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The RMP-112D is a protective overload and reverse power relay for generator and prime mover protection.

Protection against overload is crucial in setups where the prime mover is under-dimensioned in proportion to the AC generator.

The versatile unit features a number of adjustable parameters.



  • Overload
  • P>: 25 to 125 %. 2 W 3, 3 W 3 (4)


  • Overload and reverse power
  • P>: 25 to 125 %, -P>: 0 to 25 %. 2 W 3, 3 W 3 (4)


  • Reverse power
  • P>: 0 to 25 %. 1 W (4), 1 W 3
  • Generator and prime mover protection
  • ANSI code 32
  • 3-phase measurement
  • LED indication of alarm condition
  • Timer-controlled tripping
  • LED indication for activated relay
  • 35 mm DIN rail or base mounting


Mounting Instructions
Other Technical Documentation

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