management interface. Integration with EcoStruxure™, Schneider Electric’s IoT-enabled platform, allows for real-time monitoring and remote management, ensuring that potential issues are identified and addressed quickly.

7. Wide Operating Temperature Range: The Easy UPS 3S is designed to operate efficiently in a wide range of temperatures, making it ideal for diverse environments, from temperature-controlled server rooms to industrial warehouses.

8. Built-In Protection Mechanisms: The UPS includes advanced fault tolerance and overload protection features, ensuring reliable performance even in challenging power conditions. This level of resilience protects your equipment and prevents unexpected downtime.


Use Cases

The Easy UPS 3S 20 kVA is suitable for a variety of applications, including:

  • Data Centers: Protects servers, networking equipment, and storage systems from power interruptions.
  • Industrial Facilities: Ensures continuous power for production lines and machinery.
  • Healthcare: Safeguards critical medical devices and IT systems.
  • Telecommunications: Maintains uptime for communication networks and infrastructure.

Installation and Maintenance

1. Simplified Setup: The internal battery design reduces installation time and costs. With its compact size and lightweight build for its category, installation can be completed with minimal disruption.

2. Easy Maintenance: The front-access design simplifies battery replacement and routine servicing. Schneider Electric’s global support network ensures quick assistance and replacement parts when needed.

3. Expandable Options: For businesses requiring extended runtime, external battery packs can be added to the system, making it a scalable solution for growing needs.


Why Choose the Easy UPS 3S 20 kVA?

The Easy UPS 3S 20 kVA 400 V 3:3 UPS (E3SUPS20KHB1) offers an excellent balance of performance, reliability, and cost-efficiency. Whether you’re looking to protect IT infrastructure, industrial equipment, or other critical systems, this UPS is designed to meet the demands of modern businesses. Its combination of advanced features, ease of use, and robust protection makes it a top-tier choice in the 20 kVA UPS category.


Conclusion

Investing in a high-quality UPS like the Easy UPS 3S 20 kVA is a step towards ensuring operational continuity and minimizing risks associated with power outages. With its internal batteries, 15-minute runtime, and advanced management capabilities, this UPS is tailored to meet the needs of businesses striving for uninterrupted productivity.

To learn more or get a quote, reach out to us @ TIACO TECHNOLOGIES today. Protect your business with the power reliability it deserves!

An In-Depth Look at the Easy UPS 3S 20 kVA 400 V 3:3 UPS with Internal Batteries (E3SUPS20KHB1)

Power reliability is crucial for businesses, especially those operating critical IT systems, industrial operations, or data centers. Ensuring continuous power during outages or power fluctuations can be the difference between uninterrupted operations and costly downtime. The Easy UPS 3S 20 kVA 400 V 3:3 UPS with internal batteries (E3SUPS20KHB1) is designed for just such environments, offering reliable and efficient uninterruptible power supply (UPS) protection with 15 minutes of runtime on internal batteries.

Key Features and Specifications

1. 20 kVA Capacity

The Easy UPS 3S E3SUPS20KHB1 provides a power capacity of 20 kVA (kilovolt-amperes). This makes it suitable for medium to large-scale operations where higher power demands are a concern, ensuring reliable backup for a variety of applications, including critical IT infrastructure, industrial equipment, and telecommunications systems.

2. 400 V 3-Phase Input/Output

This UPS is a 400 V 3:3 (three-phase) device, meaning it accepts and delivers 3-phase power at 400 volts. Three-phase power is more efficient and stable, making it the preferred option for larger systems and businesses that require higher power density. This makes the Easy UPS 3S particularly suitable for data centers, manufacturing environments, and large commercial applications.

3. Internal Batteries with 15 Minutes of Runtime

The UPS comes with internal batteries that provide 15 minutes of runtime at full load. This allows sufficient time to switch to a backup generator or safely shut down equipment during extended outages. For many businesses, this buffer can help avoid costly downtime and prevent data loss or damage to sensitive equipment.

4. High Efficiency

The Easy UPS 3S is designed with energy efficiency in mind. Operating at up to 96% efficiency in double conversion mode, the UPS helps to reduce energy consumption, minimizing operational costs without sacrificing protection. Its efficiency in converting AC power from the grid into a stable output reduces both energy losses and heat generation, contributing to a more sustainable and cost-effective power infrastructure.

5. Compact, Space-Saving Design

The compact footprint of the Easy UPS 3S allows it to be easily integrated into environments with limited space. The UPS comes in a tower form factor, which is ideal for businesses that need powerful protection but have constrained floor space in their server rooms, network closets, or industrial areas.

