For data centers, server rooms, and industrial applications, reliable power protection is non-negotiable. The APC Smart-UPS RT 20kVA RM 230V, model SURT20KRMXLI, is a high-density, double-conversion online uninterruptible power supply (UPS) designed to deliver robust power backup and surge protection for mission-critical equipment. Manufactured by Schneider Electric, this rack-mountable UPS offers advanced features, scalable runtime, and network-grade performance, making it ideal for supporting power-hungry servers, networking gear, and industrial systems. In this blog, we explore the SURT20KRMXLI’s features, benefits, specifications, installation considerations, and real-world applications, providing a detailed overview for IT professionals and businesses.
What is the APC Smart-UPS RT 20kVA RM 230V (SURT20KRMXLI)?
The APC Smart-UPS RT 20kVA RM 230V (SURT20KRMXLI) is a 12U rack-mount UPS with a 20kVA/16kW capacity, designed for 230V single-phase or 400V three-phase input environments. Part of APC’s Smart-UPS On-Line family, it uses double-conversion topology to provide pure sine wave output with zero transfer time, ensuring uninterrupted power for sensitive electronics during outages, surges, or voltage fluctuations. With its integrated network management card, LCD touchscreen, and support for external battery packs, the SURT20KRMXLI is engineered for high-availability applications, including data centers, medical labs, and industrial settings. Its rack/tower convertible design and comprehensive management features make it a versatile solution for demanding power requirements.
Key Features of the SURT20KRMXLI
The SURT20KRMXLI is equipped with advanced features to ensure reliability, manageability, and efficiency. Here are its standout capabilities:
- Double-Conversion Online Topology: Delivers pure sine wave output with zero transfer time, ideal for active power factor corrected (PFC) devices like blade servers and networking equipment.
- 20kVA/16kW Capacity: Supports high-power loads with a maximum configurable power of 16kW, suitable for densely packed server racks.
- Flexible Input Options: Supports single-phase (230V) or three-phase (400V) input wiring, with hardwire connections (3-wire: 1P+N+E or 5-wire: 3P+N+E) for versatility.
- Output Connections: Includes 8x IEC 320 C19 outlets, 2x IEC jumpers, and hardwire options (3-wire: H+N+G, 5-wire: 3P+N+G), providing multiple connectivity options.
- Integrated Network Management Card: Enables remote monitoring and control via web, SNMP, or serial interfaces, with PowerChute Network Shutdown software for graceful system shutdowns.
- Color LCD Touchscreen: Displays system parameters, alarms, and diagnostics, offering intuitive local management.
- Scalable Runtime: Supports external battery packs (e.g., SURT192RMXLBP2) for extended runtime, with up to 4 minutes at full load (16kW) and longer at partial loads (e.g., 15 minutes at 8kW).
- Hot-Swappable Batteries: Allows battery replacement without powering down, minimizing downtime. Uses RBC44 battery modules (4 included).
- Intelligent Battery Management: Features temperature-compensated charging, automatic self-tests, and early fault detection to maximize battery life (3–5 years).
- Automatic and Manual Bypass: Includes internal bypass for maintenance and optional external bypass for seamless power transfer during servicing.
- High Efficiency: Achieves 94% efficiency at full and half load, reducing energy costs, with 93% efficiency in battery operation.
- Rack/Tower Convertible: Protects investment when transitioning from tower to rack-mount setups, with included rack-mount rails.
These features make the SURT20KRMXLI a powerhouse for high-density power protection.
Benefits of the SURT20KRMXLI
The APC Smart-UPS RT 20kVA offers significant advantages for organizations requiring robust power protection:
- Uninterrupted Power: Double-conversion topology ensures clean, continuous power, protecting sensitive equipment from outages and voltage irregularities.
- Scalability: External battery packs allow runtime extension, meeting aggressive demands for hours-long backup in critical systems.
- Remote Management: The integrated network card and PowerChute software enable centralized monitoring and automated shutdowns, reducing IT staff workload.
- High Reliability: Hot-swappable batteries, automatic self-tests, and bypass options minimize downtime and maintenance needs.
- Cost Efficiency: High efficiency (94%) lowers operating costs, and input power factor correction reduces installation costs by allowing smaller generators and cabling.
- Versatility: Flexible input/output wiring and rack/tower design suit diverse environments, from data centers to industrial facilities.
These benefits make the SURT20KRMXLI a trusted choice for ensuring business continuity.
