P91 1-3kVA Online UPS



Premium Power Protection for Mission Critical applications


The Xtreme Power P91 UPS is an online double conversion UPS solution which offers power conditioning and outage protection in a compact and flexible rack/tower form factor.

With near unity power factor operation (2U units), the Xtreme Power P91 provides maximum usable power to your equipment. Xtreme Power protects your business with a standard, three-year or optional five year product warranty.

Product Snapshot

  • Available models: 1000VA(1U/2U), 1500VA, 2000VA, 3000VA
  • Individual switchable receptacles (1U)
  • Hot swappable battery design
  • Tower, wall, 2-post and 4-post rack mounting configurations
  • Extended battery runtimes with optional matching battery modules
  • UL, cUL, RoHS, FCC A, FCC B
  • 3 years electronics, 3 years battery warranty (USA and Canada)
MODEL NUMBER P91c-1000 P91-1000 P91-1500 P91-2000 P91-3000
CAPACITY Power rating 1000VA (800W) 1000VA (1000W) 1450VA (1500W) 2000VA (1930W) 3000VA (2880W)
INPUT Voltage/Frequency 55–150VAC* / 50/60Hz auto-sensing 
OUTPUT Voltage 120VAC 120VAC nominal (100/110/115/127 selectable)***
Frequency 50/60Hz ± 0.3Hz   50/60Hz ± 0.1Hz
Overload capacity 1U online mode: > 105% & ≤ 130% for 2 min; > 130% & ≤200% for 10 sec; >200% for 250 ms 2U online mode: > 110% & ≤ 130% for 5 min; > 130% & ≤140% for 30 sec; >140% for 1.5 sec
Efficiency Up to 98%
BATTERY Battery chemistry Sealed, maintenance-free lead acid
Battery size (4) 6V 290W (2) 12V 9AH (3) 12V 9AH (4) 12V 9AH (6) 12V 9AH
Typical recharge / charger < 9 hours to 90% < 3 hours to 95% with 2A charger current
Charging current 1A 2A default, Max 8A Adjustable
Charging voltage 27.4 VDC 41.1 VDC 54.8VDC 82.1VDC
PHYSICAL Dimensions (W x D x H)** 17.2 x 17.8 x 1.7 in 17.2 x 15.1 x 3.5 in 17.2 x 19 x 3.5 in 17.2 x 23.8 x 3.5 in
Weight 28 lbs 25.5 lbs 34.2 lbs 43 lbs 60.6 lbs
Line cord C14 inlet, 5ft 5-15P to C13 line cord 6 ft, 5–15P 6 ft, 5–20P 6 ft, L5–30P
Receptacles (3) NEMA 5–15R (8) NEMA 5-15R (8) NEMA 5–15/20R L5–30R+(6)5–15/20R
ENVIRONMENT Operating temperature 32–104°F (0–40°C)
Audible noise <55dBA <58dBA
Altitude 11,500 ft above sea level
APPROVALS UL, cUL, RoHS, FCC Class B (1000 (2U), 1500VA), FCC Class A (1000 (1U), 2000, 3000VA)
WARRANTY 3 years electronics, 3 years battery warranty (USA and Canada)
COMMUNICATIONS INTERFACE RS-232(2U), USB, EPO, intelligent slot for optional cards (Web/SNMP, Relay/dry contact, Modbus)
INCLUDED IN BOX ViewPower software, horizontal brackets, tower pedestals, user manual
4-post rail kit 2-post shelf kit wall mount bracket (2U units)"

*Depending on load level.

**Rack depth is front bracket to unit panel. Add 1” for depth including front bezel.

***Capacities are based on highest selectable voltage. Some models derate at lower voltages