MCM Electronics

PowerVerter EMS Inverter/ChargerMCM Part #: 28-11427  |  Tripp Lite Part #: EMS1250UL

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This versatile inverter/charger system with auto-transfer switching serves as an automotive inverter for EMS applications including ambulance, emergency or police vehicles. It also serves as a standalone alternative power source for backup power operation and as an uninterruptible power supply for items compatible with a 16.6 millisecond transfer time.

Product Description


  • 12 V DC or 120VAC input; 120V AC output; 2 NEMA 5-15R hospital-grade outlets
  • 1250 watts continuous, 1875 Over Power™ and 2500 watts DoubleBoost™ output
  • 3 stage, 14/55 amp selectable wet/dry cell battery charger
  • Auto Transfer Switching option for battery backup / UPS operation – includes wired APSRM4 remote control switch
  • Tested to vehicular inverter standards UL458 (USA) and CSA-C22.2 No. 107.1-01 (Canada). Meets GSA Ambulance Specification KKK-A-1822
  • Hospital-grade AC plug and GFCI outlets; Anderson quick connect DC wiring terminals
  • Meets OSHA requirements

Package Includes:

  • EMS1250UL Inverter/Charger
  • Instruction manual with warranty information
  • Wired Remote Switch with full LED status indicators (model APSRM4)
  • 2 Anderson DC connectors (1 on the unit and 1 included in the box)

See Datasheet and Manual under PDF Reference on this page for a complete description, specifications, and owner’s manual.

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Package Specifications & Dimensions
RoHS Comp:Yes
Warranty:365 days
Need to Return?
Length:0 in.
Width:0 in.
Height:0 in.
Shipping Information
Extra Shipping Charge:No
Drop Ship:No
Catalog Pages

MCM Cat 57, Page 828

MCM Cat 56, Page 739

PDF Reference

Requires Adobe Acrobat Reader.

Mfr. Info

Tripp Lite Logo
Mfr. Name:Tripp Lite
Mfr. Part Number:EMS1250UL
Save at least 15% on all Tenma Test Equipment through Sunday. Use promo code EMC396.
Save at least 15% on all Tenma Test Equipment through Sunday. Use promo code EMC396.