6. Easy Maintenance and Installation

The UPS is designed with user-friendly maintenance features. Front-access servicing allows quick and easy maintenance without requiring significant downtime or the need to move the UPS. It also has a clear, intuitive display panel that provides at-a-glance information about UPS status, power conditions, and battery health.

7. Robust Protection Against Power Disturbances

This UPS provides double-conversion online topology, ensuring that connected equipment is always receiving clean, stable power. It corrects any anomalies like voltage spikes, sags, and brownouts, while also protecting against complete power outages. The double-conversion design ensures that the UPS can maintain stable voltage and frequency, regardless of power conditions at the input, making it ideal for environments with fluctuating or unreliable power.

Applications of the Easy UPS 3S 20 kVA

1. Data Centers

For medium to large data centers, the Easy UPS 3S provides a reliable power solution that protects against outages and power fluctuations. The three-phase 400V system is ideal for managing the power requirements of large racks of servers, storage units, and network equipment, ensuring uptime and stability for critical operations.

2. Industrial Environments

In manufacturing facilities, industrial machines and automation systems require uninterrupted power to maintain productivity and avoid costly downtime. The Easy UPS 3S’s 20 kVA capacity, coupled with 15 minutes of battery runtime, allows these systems to safely ride through outages or initiate controlled shutdowns.

3. Telecommunication and Network Infrastructure

Telecom systems and network infrastructure require continuous power to avoid disruptions in service. The Easy UPS 3S provides the required protection to keep communication networks running, even during power outages, making it an ideal choice for telecom operators and ISPs.

Benefits of the E3SUPS20KHB1 UPS

1. Business Continuity

With 15 minutes of backup runtime at full load, the Easy UPS 3S helps ensure business continuity during power outages. This window of time can be critical for transitioning to alternative power sources, saving essential data, and maintaining crucial services.

2. Cost Savings

The high efficiency of the UPS, especially at 96% efficiency in normal operation, leads to lower operational costs. Over time, this reduction in energy consumption results in significant savings, particularly for businesses that require constant power protection.

3. Scalability

As your business grows, so do your power needs. The Easy UPS 3S is designed to scale with your organization. Additional battery packs can be added to extend runtime or support larger loads, giving you flexibility and peace of mind as your infrastructure expands.

4. Comprehensive Power Protection

The double-conversion online topology ensures that your equipment is protected from a wide range of power disturbances, including spikes, sags, and frequency variations. This is crucial for sensitive equipment that could be damaged by unstable power conditions, preventing costly repairs or replacements.

5. Ease of Management

The intuitive display panel and network management options (via additional network management cards) allow for easy monitoring and control of the UPS. This provides administrators with real-time information on power conditions and battery health, making it easier to manage power and ensure uptime.

The Easy UPS 3S 20 kVA 400 V 3:3 UPS with internal batteries (E3SUPS20KHB1) is a reliable, efficient, and robust power solution designed for medium to large businesses. Its combination of high power capacity, 3-phase input/output, and 15 minutes of battery runtime ensures that critical systems are protected from power disruptions. Whether you’re operating a data center, industrial plant, or telecommunications network, the Easy UPS 3S delivers the stability and performance you need to keep your operations running smoothly.

CONTACT US @ TIACO TECHNOLOGIES

Unveiling the Easy UPS 3S 20 kVA 400 V 3:3 UPS with Internal Batteries (E3SUPS20KHB1)

In an era where businesses heavily rely on uninterrupted power for their operations, Schneider Electric’s Easy UPS 3S 20 kVA 400 V 3:3 UPS with internal batteries (E3SUPS20KHB1) stands out as a robust solution. This blog aims to shed light on the features, benefits, and applications of this powerful UPS system, demonstrating why it is an excellent choice for various industries.

Overview

The Easy UPS 3S series by Schneider Electric is designed to provide reliable and efficient power protection. The E3SUPS20KHB1 model offers a significant power capacity of 20 kVA, coupled with internal batteries that provide a runtime of up to 15 minutes at full load. This makes it an ideal solution for businesses that cannot afford any downtime due to power interruptions.

