APC Smart-UPS On-Line 20kVA/20kW Rack/Tower 230V/380V (SRTG20KXLI)

In mission-critical environments like data centers, server rooms, and industrial facilities, even brief power disruptions can lead to substantial financial losses and operational chaos. The APC Smart-UPS On-Line 20kVA/20kW Rack/Tower 230V/380V (SRTG20KXLI) from APC by Schneider Electric addresses these challenges head-on with its double-conversion online topology, delivering unwavering power protection for high-density IT loads. Designed for international 230V single-phase and 380-415V three-phase setups, this versatile rack/tower convertible UPS combines scalability, efficiency, and remote management capabilities. In this blog, we delve into its features, specifications, benefits, and real-world applications to help IT leaders evaluate this powerhouse for their infrastructure.

What is the APC Smart-UPS SRTG20KXLI?

The Smart-UPS On-Line series represents APC’s premium offering for enterprise power continuity, evolving from the trusted Smart-UPS RT line with enhanced density and intelligence. The SRTG20KXLI provides a robust 20kVA (20kW) capacity, supporting demanding applications such as virtualization clusters, storage arrays, and edge computing nodes. Its online double-conversion design continuously regenerates clean AC power, isolating sensitive equipment from all power anomalies—including harmonics, frequency variations, and complete blackouts.

This model shines in its flexibility: configurable for both single-phase 230V and three-phase 380-415V inputs/outputs, it includes a pre-installed network management card for seamless integration with Schneider Electric’s EcoStruxure IT platform. With hot-swappable batteries and an intuitive graphical LCD, it minimizes downtime while maximizing usability. Ideal for growing businesses in regions with variable grid stability, the SRTG20KXLI ensures zero transfer time to battery, safeguarding uptime in ways offline or line-interactive UPS cannot.

Key Features and Specifications

Engineered for reliability and efficiency, the SRTG20KXLI packs advanced capabilities into a compact 7U form factor. Below is a comprehensive table of its core specifications, compiled from official APC datasheets and product documentation.

Core Specifications

SpecificationDetails
Capacity20kVA / 20kW (Unity Power Factor)
TopologyDouble-Conversion Online
Input Voltage230V (1-phase) or 380/400/415V (3-phase configurable); 50/60 Hz
Input ConnectionsHardwire 5-wire (3P + N + E); Hardwire 3-wire (1P + N + E)
Output Voltage230V (1-phase) or 380/400/415V (3-phase); Pure Sine Wave
Output ConnectionsHardwire 5-wire (3P + N + E) x1; Hardwire 3-wire (1P + N + E) x1; IEC C19 x1
Form Factor7U Rack/Tower Convertible (rail kit optional)
Dimensions (H x W x D)307 mm x 432 mm x 721 mm (12.1″ x 17″ x 28.4″)
Weight142 kg (313 lbs) – without batteries
EfficiencyUp to 94.5% in Online Mode; 98% in ECO Mode
Overload Capacity60 seconds at 125%; 30 seconds at 150%
Battery TypeSealed Lead-Acid; Hot-Swappable Modules (SRT192BP6); Intelligent Charging
Battery RuntimeFull load: ~2.5 minutes; 70% load: >5 minutes; Half load: ~7 minutes (extendable with EBMs)
Charging Time3 hours to 90% after full discharge
ConnectivityPre-installed Network Management Card (AP9641); USB; RS-232; SmartSlot; Dry Contacts
DisplayMultilingual Graphical LCD with Multi-Color Backlight
CertificationsCE, IEC 62040-1/2, EN 50091-1/2, EAC, RoHS, REACH
Operating Temperature0–40°C (32–104°F)
Warranty2 years

These specs underscore the SRTG20KXLI’s suitability for high-power, three-phase environments, with scalability via external battery modules (EBMs) for extended runtimes up to hours.

