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5kVA transformer converts UPS 208V input to 120V for powering low-voltage AC components.

  • Converts 208V AC input into 120V output for powering low-voltage equipment
  • 18 NEMA 5-20R 120V outlets for connecting components with 5-15P or 5-20P plugs
  • Resettable circuit breakers protect mission-critical equipment from hazardous overloads
  • 3 ft. power cord with L6-30P input plug connects to compatible AC source
  • 3-year limited warranty


208V to 120V Isolation Transformer Converts High-Voltage Input to Low-Voltage Output
This 5kVA Stepdown Transformer converts your UPS system’s 208V high-voltage input to 120V low-voltage output. It features 18 NEMA 5-20R outlets (two sets of nine outlets) for connecting equipment with common NEMA 5-15P and NEMA 5-20P plugs. Resettable 20A circuit breakers protect your 120V equipment against overload conditions. The 9PXTFMR5 works with Eaton’s 9PX5K, 9PX6K, 9PX6K-L, 9PX3K3UN and 8kVA to 11kVA 9PX UPS systems.

Versatile Installation Options
You can mount the 9PXTFMR5 in 3U of space in an EIA-standard 19-inch rack using the included 4-post rail kit or an optional 2-post rail kit (RK2PC, sold separately). You can also adapt it for tower installation using the included joining bracket and hardware. The three-foot power cord with L6-30P plug connects to a compatible AC outlet.

System Requirements

Compatible with Eaton’s 9PX5K, 9PX6K, 9PX6K-L, 9PX3K3UN and 8kVA to 11kVA 9PX UPS systems

Package Includes

  • 9PXTFMR5 5kVA 120V Stepdown Transformer
  • Joining bracket and hardware for tower configuration
  • Rack-mounting hardware
  • Owner’s manuals
Energy Star certified RoHS compliant


UPC Code743172039293
Accessory TypeIsolation Transformer
Accessory ClassUPS Accessories
Input PhaseSingle-Phase
UPS Input Connection TypeL6-30P
UPS Input Cord Length (ft.)3
Plug TypeL6-30P
Output Receptacles(18) 5-20R
Primary Form FactorRackmount; Tower
Rack Height  3U
Unit Dimensions (hwd / in.)5.100 x 17.300 x 25.400
Operating Temperature Range32° to 104°F (0° to 40°C)
Relative Humidity0-95% non-condensing
Product CertificationscUL Listed; NOM (Mexico)
Product ComplianceCE (Europe); ENERGY STAR Qualified; RoHS
Product Warranty Period (U.S. & Canada)3-year limited warranty

Questions & Answers

Need help with your purchase?
We're always available to help with questions, including product selection, sizing, installation and product customization. Call us at +1 773-869-1776 or email