E90 Online Tower UPS


208/120VAC three phase UPS

Reliable E90 UPS provides online power protection in a compact footprint

E90 online tower UPS provides economical three phase double conversion power for small data centers, network closets, retail stores, servers and industrial applications.

E90 features unity output power factor to support up to 25% more critical loads than similar competitive UPS. Up to 50% smaller than competitive units, the E90 provides an all-in-one, energy efficient solution.

Extended battery runtimes are available from the E90 by adding up to four matching battery packs. E90 battery charger can be programmed to provide up to 20 amps of recharge current to ensure batteries are recharged quickly and prepared for the next utility outage.

To learn more about Xtreme Power’s Three Phase product line, read our latest news article here: https://www.xpcc.com/xtreme-power-three-phase-products/

or check out how the Xtreme Power E90 stacks up against the competition:

E90 vs Eaton 93E 

E90 vs Eaton 9355 

E90 vs Liebert EXS

Product Snapshot

  • Available models: 10kVA, 15kVA, 20kVA
  • Unity power factor
  • Parallel operation
  • Extended battery runtimes with optional matching battery modules
  • UL 1778, CSA C22.2 No. 103.3-14, FCC Class A, Energy Star, RoHS
  • 2 years electronics, 2 years battery warranty (USA and Canada)





CAPACITYPower rating10kVA (10kW)15kVA (15kW)20kVA (20kW)
INPUT Voltage / Range208/120VAC or 220/127VAC / 125-275VAC*
Frequency40–70Hz auto-sensing
OUTPUT Voltage / Regulation208/120VAC or 220/127VAC / ± 1%
EfficiencyUp to 94.5% online mode or 98% ECO mode
Overload capacity150% for 1 min, 125% for 10 min, 110% for 60 min
BATTERY Battery typeSealed, maintenance-free lead acid
Battery QuantityUp to (60) 12V 9AH
Charger Voltage / Current273VDC / 1A-20A (max) programmable from LCD
PHYSICALDimensions (W x D x H)9.8 x 39.2 x 34.0 in
Input/Output Terminal blocks
Weight 296 lbs 419 lbs 539 lbs
Optional Battery Pack ModelEBP80-63AEBP80-125A
Battery quantity and size(80) 12V 9AH
Dimensions (W x D x H)9.8 x 39.2 x 34.0 in
Weight 535 lbs
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**
APPROVALSUL 1778, CSA C22.2 No. 103.3-14, FCC Class A, Energy Star, RoHS
WARRANTY2 years electronics, 2 years battery warranty (USA and Canada)
COMMUNICATIONS INTERFACERS-232, EPO, RS485, USB, dry contact, (2) slots for optional cards (Web/SNMP, Relay/dry contact)
INCLUDED IN BOXUser manual, RS-232 communication cable, USB cable, Muser monitoring software
AVAILABLE OPTIONSExternal maintenance bypass, output distribution, external battery packs, parallel cables
*Depending on load level.
**Battery life is reduced above 30°C, UPS capacity derates above 40°C and 5,200 ft above sea level
E90 Product Flyer
E90 User's Manual
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