Please note, the Liebert PS1000RT3-120 has been discontinued. To discuss alternative options, please contact your Server Racks Online sales representative.
The Liebert PSI PS1000RT3-120 is a 2U Line-interactive UPS system, 1000VA/900W/120V. The Liebert PSI are compact, line-interactive UPS systems designed especially for IT applications such as network closets and small data centers. They provide reliable power protection for servers, critical nodes, network workstations, large network peripherals, network routers, bridges, hubs and other electronic equipment.
Liebert PSI standard model is rack/tower configurable. The UPS includes data line surge protection, transient voltage surge protection, and optional communications for shutdown and reporting. The UPS offers 8 output receptacles. A rack mounting rail kit is included as standard. External battery not available.
3.5"H x 17.3"W x 16.2"D
Liebert PS1000RT3-120 Features:
Provides six battery-backed outlets depending on model and size, allowing additional equipment to be connected to the UPS via the 15 Amp receptacles.
Configurable input voltage window allows the UPS to be properly matched to the incoming utility power.
Automatic Frequency Sensing allows the UPS to automatically adjust to the input frequency, 50Hz or 60Hz.
LED display panel rotates 90° to make the readout of the LED display easy to see in rack or tower position.
Provides network surge protection for equipment connected to the UPS via the RJ-45.
Offers multiple audible and visual alarms to immediately alert you to an input voltage fluctuation (buck/boost), output overload, low battery or replace battery condition.
Greater than five minutes of battery backup time at full load when utility fails.
Comprehensive analysis of the condition of the batteries within the UPS and will notify you when the internal batteries need to be replaced. The battery test feature can also be programmed for automatic operation using Liebert shutdown software.
Allows fast and easy maintenance with user-replaceable hot-swappable batteries.
Provides remote emergency power off for safe emergency shutdown.
Lowest Total Cost Of Ownership:
0.9 Output Power Factor provides more power for your protected load, and more energy efficient operation.
Ships with batteries connected and charged, reducing installation time and costs.
Protects your investment with a standard two-year warranty with paid shipping both ways. Also available with optional extensions of one year or three years.
Ideally Suited For:
Large network peripherals
Liebert PS1000RT3-120 Specifications:
3.5 in. (88 mm.)
17.3 in. (440 mm.)
16.2 in. (412 mm.)
43 lbs. (20 kg.)
Operating Temperature, ˚F (˚C)
32 to 104 (0 to 40)
Storage Temperature, ˚F (˚C)
5 to 104 (-15 to 40)
0% to 90%, non-condensing
Up to 3000m (10,000 ft) at 35˚C (95˚F) without derating
<40 dBA, internal fan(s) Off; <45 dBA, internal fan(s) On
Power Rating, VA/W
Input AC Parameters
Voltage Range Without Battery Operation
83 to 159 VAC (configurable)
Input Power Cord, 10ft (3m) attached
NEMA 5-15P plug
(8) NEMA 5-15R
Voltage (Normal Mode)
110/120/127 VAC (configurable)
Voltage (Battery Mode)
110/120/127 VAC; 5% before low-battery warning
4-6 ms typical
Valve-regulated, non-spillable, lead acid
5 hours to 90% of rated capacity, after full discharge into resistive load