Vertiv Liebert PST5 UPS - 500VA/300W 120V: Battery Backup & Surge Protection

The Vertiv Liebert PST5 UPS delivers dependable battery backup and robust surge protection in a compact desktop form factor. Designed to safeguard your essential electronics—from home offices and gaming rigs to small business workstations—this 500 VA / 300 W, 120 V UPS provides instant power during outages, immediate surge defense, and intelligent management to protect data and minimize downtime. With a focus on reliability, simplicity, and value, the Liebert PST5 helps you stay productive when the power grid falters and keeps sensitive devices safe from voltage spikes. Whether you’re streaming, coding, or running important peripherals, you can count on this unit to bridge the gap between outages and ongoing work.

• Reliable battery backup that activates in milliseconds when the main power fails, allowing you to save work, gracefully shut down equipment, and stay productive during outages.
• Comprehensive surge protection and noise filtering guard connected devices from voltage spikes, sags, and electrical disturbances that can cause data loss or hardware damage.
• Compact desktop footprint designed for easy placement under a monitor, on a desk, or near a workstation, offering solid protection without occupying valuable space.
• Integrated power management via USB for safe shutdown and energy awareness, helping you monitor load, set up automatic startup/shutdown sequences, and optimize battery life.
• User-friendly indicators and alerts provide clear status information on battery condition, power events, and system health so you can act quickly when needed.

Technical Details of Vertiv Liebert PST5 UPS

• Capacity: 500 VA / 300 W
• Input Voltage: 120 VAC
• Output Voltage: 120 VAC (nominal)
• Topology: Line-Interactive UPS with automatic voltage regulation (AVR) to correct minor fluctuations without drawing from the battery
• Protection & Filtering: Built-in surge protection and EMI/RFI noise filtering to safeguard connected equipment
• Interfaces: USB connection for power management and safe shutdown; serial connection may be available depending on model
• Indicators: Front-panel status LEDs and audible alerts to convey battery status, faults, and power events

How to install Vertiv Liebert PST5 UPS

Preparing for installation ensures you get the most from your UPS. Follow these general steps to set up the Liebert PST5 quickly and safely:

• Place the UPS on a flat, stable surface or mount it as recommended by the user manual in a location with adequate airflow and away from heat sources.
• Plug the UPS into a grounded 120 VAC wall outlet using the included power cord. Avoid using extension cords or power strips that could limit performance.
• Connect your critical devices to the UPS’s surge-protected outlets. Prioritize equipment that must stay on during outages, such as a PC, monitor, modem, and essential peripherals.
• Connect a USB cable from the UPS to your computer (and install any provided software) to enable automatic shutdown, energy reporting, and real-time monitoring.
• Power on the UPS and allow it to stabilize. Run a brief self-test if the software offers it, and confirm that connected devices continue to operate when the main power is interrupted.
• Configure automatic shutdown and notification settings according to your workflow to protect ongoing work and minimize data loss during longer outages.

Frequently asked questions

• Q: What does the Vertiv Liebert PST5 protect?
  A: It provides battery backup and surge protection for essential devices, plus noise filtering to shield sensitive electronics from voltage fluctuations and electrical disturbances.
• Q: How long can the PST5 keep devices running?
  A: Runtime depends on the load. At light loads, you can expect several minutes of runtime to save work and shut down gracefully; at heavier loads, runtime will be shorter. For precise figures, test under your typical configuration.
• Q: How do I manage the UPS and enable safe shutdown?
  A: Connect the UPS to a computer via USB and install the provided power management software to configure automatic shutdown, runtime notifications, and energy monitoring.
• Q: Can I use this UPS for non-critical devices?
  A: It’s designed to protect essential electronics. You can connect non-critical devices to the bundled surge protection outlets, but they may not receive backup power during an outage if they are on surge-only protection ports.
• Q: Is the Liebert PST5 easy to install and maintain?
  A: Yes. It is lightweight, desktop-oriented, and designed for simple setup with user-friendly indicators and clear alerts. Regular software updates and battery checks help maintain performance.
• Q: What should I know about warranty and support?
  A: Warranty terms vary by region and reseller. Check Vertiv’s official support or your supplier for the exact coverage and service options available for your PST5 unit.