Moeller NZM
Circuit Breaker Auxiliary Contacts Index

Switching with the main contacts

Used for indicating and interlocking tasks

Can be clipped into the circuit-breaker when used as standard auxiliary contact

NZM1, N(S)1, PN1- one standard auxiliary contact
NZM2, N(S)2, PN2 - up to 2 standard auxiliary contacts M22-(C)K...
NZM3, N(S)3, PN3 and NZM4, N(S)4 - up to 3 standard auxiliary contacts M22-(C)K...
Any combinations of the auxiliary contact types ispossible.

Marking on switch: HIN

Can be clipped into the circuit-breaker when used as tripped auxiliary contact

NZM1 - one trip-indicating auxiliary switch
NZM2 - one M22-(C)K... trip-indicating auxiliary switch
NZM3 - one M22-(C)K... trip-indicating auxiliary switch
NZM4 - up to 2 M22-(C)K... trip-indicating auxiliary switches
Not in combination with switch-disconnector PN...

Any combinations of the auxiliary contact types ispossible.

Marking on switch: HIA

Labeling in FI-Block: HIAFI.

If the trip-indicating auxiliary contact in the fault-current block is used, the N/C contacts operates as a N/O contact and the N/C contact operates as an N/O contact (circuit symbol)