Key Features

  1. Power Capacity and Output:
    • 20 kVA/20 kW Power Capacity: With this high capacity, the UPS can handle substantial power loads, making it suitable for demanding applications in various industries.
    • 400 V 3-Phase Input and Output: The 3-phase input and output ensure balanced power distribution and higher efficiency, which is crucial for maintaining stable operations in larger setups.
  2. Runtime:
    • 15 Minutes Internal Battery Runtime: The internal batteries provide a substantial runtime, allowing ample time for safe shutdown procedures or transition to backup power sources during outages.
  3. Reliability and Protection:
    • Wide Input Voltage Range: This feature ensures that the UPS can operate reliably even in areas with unstable power supply, protecting connected equipment from power fluctuations.
    • Advanced Battery Management: The UPS includes features like automatic battery testing and temperature-compensated charging, which enhance battery life and reliability.
  4. User-Friendly Design:
    • Compact Footprint: Despite its high capacity, the UPS is designed to fit into various environments without occupying excessive space, making installation straightforward.
    • Intuitive Monitoring and Management: The LCD interface and integration capabilities with network management software allow for real-time monitoring and control, enhancing user convenience.
  5. Efficiency:
    • High Efficiency Mode: The UPS operates with high efficiency, reducing energy consumption and operational costs while maintaining optimal performance levels.

Benefits

  1. Uninterrupted Power Supply: The Easy UPS 3S ensures continuous power to critical systems, safeguarding against power outages, surges, and other electrical disturbances.
  2. Enhanced Business Continuity: With a 15-minute runtime at full load, businesses can effectively manage power interruptions, minimizing downtime and preventing data loss.
  3. Cost-Effective Protection: High efficiency and advanced battery management features make the Easy UPS 3S a cost-effective solution, reducing energy usage and maintenance costs.
  4. Scalability: The modular design of the UPS allows for easy scalability, accommodating growing power needs as your business expands.

Applications

The Easy UPS 3S 20 kVA 400 V 3:3 UPS is versatile and can be deployed in various scenarios, including:

  1. Data Centers and IT Infrastructure: Protects servers, storage systems, and networking equipment from power interruptions, ensuring continuous data availability.
  2. Industrial Environments: Maintains the operation of manufacturing processes, control systems, and other critical industrial equipment.
  3. Healthcare Facilities: Ensures the uninterrupted operation of medical devices and systems, supporting patient care and safety.
  4. Commercial Buildings: Provides reliable power for office equipment, communication systems, and other essential business operations.

The Easy UPS 3S 20 kVA 400 V 3:3 UPS with internal batteries (E3SUPS20KHB1) is a powerful, reliable, and efficient solution for businesses seeking to protect their critical systems from power disturbances. With its substantial power capacity, extended runtime, and user-friendly features, this UPS is a valuable investment for ensuring business continuity and safeguarding valuable data and equipment.

For more detailed information on the Easy UPS 3S and to explore other models and configurations, CONTACT US @ TIACO TECHNOLOGIES

Ensuring Seamless Power Protection: Introducing Easy UPS 3S 20 kVA 400 V 3:3 UPS

In today’s fast-paced business landscape, maintaining uninterrupted operations is paramount. Power outages and fluctuations can pose significant threats to businesses, leading to data loss, equipment damage, and costly downtime. To address these challenges, Schneider Electric presents the Easy UPS 3S 20 kVA 400 V 3:3 UPS with internal batteries, offering an impressive 15-minute runtime (E3SUPS20KHB1). Let’s delve into the features and benefits of this robust power protection solution.

Exploring Easy UPS 3S 20 kVA 400 V 3:3 UPS

1. Enhanced Power Capacity:

With a power rating of 20 kVA, the Easy UPS 3S model is tailored to meet the demands of medium to large-scale enterprises, data centers, and critical infrastructure facilities. Its enhanced power capacity ensures ample reserves to support mission-critical equipment, servers, and networking devices during power disturbances.

2. Voltage Compatibility:

Operating at 400V, this UPS system is designed to seamlessly integrate into modern electrical infrastructures. Compatible with 3-phase power distribution systems, it provides a stable power supply to sensitive equipment, ensuring consistent performance and reliability.

3. Integrated Battery Design:

The Easy UPS 3S 20 kVA features an internal battery configuration, eliminating the need for external battery cabinets. This integrated design not only saves valuable floor space but also streamlines installation and maintenance processes, reducing overall complexity and cost.

4. Extended Runtime:

One of the standout features of this UPS solution is its impressive 15-minute runtime at full load. This extended runtime ensures uninterrupted operation during prolonged power outages, allowing businesses to maintain productivity and mitigate the impact of downtime effectively.

5. High Efficiency and Reliability:

Schneider Electric prioritizes efficiency and reliability in all its power protection solutions, and the Easy UPS 3S 20 kVA is no exception. Leveraging advanced double conversion topology and high-efficiency components, it delivers clean, reliable power to connected loads while minimizing energy wastage and operating costs.

