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Liebert PSI5-1500RT120LI Vertiv PSI5 Lithium-Ion UPS 1500VA/1350W 120V
- 1500VA / 1350W capacity for robust power protection
- Lithium-Ion battery technology for longer lifespan and faster recharge
- 120V input/output voltage
- Rack/Tower convertible form factor for flexible installation
- Provides clean sine wave output for sensitive electronics
- Features multiple outlets for connected devices
- Includes surge protection and battery backup
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For government, enterprise, data center, and small business customers.
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Product Overview
The Liebert PSI5-1500RT120LI is a 1500VA/1350W Lithium-Ion UPS system designed for reliable backup power. It offers advanced protection against power disturbances, ensuring continuous operation for critical equipment. The 120V unit features a versatile rack/tower convertible design for flexible deployment.
Technical Information
| Product Type | UPS (Uninterruptible Power Supply) |
| Capacity | 1500VA / 1350W |
| Battery Technology | Lithium-Ion |
| Voltage | 120V |
Additional Specifications
| Form Factor | Rack/Tower Convertible |
| Output Waveform | Pure Sine Wave |
| Number of Outlets | 8 (NEMA 5-15R) |
| Communication Port | USB, Serial |
Product Description
The Vertiv Liebert PSI5-1500RT120LI is a state-of-the-art Uninterruptible Power Supply (UPS) system engineered to safeguard critical IT equipment from power outages and fluctuations. With a substantial capacity of 1500VA and 1350W, it provides ample power to keep essential devices operational during unexpected power interruptions. The integration of Lithium-Ion battery technology offers significant advantages over traditional lead-acid batteries, including a longer service life, faster recharge times, and improved thermal stability, leading to reduced maintenance and operational costs. Designed for versatility, the PSI5-1500RT120LI features a rack/tower convertible form factor, allowing it to be easily installed in standard server racks or placed vertically on a desk or floor. This flexibility makes it suitable for a wide range of environments, from small business server rooms to enterprise data centers. The UPS delivers a pure sine wave output, which is essential for protecting sensitive electronic equipment such as servers, network devices, and workstations from potential damage caused by unstable power. This UPS unit is equipped with multiple NEMA 5-15R outlets to accommodate various devices, ensuring that all critical components receive protected power. Advanced features include surge suppression, battery backup, and intelligent power management capabilities accessible via USB and serial communication ports. These features enable remote monitoring, automated shutdowns, and proactive management of power conditions, ensuring maximum uptime and data integrity.


