Motor-protective circuit-breakers
PKZ2 – operating principle schematics

Common actuation of OFF and RESET [t-head3-np]

Circuit-breaker with remote operator, standard version.

Example 2: PKZ2/ZM-.../RS(...)

Position 1Off = Reset

Position 2Off/Reset

Position 3ON

Actuation by control circuit devices (for example pushbuttons NHI, AGM, VS3, EK...SPS with floating contacts).
 
Auxiliary switch for signalling the manual/automatic position of the remote operator. Indicates the automatic position when closed.


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