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E91 UPS provides reliable three phase double conversion power for edge facilities, small data centers, network closets, and industrial applications.

E91 features unity output power factor to support up to 25% more critical loads than typical UPSs. E91’s touch screen LCD allows vital monitoring with interactive power one-line, alarms and UPS status. External battery packs are available for longer runtimes.

Product Snapshot

  • Available models: 10kVA, 15kVA, 20kVA
  • Unity power factor
  • Approvals: UL, cUL, FCC, Energy Star 2.0
  • 2 years electronics, 2 years battery warranty (USA and Canada)

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    MODEL NUMBERE91-10kE91-15kE91-20k
    CAPACITYPower rating10kVA (10kW)15kVA (15kW)20kVA (20kW)
    INPUTVoltage / Range208Y/120VAC or 220Y/127 +20/-15% VAC three-phase*
     Frequency46–54Hz or 56-64Hz
    OUTPUTVoltage / Frequency208/120VAC or 220/127VAC / 50/60±0.1%
     Efficiencyup to 94% online mode or 98% ECO mode
     Overload capacity150% for 1 min, 125% for 10 min, 110% for 60 min
    BATTERYBattery typeSealed, maintenance-free lead acid
     Battery Quantity(40) 12V/9AH(60) 12V/9AH
     Max charging adjustableUp to 12A adjustable
    PHYSICALDimensions (W x D x H)9.9″ x 26.3″ x 32.3″11.9” x 34” x 40.2”
     Weight315 lbs504 lbs510 lbs
    Optional Battery Pack ModelEBP09-2 / EBP09-5
     Battery quantity and size(40) 12V 9AH / (100) 12V 9AH
     Dimensions (W x D x H)11.9″ x 34″ x 40.2″
     Weight  310 lbs / 670 lbs
     Output receptacles(4) L21-20R & (4) 3P 20A breakers, (4) L21-30R & (4) 3P 30A breakers
    ENVIRONMENTOperating temperature32–104°F (0–40°C)
     Audible noise<55dB from 1M distance for 10/15kVA; <58dB from 1M distance for 20kVA
     Altitude5,200 ft above sea level*
    APPROVALS UL, cUL, FCC. 10, 15, & 20kW are Energy Star 2.0
    WARRANTY 2 years electronics, 2 years battery warranty (USA and Canada)
    COMMUNICATIONS INTERFACE RS-232, EPO, USB, intelligent slot for optional cards (Web/SNMP, Relay/dry contact)
    INCLUDED IN BOX User manual, RS-232 communication cable, USB cable
    AVAILABLE OPTIONS External maintenance bypass, output distribution, external battery cabinets

    *Battery life is reduced above 30°C, UPS capacity derates above 40°C and 5,200 ft above sea level


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