6. Scalability and Flexibility:

As businesses evolve, scalability and flexibility become essential considerations. The Easy UPS 3S 20 kVA is designed to grow with your business, offering scalability options to accommodate future expansion. Its flexible configuration ensures compatibility with diverse installation environments, providing businesses with the agility to adapt to changing needs.

In today’s digitally-driven economy, uninterrupted power supply is non-negotiable for businesses striving to maintain a competitive edge. The Easy UPS 3S 20 kVA 400 V 3:3 UPS with internal batteries emerges as a reliable solution, offering enhanced power capacity, extended runtime, and seamless integration into modern electrical systems. With its robust features, efficiency, and scalability, it empowers businesses to safeguard their critical infrastructure against power disruptions and ensure uninterrupted operations. Whether it’s a data center, manufacturing facility, or commercial establishment, the Easy UPS 3S 20 kVA is poised to deliver resilient power protection and peace of mind, enabling businesses to focus on driving growth and innovation.

CONTACT US @ TIACO TECHNOLOGIES

Power Protection Redefined: Easy UPS 3S 20 kVA 400 V 3:3 UPS – 15 Minutes Runtime (E3SUPS20KHB1)

In today’s fast-paced business landscape, uninterrupted power supply is crucial for organizations to maintain productivity and protect critical systems. The Easy UPS 3S 20 kVA 400 V 3:3 UPS with internal batteries – 15 minutes runtime (E3SUPS20KHB1) offers a powerful and reliable solution to ensure uninterrupted power delivery. In this blog, we will explore the key features and benefits of the E3SUPS20KHB1 UPS, highlighting why it is the perfect choice for businesses seeking a robust and dependable power backup system.

  1. Unmatched Power Capacity:
    The E3SUPS20KHB1 UPS is designed to handle the power demands of medium to large-sized businesses. With a power capacity of 20 kVA, it provides ample power to support critical equipment such as servers, data centers, and industrial machinery. This high capacity ensures a stable and reliable power supply, even during power outages or fluctuations, safeguarding your operations and preventing costly downtime.
  2. Internal Battery Backup:
    Equipped with internal batteries, the E3SUPS20KHB1 UPS offers a built-in power backup solution. This eliminates the need for external battery packs, simplifying installation and saving valuable space. The internal batteries provide a runtime of up to 15 minutes, allowing your systems to continue running smoothly during power outages or until a secondary power source can be activated. This ensures uninterrupted operations, prevents data loss, and allows for a seamless transition.
  3. Scalable and Flexible Design:
    The E3SUPS20KHB1 UPS is designed with scalability and flexibility in mind. It can be easily configured to meet the specific power requirements of your business. The UPS supports a 3:3 input/output configuration, ensuring a balanced and efficient power distribution. Its modular design enables the addition of extra battery modules or parallel units, providing scalability as your power needs grow. This flexibility ensures that the E3SUPS20KHB1 can adapt to your evolving business demands, making it a future-proof investment.
  4. Advanced Monitoring and Management:
    The E3SUPS20KHB1 UPS offers advanced monitoring and management capabilities, giving you complete control and visibility over your power infrastructure. With an intuitive LCD interface and user-friendly management software, you can easily monitor key parameters such as input/output voltage, battery status, load levels, and more. The UPS also supports remote management, allowing you to monitor and control your power backup system from anywhere, ensuring proactive maintenance and swift troubleshooting.
  5. Enhanced Safety and Reliability:
    Safety and reliability are paramount when it comes to power backup systems. The E3SUPS20KHB1 UPS incorporates advanced safety features to protect your equipment and personnel. It provides surge protection, voltage regulation, and intelligent battery management to safeguard against power fluctuations and ensure stable power delivery. Additionally, the UPS undergoes rigorous testing and complies with industry standards, guaranteeing its reliability and performance even in demanding environments.


The Easy UPS 3S 20 kVA 400 V 3:3 UPS with internal batteries – 15 minutes runtime (E3SUPS20KHB1) is a powerful and dependable power backup solution for medium to large-sized businesses. With its unmatched power capacity, internal battery backup, scalable design, advanced monitoring capabilities, and enhanced safety features, the E3SUPS20KHB1 UPS ensures uninterrupted power supply and peace of mind during power outages or fluctuations. Invest in the E3SUPS20KHB1 UPS to protect your critical operations, minimize downtime, and unleash the true potential of your organization.

CONTACT US @ TIACO TECHNOLOGIES