Xtreme Power Conversion E91 20kVA 208/120VAC Three-Phase Online Tower UPS (E91-20K)

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 UPS systems.  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.

Why Choose the Xtreme E91 Series?

The E91 Series fills an important gap between rack-level UPS systems and large modular UPS platforms. It provides centralized facility-level protection with integrated batteries, making it ideal for organizations that want enterprise-grade power protection without the complexity and cost of modular architectures.

Key Features:

• Touch LCD 4.3" - touch display provides vital information including status and alarms
  
• High Overload Capability - E91 provides protection during momentary overloads
• Unity Output Power Factor - provide more real capacity for high density loads
• Energy Star - 10,15 and 20kW models meet Energy Star 2.0
• Parallel Operation - up to three UPSs can be operated in parallel
• Frequency Converter - lock output at 50Hz/60Hz
  
• Efficient Operation - operation at up to 94% in double conversion mode or 98% in ECO mode
• Dual or Single Inputs - E91 includes separate rectifier and bypass inputs.  Input jumpers are preinstalled
• Maintenance Bypass - manually transfer critical loads from UPS power to utility power, enabling E91 maintenance

Top Applications: 

• Healthcare facilities
  
• Medical imaging environments
  
• Industrial automation systems
  
• Telecommunications infrastructure
  
• Small data centers
  
• Network closets
  
• Commercial electrical rooms
  
• Edge computing facilities
  
• Manufacturing operations

Specifications:

• Model Number: E91-20K
• Power Rating: 20kVA / 20kW
• Frequency: 46–54Hz or 56-64Hz
• Overload Capacity: Up to 110% for 1 hour, 130% for 1 min, >130% for 1 sec
• Efficiency: Up to 94% online mode or 98% ECO mode
• Battery type: Lead acid
• Output Receptacles: (4) L21-20R each protected by a 20A breaker / (4) L21-30R each protected by a 30A breaker
• Weight: 510lbs
• Dimensions(W x D x H): 11.9 x 34 x 40.2 inches
• Warranty: 2 year warranty