Schneider Electric Circuit Breaker MTZ1-1250-H1

Power the Micrologic X control unit

Check the Micrologic X Ready LED status

Refer to Critical Cases chapter if LED is not flashing green

Use a thin screwdriver to briefly push in (<1 s) the test button on the control unit

Check that all indicators are in the correct state after the test

Reset the circuit breaker after the test

Connect PC to Micrologic X control unit

Force state of M2C programmable contacts inputs

Record equipment identification

Check that the device is undamaged, correctly mounted, and securely fastened in the switchboard

Check the 3-phase clearance at terminal blocks

Check for debris at the back of the device housing/enclosure

Check that the ground terminals are securely connected with the correct grounding cables

Check that all external surfaces are undamaged

Rectify any non-conformities, if possible

Refer all equipment non-conformities to asset management

Condition of Connections and Auxiliaries

Check device mounting in the switchboard and the tightness of all connections

Check that all auxiliaries and accessories are correctly installed