Technical Specifications
Here are the detailed specifications of the APC Smart-UPS RT 20kVA RM 230V (SURT20KRMXLI):
- Part Number: SURT20KRMXLI
- Output Power Capacity: 16kW / 20kVA
- Topology: Double-Conversion Online
- Waveform Type: Pure Sine Wave
- Output Connections: 8x IEC 320 C19, 2x IEC Jumpers, Hardwire 3-wire (H+N+G), Hardwire 5-wire (3P+N+G)
- Nominal Output Voltage: 230V (configurable to 220V or 240V)
- Output Frequency: 50/60 Hz ± 3 Hz (user-adjustable ± 0.1 Hz, sync to mains)
- Efficiency at Full Load: 94%
- Input Voltage: 230V (single-phase), 400V (three-phase)
- Input Connections: Hardwire 3-wire (1P+N+E), Hardwire 5-wire (3P+N+E)
- Input Voltage Range: 160–280V (main operations)
- Input Frequency: 40–70 Hz (auto-sensing)
- Maximum Input Current: 115A
- Battery Type: Maintenance-free sealed lead-acid (RBC44, 4 modules)
- Nominal Battery Voltage: ±192V (split battery, referenced to neutral)
- Typical Recharge Time: 2.5 hours
- Runtime: ~4 minutes at 16kW, ~8 minutes at 12kW, ~15 minutes at 8kW
- Dimensions: 99.0 x 61.0 x 100.3 cm (H x W x D, including packaging)
- Weight: 314.27 kg (691.4 lbs)
- Rack Height: 12U
- Communication Interfaces: DB-9 RS-232, RJ-45 10/100 Base-T, SmartSlot
- Included Accessories: CD with PowerChute software, rack-mount rails, RS-232 cable, user manual, Web/SNMP management card
- Certifications: CE, VDE, Green Premium
- Warranty: 2 years (manufacturer’s warranty)
- Manufacturer: Schneider Electric (APC)
These specifications underscore the SURT20KRMXLI’s capacity for high-power applications.
Installation Considerations
Installing the SURT20KRMXLI requires careful planning due to its size, weight, and electrical requirements. Key considerations include:
- Professional Installation: The UPS requires hardwiring (3-wire or 5-wire) and must be connected by a licensed electrician to ensure safety and compliance.
- Rack Space and Weight: Occupying 12U and weighing 314.27 kg, it demands a sturdy 19-inch rack with sufficient load capacity. Ensure proper ventilation, as heat dissipation is significant.
- Input Power Configuration: Verify whether single-phase (230V) or three-phase (400V) input is available. The removable wiring tray simplifies connections but requires precise setup.
- Grounding: Proper earthing is critical for surge protection and safety. Check the grounding system before installation.
- Network Setup: Configure the network management card with DHCP or a static IP for remote monitoring. Users note easy integration but recommend securing the connection with strong passwords.
- Battery Connection: Connect the four RBC44 battery modules before powering on, as the UPS ships with batteries disconnected to prevent discharge.
- Space and Handling: Its 100.3 cm depth and 691.4 lbs weight require multiple personnel and proper lifting equipment. Users describe it as “a beast” to maneuver.
Customer feedback highlights the need for professional installation due to complexity, with one user noting seamless operation after setup but emphasizing the importance of electrician expertise. The LCD touchscreen simplifies local configuration, but some find the interface less intuitive than expected.
Real-World Applications
The SURT20KRMXLI is designed for high-demand environments, including:
- Data Centers: Powers blade servers and storage systems, with scalable runtime for extended outages. Users report reliable performance in high-density racks.
- Medical Labs: Ensures uninterrupted power for sensitive diagnostic equipment, with zero transfer time critical for patient safety.
- Industrial Applications: Supports automation systems and light industrial loads, with robust surge protection for harsh environments.
- Enterprise IT: Protects network infrastructure in large server rooms, with remote management reducing on-site maintenance.
- Telecom Facilities: Powers base stations and communication equipment, where downtime is costly.
Conclusion
The APC Smart-UPS RT 20kVA RM 230V (SURT20KRMXLI) is a premium UPS engineered for high-density, mission-critical applications. Its double-conversion topology, pure sine wave output, and scalable runtime make it ideal for data centers, medical labs, and industrial environments. While its high cost, substantial weight, and professional installation requirements may deter smaller setups, its reliability, efficiency, and advanced management features—such as the integrated network card and LCD touchscreen—deliver unmatched performance for enterprise-grade power protection.
For organizations needing robust, scalable power solutions, the SURT20KRMXLI is a worthwhile investment. To explore purchasing options or learn more, CONTACT US @ TIACO TECHNOLOGIES.