T91 Online UPS

  • SNMP-1PIN Internal SNMP Card
  • XPRT-RELAY Internal Relay Card


120VAC or 208/230VAC

Unity power factor tower UPS provides high density online power protection for unstable power conditions.


T91 UPS provides double conversion online power for light industrial applications, point of sale, servers, voice & data networks, and laboratories. T91 features unity output power factor to support up to 43% more critical loads than typical UPSs.

Extended battery runtimes are available from the T91 by adding up to seven matching battery packs.
T91 battery charger can be programmed to provide up to 8 amps of recharge current to insure batteries are recharged quickly and prepared for the next utility outage.

Product Snapshot

  • Available 120V models: 700VA, 1000VA, 1500VA, 2000VA, 3000VA
  • Available 208/230V model: 2000VA
  • Extended battery packs available
  • Controlled load segments
  • UL, cUL, CE, RoHS, FCC B, FCC A
  • 3 years electronics, 3 years battery warranty (USA and Canada)
MODEL NUMBER T91-700 T91-1000 T91-1500 T91-2000 T91-3000 T91i-2000
INPUT Capacity 700VA (700W) 1000VA (1000W) 1500VA (1450W) 2000VA (1930W) 3000VA (2880W) 2000VA (2000W)
Voltage range 55–150VAC* 110–300VAC*
Frequency 50/60Hz auto sensing
OUTPUT Voltage 120VAC nominal (100/110/115/127VAC selectable)*** 208/220/230/240VAC***
Waveform Sine wave, zero transfer time
Frequency 50/60Hz auto sensing ≤ 1%
Efficiency Up to 98% ECO Mode and 92% online mode
Overload capacity > 110% & ≤ 130% for 5 min; > 130% & ≤140% for 30 sec; >140% for 1.5 sec
BATTERY Battery type (2) 12V9AH (3) 12V9AH (3) 12V9AH (6) 12V9AH (6) 12V9AH  (6) 12V9AH
Recharge 3 hours to 95% for internal battery with 2A charge current
PHYSICAL UPS dimensions (W x D x H) 5.6 x 15.6 x 8.6 in 7.4 x 16.5 x 12.5 in
UPS weight 25.7 lbs 30 lbs 34.3 lbs 63 lbs 66 lbs 62 lbs
Line cord 6ft, 5-15P 6ft, C19 to L5-20P 6ft, L5-30P 6 ft, C19 to L6-20P
Receptacles (6)  5–15R* (1) L5-20R + (8) 5-20 (1) L5-30R + (8) 5-20R (1) C19 + (8) C13
BP dimensions (W x D x H) N/A  5.6 x 15.6 x 8.6 in 7.4 x 16.5 x 12.5 in
BP weight N/A 44 lbs 82 lbs 
ENVIRONMENT Temperature 32–104°F (0–40°C)
Audible noise < 50 dB with fan speed control
Altitude 11,500 ft above sea level
APPROVALS UL1778 (cTUVus), FCC B, RoHS UL1778 (cTUVus), FCC A, RoHS CE, RoHS
WARRANTY 3 years electronics, 3 years battery warranty (USA and Canada)
COMMUNICATIONS INTERFACE RS-232, USB, EPO, intelligent slot for optional cards (Web/SNMP, Relay/dry contact, Modbus)
INCLUDED IN BOX ViewPower monitoring software CD, USB cable, user manual
AVAILABLE OPTIONS Extended warranty, bypass distribution (XBDM), power distribution (XPDU)

*T91-2000 is also available with an L5–20P input and (1) L5–20R + (10) 5–15R output. **Depending on load level. ***T91 capacity derates 10% at 110VAC and 20% at 100VAC output voltage.

  1. Mounting Kits
    Model Description Unit Weight Unit Dimensions
    T90-WMB Wall Mount Bracket for use with T91-700, T91-1000, T91-1500, T90-2000, T91i-2000; Rated for 40 lbs 5 lbs 4.0”-8.0” x 7.0” x 8.0”
  2. Connectivity
    Model Description Unit Weight Unit Dimensions
    SNMP-1PIN Internal Web/SNMP Card 1 lb 7.25″ x 6″ x 2.5″
    XPRT-RELAY AS400 Dry Contact Interface Card 1 lb 7.25″ x 6″ x 2.5″
  3. Bypass Distribution Modules
    Model Description Utility Input Output Connections UPS Connections Unit Weight Unit Dimensions
    XBDM1020HV1 Bypass 16A capacity for use with T90i-1500 (includes IEC C20 C19 cord kit) IEC C20 inlet (2) IEC C19 + (4) IEC C13 front, (4) IEC C13 back IEC C20 3.5 lbs 19.3″ x 3.5″ x 1.75″
  4. Power Distribution Units & Transformers
    Model Description Input Power Cord Outlets Unit Weight Unit Dimensions
    XPDU-IEC 230V Basic Power Distribution Unit for use with T90i-1500 IEC C20 inlet (10) IEC C13 + (2) IEC C19 2.6 lbs 19.0″ x 3.5″ x 1.75″
    XPD-AT15A 1500W Transformer PDU with Meter 208V to 120V for use with T90i-1500 Detachable IEC C14, 3ft (16) 5–15R 19.7 lbs 19.0” x 10.5” x 3.5”
    XAT-400 400VA Step Down Transformer 208V to 120V for use with T90i-1500 208V IEC C14, 2ft 120V 5–15R, 2ft 8.0 lbs 7.0” x 6.8” x 5.9”