Home/Power and Infrastructure

Vertiv Liebert PST5 UPS 350VA-850VA

The Vertiv Liebert PST5 UPS 350VA-850VA is an uninterruptible power supply designed to provide reliable backup power and surge protection for desktop computers, gaming consoles, workstations, wireless networks, and other electronics. It is available in 350VA, 500VA, 660VA, and 850VA models, delivering protection against power outages, surges, and voltage spikes while maintaining high energy efficiency. The 660VA and 850VA models feature an LCD display for easy monitoring of UPS status, battery condition, and load capacity.
Vertiv Liebert PST5 UPS 350VA-850VA with screen/without
Vertiv Gold Partner

Vertiv Liebert PST5 UPS 350VA-850VA - System Overview

Additional InformationVertiv Liebert PST5 UPS 350VA-850VA

The Vertiv PST5 UPS 350VA-850VA features 8x NEMA 5-15R outlets, including 4x battery-backed surge-protected outlets and 4x surge-only outlets. The UPS connects through a NEMA 5-15P input with a 6ft power cord for flexible placement in the office or at home. This system also supports the Vertiv Power Assist software, which enables automated, controlled shutdown of connected systems during extended outages. The software communicates with the UPS via USB, allowing users to monitor events, review performance metrics, and log historical power data.

4x Models:

PST5-350MT120, Power Rating: 350VA / 200W, Output Voltage Range: 120 VAC

PST5-500MT120, Power Rating: 500VA / 300W, Output Voltage Range: 120 VAC

PST5-660MT120, Power Rating: 660VA / 400W, Output Voltage Range: 120 VAC 

PST5-850MT120, Power Rating: 850VA / 500W, Output Voltage Range: 120 VAC

The PST5 UPS operates within 120V environments and delivers greater than 95% efficiency at full load when running on utility power. The Energy Star certified unit uses sealed valve-regulated lead-acid (VRLA) batteries to provide backup runtime, giving users enough time to save work and safely shut down equipment during a power interruption.

Vertiv Liebert PST5 UPS 350VA-850VA - Specifications

System Specifications

Model Capacity (VA / W) Unit Dimensions, in (mm) W x D x H Unit Weight, lbs (kg)
PST5-350MT120 350 / 200 12 x 6.24 x 3.82 (305 x 158.5 x 97) 6.6 (3.0)
PST5-500MT120 500 / 300 12 x 6.24 x 3.82 (305 x 158.5 x 97) 7.7 (3.5)
PST5-660MT120 660 / 400 12 x 6.24 x 3.82 (305 x 158.5 x 97) 9.4 (4.3)
PST5-850MT120 850 / 500 12 x 6.24 x 3.82 (305 x 158.5 x 97) 9.7 (4.4)

Input AC

Nominal Voltage
- 120 VAC
Voltage Range
- 90-145 VAC
Frequency Range
- 60 Hz, +/- 5Hz, autosensing
Surge Energy Rating
- 316 Joules
Input Cord
- 6 ft. attached with NEMA 5-15P

Output AC (On Utility)

Nominal Voltage
- 120 VAC
Voltage Range
- 96-145 VAC
Frequency Range
- 60 Hz, +/- 1Hz, autosensing
Efficiency
- >95% at full load

Output AC (On Battery)

Nominal Voltage
- 120 VAC
Voltage Range
- Nominal +/- 8%
Frequency Range
- 60 Hz, +/- 0.5Hz
Waveform
- PWM Simulated Sinewave
Transfer Time
- 6-8 ms, typical (10 ms. maximum)
Overload Capacity
- 105% for 10 seconds, 120% immediate shutdown
- 110% for 10 seconds, 120% immediate shutdown
Protection
- Electronic (over current, short circuit w/ latching shutdown)
Battery Type
- Sealed Valve Regulated Lead Acid (VRLA)
Battery Backed Outlets
- 4x NEMA 5-15R
Surge Only Outlets
- 4x NEMA 5-15R

Vertiv Liebert PST5 UPS 350VA-850VA - Documentation

Vertiv Energy Star Qualified UPS Products Data Sheet Vertiv Liebert PST5 UPS 350VA-500VA Quick Installation Guide Vertiv Liebert PST5 UPS 6600VA-850VA Quick Installation Guide Vertiv Liebert PST5 UPS Installer User Guide Vertiv Liebert PST5 UPS 350VA-850VA Brochure
Consult
the Experts! Talk to one of our trained professionals to create a system to your exact specifications.
Contact Us