Motor-protective circuit-breakers
PKZM01, PKZM0 and PKZM4 – auxiliary contacts

Trip-indicating auxiliary contacts AGM for PKZM01, PKZM0 and PKZM4 [t-head1]

These provide information about the reason for the circuit-breaker having tripped. In the event of a voltage/overload release (contact 4.43-4.44 or 4.31-4.32) or short-circuit release (contact 4.13-4.14 or 4.21-4.22) two potential-free contacts are actuated independently of one another. It is thus possible to indicate the difference between short-circuit and overload.

 


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