May 23, 2025

APC Smart-UPS VT 20kVA 400V: Power Protection for Critical Systems

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In an era where uninterrupted power is critical for business operations, the APC Smart-UPS VT 20kVA 400V (SUVTP20KH4B4S), manufactured by Schneider Electric, stands out as a reliable, high-efficiency UPS solution. Tailored for three-phase power environments, this UPS delivers robust protection for small to medium-sized data centers, retail stores, and regional offices. In this blog, we’ll dive into the features, specifications, and benefits of the APC Smart-UPS VT 20kVA 400V, highlighting why it’s a trusted choice for critical power needs.

Overview

The APC Smart-UPS VT 20kVA 400V is a double-conversion online UPS with a power capacity of 16 kW / 20 kVA, designed to provide clean, consistent power to protect sensitive equipment from outages, surges, and voltage fluctuations. The SUVTP20KH4B4S model includes four battery modules, a 5×8 start-up service, an internal maintenance bypass, and parallel capability, offering flexibility and high availability. While this model has been discontinued as of July 5, 2021, after-sales support is available until December 31, 2030, with Schneider Electric recommending the Galaxy VS range as a modern replacement.

Key Features

The APC Smart-UPS VT 20kVA 400V is engineered for reliability, efficiency, and ease of use, with features that cater to demanding power environments:

1. High Efficiency and Scalability

  • Efficiency at Full Load: Up to 96% efficiency, reducing energy costs and minimizing heat output.
  • Scalable Runtime: Supports additional battery modules to extend backup time, accommodating growing power demands.
  • Parallel-Capacity and Redundant Capability: Allows multiple UPS units to operate together, increasing total power capacity or providing redundancy for critical systems.

2. Enhanced Availability

  • Dual Mains Input: Connects to two power sources, ensuring uninterrupted operation if one source fails.
  • Hot-Swappable Batteries: Enables battery replacement without powering down connected equipment, reducing downtime.
  • Automatic Internal Bypass: Supplies utility power during UPS faults or overloads, maintaining continuous operation.
  • Generator Compatibility: Integrates seamlessly with generators for extended outages, delivering clean power.

3. Serviceability

  • Modular Design: Features field-replaceable, self-diagnosing modules, lowering maintenance time and costs.
  • Tool-Free Battery Replacement: Simplifies battery swaps, reducing the Mean Time to Repair (MTTR).
  • Automatic Self-Test: Periodically checks battery health to ensure reliability and early fault detection.
  • Shippable with Modules Installed: Simplifies pre-installation staging and testing for faster deployment.

4. Advanced Manageability

  • Network Manageable: Includes a pre-installed network management card (AP9631) for remote monitoring and control.
  • InfraStruXure Manager Compatible: Enables centralized management of multiple UPS units.
  • LCD Display and LED Indicators: Offers intuitive status updates and control options for easy operation.
  • SmartSlot: Supports additional management cards for customized functionality.

5. Environmental Responsibility

  • Green Premium™ Label: Reflects Schneider Electric’s commitment to sustainability, ensuring compliance with environmental regulations.
  • Take-Back Program: Eligible for recycling through Schneider Electric’s circularity initiatives, supporting eco-friendly practices.

Technical Specifications

Below are the key technical specifications of the APC Smart-UPS VT 20kVA 400V (SUVTP20KH4B4S):

  • Output Power Capacity: 16.0 kW / 20.0 kVA
  • Max Configurable Power: 16.0 kW / 20.0 kVA
  • Nominal Output Voltage: 400V 3-phase (configurable for 380V or 415V)
  • Output Voltage Distortion: Less than 5% at full load
  • Output Frequency: 47–53 Hz (sync to mains); 50 Hz ±0.1% (not synced)
  • Topology: Double Conversion Online
  • Waveform Type: Sine wave
  • Nominal Input Voltage: 400V 3-phase
  • Input Frequency: 40–70 Hz (auto-sensing)
  • Input Connections: Hard wire 5-wire (3PH + N + G)
  • Input Voltage Range: 304–477V
  • Battery Type: Valve Regulated Lead-Acid (VRLA)
  • Included Battery Modules: 4
  • Typical Recharge Time: 5 hours
  • Nominal Battery Voltage: ±192V (split battery referenced to neutral)
  • Expected Battery Life: 3–5 years
  • Interface Ports: DB-9 RS-232, Smart-Slot
  • Control Panel: Multi-function LCD status and control console
  • Audible Alarm: Prioritized by severity
  • Emergency Power Off (EPO): Yes
  • Shipping Weight: Approximately 540 kg (1188 lbs)
  • Shipping Dimensions: 164.3 x 65.0 x 106.2 cm (64.7 x 25.6 x 41.8 in)
  • Certifications: EU CoC for UPS, ensuring high efficiency

Benefits for Businesses

The APC Smart-UPS VT 20kVA 400V offers significant advantages for organizations with critical power requirements:

  1. Uninterrupted Power: Its double-conversion online topology ensures clean, stable power, protecting sensitive equipment from disruptions.
  2. Cost Savings: High efficiency (96%) and input power factor correction (0.98) reduce energy costs and allow smaller generators and cabling, lowering installation expenses.
  3. Scalability: Parallel operation and scalable runtime support growing power needs or redundant setups.
  4. Low Maintenance: Modular design, hot-swappable batteries, and tool-free replacement minimize downtime and service costs.
  5. Remote Monitoring: Network manageability and InfraStruXure compatibility enable proactive oversight and quick issue resolution.
  6. Sustainability: The Green Premium label and take-back program align with environmentally conscious practices, supporting Schneider Electric’s Net Zero goals by 2050.

Applications

The APC Smart-UPS VT 20kVA 400V is well-suited for:

  • Small to Medium Data Centers: Protects servers, storage, and networking equipment.
  • Retail Environments: Ensures continuous operation of point-of-sale and inventory systems.
  • Regional Offices: Supports critical infrastructure in distributed office settings.
  • Industrial Facilities: Safeguards sensitive equipment in environments with high power demands.

Considerations

Potential users should keep the following in mind:

  • Discontinuation: The model was discontinued on July 5, 2021, with support available until December 31, 2030. Schneider Electric recommends the Galaxy VS range as a replacement.
  • Physical Size: Weighing approximately 540 kg, it requires careful planning for installation and space allocation.
  • Regular Maintenance: Routine checks are essential to maintain long-term reliability, despite the UPS’s service-friendly design.

Conclusion

The APC Smart-UPS VT 20kVA 400V (SUVTP20KH4B4S) is a dependable, high-efficiency UPS solution for businesses requiring robust power protection. Its scalability, advanced manageability, and eco-friendly design make it a strong choice for critical applications. Although discontinued, its support continues until 2030, and the Galaxy VS range offers modern alternatives. For organizations needing reliable power for small to medium-sized setups, the Smart-UPS VT 20kVA remains a benchmark for performance and reliability.

For more details on similar products or replacement options, CONTACT US @ TIACO TECHNOLOGIES.