Schneider Electric Circuit Breaker MTZ1-630-H3

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

Connect PC running Ecoreach software using RJ45 cable to communication network

Select interface for connection

Is the control mode set to Auto: Remote?

Ecoreach Software Configuration

Select the circuit breaker in Ecoreach software

Access the Open and Close buttons via the Device tab

Remove the MCH gear motor power supply

Perform an opening/closing/opening cycle to discharge the mechanism

Check electrical continuity and non-continuity

Reconnect the MCH gear motor power supply

Verify the device closes and the mechanism is automatically charged

Check electrical continuity for each phase

For fixed device: Check continuity on the power terminals

For drawout device: Check continuity on the chassis power terminals with the device in the connected position

Record any anomalies found during the continuity check

Verify all tools and equipment are removed from the work area

Sign off on the completion of the procedure

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