Vertiv Liebert PST5-660MT120 UPS

The Vertiv Liebert PST5 uninterruptible power supply (UPS) is a dependable and cost-effective offline UPS that delivers battery backup and surge protection to electronics in both the home and office environment. The PST5 provides adequate run time to save crucial work in progress and complete a proper shutdown for your equipment when confronted with a power outage. Each PST5 UPS is equipped with easy-to-use controls while providing power protection for not just computers but additionally gaming consoles, workstations, surveillance systems, and other electronics.

Liebert PST5 UPS Benefits and Features

  • Protects televisions, desktop computers, gaming consoles, workstations, networks/routers, surveillance & other important electronics
  • Energy Star certified UPS provides backup power and protection during damaging surges, spikes or power outages while remaining energy efficient
  • Battery backup and surge protection functionalities
  • 8 total outlets, including 4 surge only and 4 surge/backup battery outlets
  • LCD panel (only on 660VA and (50VA models) in front of unit for easy monitoring source status, load capacity, battery status, and input/output voltage and frequency
  • RJ11/45 for data line surge protection, advanced early warning of shutdown and EMI/RFI filters
  • Three-year, full unit coverage, including battery with options for extended product warranties
Vertiv Liebert PST5-660MT120 UPS - Click to enlarge

Price: $119.03
NOW: $84.02
Save: $35.01

Height 3.82 in. (97 mm.)
Width 12 in. (305 mm.)
Depth 6.24 in. (158.5 mm.)
Weight 9.4 lbs. (4.3 kg)
Color Black
Operating Temperature, F (C) Operating Elevation, feet (m) 32-104 (0-40) without derating 0-4,921 (0-1,500) without derating
Relative Humidity 0-95% non-condensing
Operating Elevation 0 to 9,942 (0 to 3,000) without derating.
Operating temperature reduced 9F (5 C) for each additional 1,640ft (500m) of altitude
Storage Temperature, F (C) 5 to 113 (-15 to 45)
Storage Elevation, ft (m) 0-49,212 (0-15,000)
Audible Noise <40 dBA @ 3 ft (1m) from all sides
Input AC  
Nominal Voltage 120 VAC
Input Cord 6 ft. attached with NEMA 5-15P
Voltage Range 90-145 VAC
Frequency Range 60 Hz, +/- 5Hz, autosensing
Protection Resettable Circuit Breaker
Surge Energy Rating 316 Joules
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 Sine Wave
Transfer Time 6-8 ms, typical (10 ms. maximum)
Overload Capacity 110% for 10 seconds, 120% immediate shutdown
Protection Electronic (over current, short circuit w/ latching shutdown)
Backup Time (Full Load/Half Load) mins 2 / 7
Battery Type Sealed Valve Regulated Lead Acid (VRLA)
Battery Manufacturer / Model Leoch / DJW12-6.0 BB / BP5-12
Battery Quantity x VDC x Ah 1 x 12V x 5.0 / 6.0Ah
Battery Backed Outlets (4) NEMA 5-15R
Surge Only Outlets (4) NEMA 5-15R
Safety cTUVus (UL 1778 5th Edition) CSA 22.2 no. 107.3:2014
RFI / EMI FCC Part 15, Class B
Surge Immunity EN61000-4-5; Line to Neutral: Level 2; Line to Earth: Level 3
Transportation ISTA Procedure 1A
Protection Plan  
Warranty 3-year full unit coverage including battery with advanced replacement warranty
Equipment Protection Plan $200,000

Liebert PST5-660MT120 Resources

User Guide

Data Sheet