When a fault trip happens, the fault trip indicator SDE indicates ‘fault’ and the blue fault trip reset button pops up. To close the breaker, the reset button needs to be pressed down.
To do a remote reset after fault trip, two solutions, RES and RAR, are provided.

RESPlease see the following detailed explanation of RES from Masterpact MTZ Catalogue.


Example terminal block marking for RES for MTZ2/MTZ3 Fixed and drawout devices.

Please see below showing how blue reset button pops back in when the RES is used.
RARPlease see the following detailed explanation of RES from Masterpact MTZ Catalogue.
Please refer more details in Masterpact MTZ Catalogue and User Guide.