Contact action of sweeping machines how to drive

Sweeper in the circuit is working correctly, overcurrent relay armature is released once the circuit when an overload or short-circuit fault occurs, the armature absorbs, driven Sweeper corresponding contacts, normally open contacts are closed, normally closed contacts disconnect. When the circuit is functioning, armature is closing due to the current relay, normally open contacts are closed, normally closed contacts disconnect; once below rated current 20% per cent of current in the coil, armature release signal so as to change the State of the circuit.

 

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