Contact element, standard/approval: UL/CSA, IEC, size: NZM1/2/3/4, connection technology: cage clamp, fastening: front fastening, description: when using emergency stop buttons M22-PV. max. 2 contact elements = 4 breakers/make contacts, Cage Clamp is a registered trademark of Wago Kontakttechnik GmbH, Minden, Contact configuration S = make contact: 1 S, Contact configuration Ö = breaker: 1 Ö, Contact configuration Note: = safety function, through positive opening in accordance with IEC/EN 60947-5-1, Travel of the operating element and actuating force in accordance with DIN EN 60947-5-1, K.5.4.1 Positive opening travel: mm 4.8, maximum travel: mm 5.7, minimum force for positive opening: N 20, Protection class: IP20, Connection to SmartWire-DT: no, Connection type: double contact, Description of tripped auxiliary switch HIA: General tripped message '+' when tripped by a voltage release, overload release, short-circuit release or when using the residual current release due to residual current., Use with circuit breaker size NZM1, 2, 3: A trip auxiliary switch can be clipped into the circuit breaker., Use with circuit breaker size NZM4: Up to two trip auxiliary switches can be clipped into the circuit breaker., Any combination of auxiliary switch types is possible., Not in conjunction with load-break switch PN., Marking in the switch: HIA., Marking in the residual current block: HIAFI., When using the trip auxiliary switch in the residual current block, the normally closed contact works as a normally open contact and the normally open contact works as an normally closed contact., Description of normal auxiliary switch HIN: Switches with the main contacts. Takes over signaling and locking tasks., Use with circuit breaker size NZM1: A standard auxiliary switch can be clipped into the circuit breaker., Use with circuit breaker size NZM2: Up to two standard auxiliary switches can be clipped into the circuit breaker., Use with circuit breaker size NZM3, 4: Up to three standard auxiliary switches can be clipped into the circuit breaker., Any combination of auxiliary switch types is possible., Marking in the switch: HIN.