

Vertiv Liebert PST5 Standby UPS
Surge and Outage Protection from 350VA to 850VA
The Vertiv Liebert PST5 standby UPS is designed for cost-effective protection of your electronic devices in the office. The UPS system provides sufficient time to safely shut down equipment so nothing is lost during blackouts, brownouts and other power issues that can damage equipment. With easy controls, it safeguards desktop computers, gaming consoles, workstations, wireless networks and routers, surveillance systems and other electronics. The single phase UPS has 4 of its 8 outlets dedicated to protect sensitive electronics that don’t require battery backup so you can tailor fit protection accordingly.
- Battery backup and surge protection functionalities
- 8 total outlets, including 4 surge only and 4 surge/backup battery outlets
- 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
- 2 of the 8 outlets are widely spaced to accommodate transformer blocks
- -Coax cable surge protection for cable modem, cable-TV (only for 660VA and 850VA models)

POWER PROTECTION
Power surges and sudden loss of power can damage computers and other electronics. Vertiv Liebert PST5 UPS systems provide vital protection for your business electronics by buffering against power supply interruptions caused by blackouts, lightning strikes, brownouts and other power supply issues.

RELIABLE AND EASY TO USE
Vertiv Liebert PST5 UPS systems are designed with easy controls for simple operation. The systems are easy to set up and ideal for computers, televisions, modems/routers,surveillance, entertainment equipment and other business electronics.

OFFICE ELECTRONICS
The Vertiv Liebert PST5 UPS systems provide cost-effective and reliable power protection for essential electronics from power outages and surges. They safeguard televisions, routers, desktop computers and cable modems during blackouts, brownouts and other power issues that can damage equipment.

BUSINESS EQUIPMENT
These standby UPS systems deliver battery backup and surge protection. They protect against power surges and sudden loss of power for desktop computers, audio-visual systems, routers, and cable modems. They allow sufficient time to safely shut down equipment so nothing is lost in the event of a power disturbance.
![]() PST5-350MT120 | ![]() PST5-500MT120 | ![]() PST5-660MT120 | ![]() PST5-850MT120 | |
|---|---|---|---|---|
| Customer Reviews | — | — | — | — |
| Price | — | — | — | — no data |
| Power (VA/W) | 350VA/ 200W | 500VA / 300W | 660VA / 400W | 850VA / 500W |
| Backup Time (Full Load) | 4 min | 3 min | 2 min | 1.5 min |
| Backup Time (Half Load) | 11 min | 9 min | 7 min | 6 min |
| Battery Backed Outlets | (4) NEMA 5-15R | (4) NEMA 5-15R | (4) NEMA 5-15R | (4) NEMA 5-15R |
| Surge Only Outlets | (4) NEMA 5-15R | (4) NEMA 5-15R | (4) NEMA 5-15R | (4) NEMA 5-15R |
| LCD Panel | No | No | Yes | Yes |
| Unit Weight (lbs) | 6.6 | 7.7 | 9.4 | 9.7 |
| Unit Dimensions WxDxH (inches) | 12 x 6.24 x 3.82 | 12 x 6.24 x 3.82 | 12 x 6.24 x 3.82 | 12 x 6.24 x 3.82 |


Vertiv Liebert PST5 Standby UPS
Surge and Outage Protection from 350VA to 850VA
The Vertiv Liebert PST5 standby UPS is designed for cost-effective protection of your electronic devices in the office. The UPS system provides sufficient time to safely shut down equipment so nothing is lost during blackouts, brownouts and other power issues that can damage equipment. With easy controls, it safeguards desktop computers, gaming consoles, workstations, wireless networks and routers, surveillance systems and other electronics. The single phase UPS has 4 of its 8 outlets dedicated to protect sensitive electronics that don’t require battery backup so you can tailor fit protection accordingly.
- Battery backup and surge protection functionalities
- 8 total outlets, including 4 surge only and 4 surge/backup battery outlets
- 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
- 2 of the 8 outlets are widely spaced to accommodate transformer blocks
- -Coax cable surge protection for cable modem, cable-TV (only for 660VA and 850VA models)

POWER PROTECTION
Power surges and sudden loss of power can damage computers and other electronics. Vertiv Liebert PST5 UPS systems provide vital protection for your business electronics by buffering against power supply interruptions caused by blackouts, lightning strikes, brownouts and other power supply issues.

RELIABLE AND EASY TO USE
Vertiv Liebert PST5 UPS systems are designed with easy controls for simple operation. The systems are easy to set up and ideal for computers, televisions, modems/routers,surveillance, entertainment equipment and other business electronics.

OFFICE ELECTRONICS
The Vertiv Liebert PST5 UPS systems provide cost-effective and reliable power protection for essential electronics from power outages and surges. They safeguard televisions, routers, desktop computers and cable modems during blackouts, brownouts and other power issues that can damage equipment.

BUSINESS EQUIPMENT
These standby UPS systems deliver battery backup and surge protection. They protect against power surges and sudden loss of power for desktop computers, audio-visual systems, routers, and cable modems. They allow sufficient time to safely shut down equipment so nothing is lost in the event of a power disturbance.
![]() PST5-350MT120 | ![]() PST5-500MT120 | ![]() PST5-660MT120 | ![]() PST5-850MT120 | |
|---|---|---|---|---|
| Customer Reviews | — | — | — | — |
| Price | — | — | — | — no data |
| Power (VA/W) | 350VA/ 200W | 500VA / 300W | 660VA / 400W | 850VA / 500W |
| Backup Time (Full Load) | 4 min | 3 min | 2 min | 1.5 min |
| Backup Time (Half Load) | 11 min | 9 min | 7 min | 6 min |
| Battery Backed Outlets | (4) NEMA 5-15R | (4) NEMA 5-15R | (4) NEMA 5-15R | (4) NEMA 5-15R |
| Surge Only Outlets | (4) NEMA 5-15R | (4) NEMA 5-15R | (4) NEMA 5-15R | (4) NEMA 5-15R |
| LCD Panel | No | No | Yes | Yes |
| Unit Weight (lbs) | 6.6 | 7.7 | 9.4 | 9.7 |
| Unit Dimensions WxDxH (inches) | 12 x 6.24 x 3.82 | 12 x 6.24 x 3.82 | 12 x 6.24 x 3.82 | 12 x 6.24 x 3.82 |











