Vertiv Liebert PSI5 UPS - 800VA / 720W - 120V Line-Interactive AVR

The Vertiv Liebert PSI5 UPS is a compact, highly efficient uninterruptible power supply designed to protect essential devices in classrooms, homes, and busy offices. This 800VA / 720W, 120V unit combines line-interactive AVR (Automatic Voltage Regulation) technology with a compact tower/rack-mount form factor to deliver clean, reliable power for computers, networking gear, audiovisual equipment, and other sensitive electronics. Whether you’re dealing with occasional outages, voltage sags, or surges, the PSI5 provides a cost-effective safeguard that helps preserve data, prevent downtime, and extend the life of your devices. Its intelligent design balances performance with energy efficiency, a quiet operation profile, and flexible deployment options, making it a practical power protection solution for modern workspaces and learning environments.

• Reliable power protection for essential devices: The PSI5 UPS acts as a trusted backbone for computers, routers, printers, displays, and media servers, ensuring continuity during power disturbances and buffering against sudden outages that can disrupt productivity or learning sessions.
• Line-Interactive AVR technology: Automatic Voltage Regulation stabilizes output voltage in the presence of voltage fluctuations, so connected equipment operates normally without consuming battery power for minor sags or surges, reducing battery wear and extending runtime when needed.
• Flexible deployment for space optimization: Featuring a versatile tower and rack-mount design, the PSI5 adapts to diverse setups—from under-desk workstations to equipment racks—without demanding extra space, delivering robust protection in compact environments.
• User-friendly management and monitoring: An intuitive front-panel interface with LEDs and audible alarms provides quick status updates, while USB connectivity enables seamless monitoring and graceful shutdowns through compatible software, helping IT staff and educators manage outages efficiently.
• Energy efficiency and cost-conscious operation: The PSI5 balances performance with energy savings, delivering efficient power protection that reduces operating costs over time. It helps maintain equipment health, protect data integrity, and support sustainable power management in schools, homes, and offices.

Technical Details of Vertiv Liebert PSI5 UPS

• Power Rating: 800 VA / 720 W
• Output: 120 V nominal
• Topology: Line-Interactive AVR (Automatic Voltage Regulation)
• Form Factor: Tower and rack-mount capable
• Protection: Surge protection and clean power delivery for connected devices
• Management: USB interface for monitoring and safe shutdown with compatible software
• Audible alerts and visual indicators to communicate status and fault conditions
• Battery operation: Provides backup power during outages to keep essential equipment running

how to install Vertiv Liebert PSI5 UPS

• Place the UPS near the equipment it will protect, ensuring adequate air clearance for cooling and easy access to the USB port and controls.
• Plug the UPS into a properly grounded 120V wall outlet to provide the primary power source for charging the battery and supplying connected devices.
• Connect critical devices (such as a computer, monitor, router, and small peripherals) to the UPS outlets to receive battery-backed power during outages.
• Connect a USB cable from the UPS to a computer or management station. Install compatible software to enable auto-shutdown, event logging, and real-time status monitoring.
• Run a self-test and configure alert preferences, runtime targets, and shutdown thresholds to ensure a smooth and predictable response during power events.

Frequently asked questions

• Q: What devices is the Vertiv Liebert PSI5 UPS best suited for? A: The PSI5 800VA / 720W unit is ideal for safeguarding essential computing gear, networking equipment, and small AV setups in home, school, and office environments where reliable uptime and data protection are priorities.
• Q: Does the PSI5 provide voltage regulation? A: Yes. It uses line-interactive AVR to correct voltage fluctuations without drawing on battery power, helping to preserve battery life and maintain stable output for connected devices.
• Q: How long can it run on battery? A: Runtime depends on the load placed on the UPS. At light loads, you can expect several minutes, while heavier device combinations will reduce runtime. The system is designed to provide enough time for safe shutdown or a transition to alternate power sources.
• Q: Is there software to monitor and manage the UPS? A: Yes. The PSI5 includes USB connectivity and is compatible with management software that supports safe shutdown, event logging, and status monitoring to simplify administration and classroom or office workflows.
• Q: Can I mount this UPS in a rack? A: Absolutely. The PSI5 is designed for both tower and rack-mount configurations, making it adaptable to desks, shelves, and equipment racks to fit a variety of spaces.