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Compact Motor Protection Relay for Medium & Large Size Motors

MM10 Relay is a microprocessor based Motor Protection Relay with 4 digits LED Display

Protections offered:

  • Thermal Overload with Warning
  • Short Circuit
  • Under Current
  • Unbalance
  • Phase Loss
  • Phase Sequence Reversal
  • Earth Fault
  • Prolong Starting, Locked Rotor

Features:

  • 4 Digit LED display
  • Measurement of RYB, Zero Sequence current and Thermal capacity.
  • Separate LED’s for indication of Motor operational, Trip & Thermal OL/ pre-alarm status.
  • Programmable thermal OL time constant right from 1 sec to 40 sec.
  • 2 nos. of C/O output contacts.
  • 1 no. Programmable Binary input for remote operation.

It can be configured for either of these operations:

  • Inhibit Motor Start
  • Trip Reset
  • Instant Tripping
  • Relay testing facility
  • Trip data recording
  • Fault current or cause of last trip is displayed