Compact Motor Protection Relay Block MM10

Features:
1. 4 Digit LED display
2. Measurement of RYB, Zero Sequence current and Thermal capacity.
3. Separate LED’s for indication of Motor operational, Trip & Thermal OL/ pre-alarm status.
4. Programmable thermal OL time constant right from 1 sec to 40 sec.
5. 2 nos. of C/O output contacts.
6. 1 no. Programmable Binary input for remote operation.
It can be configured for either of these operations:
-Inhibit Motor Start
-Trip Reset
-Instant Tripping
7. Relay testing facility
8. Trip data recording
Fault current or cause of last trip is displayed

• Flush Mounting with display
• Last trip data recording

• Protections:
– Thermal Overload with pre- alarm
– Short Circuit
– Earth fault
– Phase loss, Unbalance, Phase reversal
– Under Current
– Prolong starting, Locked Rotor