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How to deactivate the Earth Fault protection in Micrologic 6.0 trip unit of Masterpact ACB.

To deactivate the Earth Fault protection function in Micrologic 6.0 trip unit, follow the below procedure:

1. On the Masterpact Air Circuit Breaker (ACB), you have to put the jumpers in between F1-M1 and M2-M3 terminals.
2. Remove the External Sensor from the busbars and disconnect the wiring between Sensor and the ACB.
In case External sensor can't be removed from the busbars then remove the wires between Sensor and ACB. Next jumper the sensor terminals T1-T2 and T3-T4.
Refer the attached document describing the procedure.

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