857 series

Article: 00086402

Arc protection relay / FEEDER protection / digital display / medium-voltage

The Bulletin 857 is a uniquely designed Motor-Feeder Protection device with an integrated Medium Voltage that offers solutions for the up to date motor and feeder protection essentials in one package. The protection relay provides diverse choices of control to take full advantage the motors output capabilities. It presents current, voltage and motor protection functions. The exclusive protection relay harmonizes the the low voltage or the medium voltage Motor Control Center which can easily be purchased as an OEM constitute. The distinct changes can be made accessible by the said relays by using the bundled packages available thru SetPointPS software.

Specifications

  • Function: arc protection, FEEDER protection
  • Other characteristics: digital display, medium-voltage, AC/DC
  • Applications: motor control, motor
  • Load voltage: Min.: 40 V

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