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Utility Switchgear Cogeneration Emergency Standby Transfer Switches Engine/GenControl Breaker/Bus Boxes Railroad Engine Mounted Metering/Monitoring Annunciators Building Alarm Specialty Panels


Typical Head End Power (HEP) set consisting of a contactor cabinet and a relay/control cabinet.

The contactor panel contains an 800-1200 amp three-phase contactor, an automatic generator/shore power transfer switch, and a myriad of distribution breakers to power all of the auxiliary equipment needed for the HEP unit operation. 

The relay cabinet houses all of the engine/generator start/stop and safety logic.  All HEP units are built with over/under voltage, over/under frequency, overcurrent, and ground fault protection as a standard.  Engine safeties vary upon engine manufacturer but are included.  74VDC control voltage to match the railroad industry standard.

Key Benefits

  • Shock mounted panels and subpans for high vibration immunity
  • Compact space-saving design
  • Internally fan-cooled
  • Remote control panels also available to control the HEP unit from the engineer's compartment

    Submit inquiries to eci@electricalcontrols.net or Phone: (309) 692-2500 or Fax: (309) 693-0527.


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Copyright 2004 Dave Sills
Last modified: 07/07/06