Vertiv Liebert PST5-350MT120 Battery Backup & Surge Protection

Experience dependable, clean power for your essential devices with the Vertiv Liebert PST5-350MT120 Battery Backup & Surge Protection. This compact, reliable uninterruptible power supply (UPS) is engineered for both home and small business environments, delivering seamless battery-backed resilience and robust surge protection. Whether you’re safeguarding a home office setup, gaming PC, modem and router, NAS storage, or light networking gear, the PST5-350MT120 helps prevent data loss, hardware damage, and downtime during outages or voltage fluctuations. Designed for easy installation and straightforward operation, it combines essential power protection with a compact footprint, making it an ideal choice for desks, shelves, or compact communication closets. With smart battery management and user-friendly indicators, this Liebert UPS keeps you in control when power is uncertain, so you can stay productive and connected with confidence.

• Reliable battery backup for critical loads: During outages, the PST5-350MT120 delivers automatic battery power to essential devices, allowing you to save work, perform graceful shutdowns, and maintain connectivity. It’s perfect for computers, routers, modems, IP cameras, clocks, and small servers. The battery-backed outlets ensure you can prioritize the most important equipment, while non-critical devices can be kept off until power returns. This feature helps prevent data corruption and sudden shutdowns, especially during peak usage times when a brief outage could disrupt business or personal productivity.
• Advanced surge protection and power conditioning: In addition to battery backup, this Liebert model guards against voltage spikes, surges, and line noise. Integrated EMI/RFI filtering improves power quality, reducing the risk of wear on sensitive electronics and preserving performance. With solid surge protection, your critical equipment remains shielded from electrical disturbances caused by lightning, switching events, or utility irregularities, providing peace of mind for your workspace or home media center.
• Compact, versatile design for home and small business: The PST5-350MT120 is built with a compact footprint that fits easily on a desk, bookshelf, or wall-mount area. Despite its small size, it delivers dependable power protection for multiple essential devices. Its simple, silent operation is ideal for home offices, classrooms, boutique shops, or small workspaces where space is at a premium. Ideal for 120V systems, it blends seamlessly into modern setups without clutter.
• Easy installation, monitoring, and maintenance: This Liebert UPS prioritizes user-friendly setup. Plug the unit into a grounded 120V outlet, connect critical devices to battery-backed outlets, and use the built-in indicators to monitor status. USB connectivity (and accompanying management software) lets you monitor runtime, voltage conditions, and performance, and enables safe automatic shutdown for computers and servers. The design emphasizes low maintenance with maintenance-free batteries and automatic self-tests to help ensure readiness before you need it.
• Energy efficiency and extended battery life: The PST5-350MT120 incorporates energy-conscious design choices that minimize standby power draw and extend battery life when in use. Eco-conscious users can benefit from smart power management modes that prioritize energy efficiency without sacrificing protection. This approach helps reduce operating costs while delivering reliable protection for devices that require continuous uptime, such as network equipment and home offices. The result is better value over the life of the unit and less environmental impact in daily use.

Technical Details of Vertiv Liebert PST5-350MT120 Battery Backup & Surge Protection

• Model: PST5-350MT120
• Capacity: 350 VA / approximately 210 W (rated for common small-load configurations)
• Output configuration: 120V AC power with battery-backed and surge-protected outlets for essential devices
• Input: 120 VAC, 60 Hz
• Battery type: Maintenance-free sealed lead-acid (SLA) designed for reliable performance and long life
• Power protection features: Surge protection, spike suppression, and EMI/RFI filtering to improve power quality
• Voltage regulation: Automatic Voltage Regulation (AVR) to stabilize minor swings without using the battery
• Connectivity: USB interface for monitoring and safe shutdown via compatible software
• Response time: Immediate switch to battery power during outages to minimize downtime
• Form factor: Compact, desktop-friendly design suitable for desks, shelves, or compact wall-mount areas
• Audible/visual indicators: LEDs and alerts to communicate status, battery level, and faults
• Safety: Integrated overload protection and resettable circuit protection for reliable operation
• Warranty and service: Standard limited warranty and access to Vertiv support resources (availability varies by region)

How to install Vertiv Liebert PST5-350MT120

• Unpack the unit and verify all components are present (UPS unit, power cord, user guide, and mounting hardware if included).
• Choose a clean, ventilated, and dry location near a grounded 120V outlet. Avoid placing the UPS in direct sunlight, on the floor where dust can accumulate, or in a damp area.
• Plug the UPS into a grounded 120V wall outlet. Ensure the outlet can supply adequate current for the connected devices.
• Connect your critical devices to the battery-backed outlets on the UPS. Reserve non-essential devices for non-battery outlets if available.
• Turn on the UPS and wait for the initial self-test to complete. Use the status LEDs or the software interface to verify that the unit is operating normally.
• Install the USB management software if included or recommended. Use the software to configure automatic shutdown, monitor runtime, and receive alerts during outages or power events.
• Configure any preferred protection settings, such as Eco mode or voltage regulation preferences, and set up notifications for battery level, fault conditions, or outages.
• Run a controlled power-down test by unplugging the UPS from a live outlet while observing the connected devices. Ensure a graceful shutdown or safe reboot according to your workflow.

Frequently asked questions

• Q: What does the Vertiv Liebert PST5-350MT120 protect?
  A: It provides battery backup and surge protection for essential electronics, including computers, routers, modems, NAS devices, and other small business or home office equipment. It helps prevent data loss and hardware damage during power outages and voltage fluctuations.
• Q: How long will the backup battery run my devices?
  A: Runtime varies with load. At light loads, you may experience several minutes of runtime; under heavier loads (close to the 210 W rating), runtime will be shorter. The UPS is designed to give you enough time to save work and perform a safe shutdown.
• Q: Can I monitor the UPS status from a computer?
  A: Yes. The unit includes a USB connection and accompanying software to monitor battery status, voltage, load, and run-time, and to perform automatic or scheduled shutdowns when power is interrupted.
• Q: Is the PST5-350MT120 suitable for a home network or small office?
  A: Absolutely. Its compact form factor, battery backup outlets, and surge protection are well-suited for small offices, home networks, and multimedia setups that require reliable power continuity and protection against electrical disturbances.
• Q: Does it support wall mounting?
  A: The unit is designed for versatile placement, including desktop use or compact wall-mount arrangements where space is limited, helping to keep workspaces tidy and organized while maintaining protection.