In the high-stakes realm of large-scale IT infrastructure, where data centers and server farms demand ironclad power continuity, double-conversion online UPS systems are the gold standard. The APC Smart-UPS RT 15kVA Rackmount 230V (SURT15KRMXLI) from Schneider Electric’s RT series delivers precisely that: 15kVA/12kW of unflinching protection in a 12U rackmount chassis. This true online UPS isolates loads from all mains disturbances with zero transfer time, tight regulation, and sine wave output, while supporting both single-phase 230V and three-phase 400V inputs for versatile deployments. Featuring a multi-function LCD, embedded network management via SmartSlot, and scalability with up to four external battery packs, the SURT15KRMXLI is engineered for 24/7 mission-critical operations. In this blog, we’ll break down its features, specs, strengths and limitations, ideal applications, and pro tips for deployment.
Key Features That Fortify Reliability
The SURT15KRMXLI blends APC’s robust engineering with advanced management for seamless enterprise use:
- Double-Conversion Online Topology: Continuously regenerates clean AC power, providing 0ms transfer, ±1% voltage regulation, and full isolation from surges, sags, and noise—essential for sensitive servers and PFC loads.
- Built-in Bypass and Overload Handling: Internal static, automatic, and manual bypass options ensure maintenance without downtime; handles 125% overload for 60 seconds and 150% for 30 seconds.
- Intuitive LCD Control Panel: Multilingual display with mimic diagrams, event logs, and real-time metrics for quick diagnostics; configurable audible alarms add layers of alerts.
- Scalable Battery System: Includes four maintenance-free sealed lead-acid modules (RBC44 cartridges); extend runtime with up to four SURT192RMXLBP2 packs, plus 2.5-hour recharge to 90% capacity.
- Comprehensive Connectivity: Pre-installed AP9631 SmartSlot card for SNMP/PowerChute integration, plus DB-9 RS-232 and RJ-45 10/100 Base-T ports; EPO interface for safety.
These elements make it a resilient choice for environments where power perfection is paramount.
Technical Specifications at a Glance
Here’s a tabulated summary of the SURT15KRMXLI’s core specs:
| Category | Details |
|---|---|
| Power Rating | 15kVA / 12kW |
| Topology | Double Conversion Online |
| Input Voltage | 230V (1PH; Range: 160–280V); 400V (3PH; 340–477V) |
| Output Voltage | 230V (Configurable: 220/230/240V; <5% distortion) |
| Waveform | Sine wave (<5% THD) |
| Outlets | 8x IEC 320 C19 + 2x IEC Jumpers + Hardwire (3-wire/5-wire) |
| Transfer Time | 0ms |
| Runtime Estimates | ~3–5 min at full load (12kW); ~10–15 min at half load (6kW); extendable with battery packs |
| Battery | 4x Sealed Lead-Acid (RBC44); ±192V; 2.5hr recharge to 90% |
| Surge Protection | 0.3% IEEE let-through; meets UL 1449 |
| Efficiency | Up to 95% at full load |
| Frequency | 50/60 Hz auto-sensing (±3 Hz) |
| Dimensions (WxDxH) | 43.2 x 77.5 x 53.3 cm (12U rack) |
| Weight | 145 kg |
| Operating Temp/Humidity | 0–40°C / 0–95% non-condensing |
| Noise Level | 50 dBA at 1m |
| Warranty | 2 years repair/replace |
This configuration supports global standards with RoHS compliance and IP20 protection.
Pros and Cons: High-Capacity Power with Enterprise Nuances
The SURT15KRMXLI shines in demanding setups but demands thoughtful integration.
Pros:
- Unmatched Isolation: Double-conversion ensures zero disruptions, with sine wave output safeguarding high-end IT gear.
- Flexible Scalability: Hardwire inputs/outputs and battery extensions adapt to growing loads without redesign.
- Smart Management: LCD and network card streamline monitoring, cutting response times in large facilities.
- Efficient and Quiet: 95% efficiency reduces cooling needs, while 50 dBA operation suits server rooms.
Cons:
- Substantial Size/Weight: 12U and 145kg require deep racks and professional installation.
- Base Runtime Limited: Focuses on bridging to generators—external packs essential for prolonged outages.
- Premium Investment: Higher cost reflects its enterprise focus, not ideal for smaller budgets.
- Complex Setup: Three-phase options add wiring complexity for non-experts.
Reviews commend its durability for data center use.
Who Should Rack the SURT15KRMXLI?
This UPS targets:
- Data Center Managers: Protecting dense server clusters and storage in colocation facilities.
- Enterprise IT Hubs: Safeguarding virtualization and cloud infrastructure.
- Industrial Sites: Powering control systems in manufacturing or telecom.
- High-Availability Pros: Environments needing online topology for 99.999% uptime.
For lighter loads, APC’s SMT series may better suit.
Pro Tips for Optimal Deployment
Elevate your SURT15KRMXLI:
- Runtime Scaling: Use APC’s online calculator; add SURT192RMXLBP2 packs based on load profiles.
- Efficiency Tuning: Enable eco-mode for stable grids to hit 95%+ efficiency—monitor via PowerChute.
- Maintenance Schedule: Quarterly self-tests; replace RBC44 batteries every 3–5 years with alerts on.
- Integration Focus: Configure SNMP for EcoStruxure IT dashboards; ensure proper grounding for hardwire.
- Thermal Vigilance: Maintain 0–40°C airflow; pair with precision AC for high-density racks.
Firmware updates via Schneider keep it current.
Final Thoughts: A Rackmount Titan for Critical Continuity
The APC Smart-UPS RT 15kVA Rackmount 230V (SURT15KRMXLI) stands as an enterprise bulwark, with double-conversion isolation, scalable batteries, and intelligent controls fortifying against power threats. While its footprint and cost align with pro-grade needs, the sine wave purity and bypass smarts deliver unmatched ROI in availability. For data guardians, it’s a Schneider powerhouse. Source via US @ TIACO TECHNOLOGIES—what’s your rack’s power armor? Comment below!