Standout Features

  • Double-Conversion Purity: Provides isolated, regenerated power with <3ms transfer time, eliminating all input disturbances for zero-impact protection.
  • Configurable Voltage: Easily switches between 1-phase 230V and 3-phase 380-415V setups, with automatic phase detection for global deployments.
  • Integrated Network Management: Comes with an AP9641 card for remote monitoring, SNMP alerts, and integration with PowerChute software—enabling automated shutdowns and EcoStruxure oversight.
  • ECO and eConversion Modes: Boosts efficiency to 98% during stable power, reducing energy costs while maintaining online-level protection on demand.
  • Hot-Swappable Batteries: Allows replacement without downtime; intelligent management optimizes charging to extend battery life by up to 50%.
  • Graphical LCD Interface: Displays real-time metrics like load, runtime, and events in multiple languages, with configurable alerts via email/SMS.
  • Automatic Bypass: Seamless switch to utility power during overloads or maintenance, ensuring continuous operation.

Setup involves hardwiring to your electrical panel, mounting in a rack or tower configuration, and configuring via the LCD or web interface. APC’s documentation includes detailed guides for three-phase balancing and EBM integration.

Benefits of the APC Smart-UPS SRTG20KXLI

This UPS transcends basic backup, offering strategic advantages for enterprise IT:

  • Uncompromised Uptime: Online topology and zero-transfer time protect against all power events, ideal for 24/7 operations with reported MTBF exceeding 300,000 hours.
  • Energy and Cost Savings: High efficiency (94.5% online, 98% ECO) and precision battery charging lower TCO, with users seeing up to 20% reductions in electricity bills.
  • Scalable Runtime: Base runtime supports graceful shutdowns; add EBMs for extended autonomy, perfect for bridging outages in unstable grids.
  • Simplified Management: Remote capabilities reduce on-site interventions by 70%, per APC case studies, with proactive alerts preventing issues.
  • Future-Proof Design: RoHS-compliant materials and modular architecture support upgrades, aligning with sustainable data center initiatives.

Who Should Use the APC Smart-UPS SRTG20KXLI?

The SRTG20KXLI is tailored for:

  • Mid-Sized Data Centers: Powering 15-20kW racks with servers, storage, and networking in branch or colocation facilities.
  • Industrial and Telecom Sites: Three-phase compatibility for manufacturing or edge telecom with variable loads.
  • Enterprise IT Managers: Those needing high-density, convertible form factors for hybrid rack/tower environments.
  • Regions with Grid Challenges: 230V/380V support for Europe, Asia, Africa, and the Middle East facing frequent fluctuations.

It’s overkill for small offices (opt for SMT series) but essential where downtime costs exceed $10K/hour.

User Reviews and Real-World Performance

Enterprise users rave about the SRTG20KXLI’s robustness, with an average 4.7/5 rating across platforms like UPSBuyer.com and reseller sites. One reviewer on Empire.co.tz called it “a beast for our server room—seamless three-phase switchover and ECO mode slashed our power draw.” Another on Justdial praised its quick deployment: “Replaced our aging UPS overnight; hot-swap batteries are a game-changer.” In field tests, it handles full loads without derating in 40°C environments, and firmware updates (via FAQ guidance) keep it current. Minor notes include its weight requiring two-person lifts and the need for professional hardwiring. Overall, it’s lauded for reliability in high-stakes scenarios, with zero reported failures in recent deployments.

Conclusion: Powering the Future of Critical IT

The APC Smart-UPS On-Line 20kVA/20kW Rack/Tower 230V/380V (SRTG20KXLI) sets a new benchmark for enterprise UPS with its blend of density, intelligence, and versatility. From pure sine wave isolation to remote ecosystem integration, it empowers IT teams to focus on innovation rather than outages. For organizations demanding unyielding power protection, this model delivers ROI through efficiency and peace of mind. CONTACT US @ TIACO TECHNOOGIES for pricing and availability. Deploy the SRTG20KXLI and transform power risks into reliable performance!