Contact element, standard/approval: UL/CSA, IEC, size: NZM1/2/3/4, connection technology: Cage Clamp, mounting: front mounting. Description: Cage Clamp is a registered trademark of Wago Kontakttechnik GmbH, Minden. Contact configuration Ö = normally open: 1 Ö, contact configuration note: safety function, forced opening according to IEC/EN 60947-5-1. Actuator path and actuation force according to DIN EN 60947-5-1, K.5.4.1 forced opening path: 4.8 mm, maximum path: 5.7 mm, minimum force for forced opening: 15 N, protection class: IP20, connection to SmartWire-DT: no, connection type: single contact. Description of the auxiliary switch HIA: General trip indication “+” when triggered by voltage release, overload release, short-circuit release, as well as when using the residual current release due to residual current. Use with circuit breaker size NZM1, 2, 3: One auxiliary switch can be clipped into the circuit breaker. Use with circuit breaker size NZM4: Up to two auxiliary switches can be clipped into the circuit breaker. Any combination of auxiliary switch types is possible. Not in conjunction with load break switch. Marking in the switch: HIA. Marking in the RCD block: HIAFI. When using the auxiliary switches in the RCD block, the normally open contact operates as a normally closed contact and the normally closed contact operates as a normally open contact. Description of the normal auxiliary switch HIN: Operates with the main contacts. Takes on signaling and locking tasks. Use with circuit breaker size NZM1: One normal auxiliary switch can be clipped into the circuit breaker. Use with circuit breaker size NZM2: Up to two normal auxiliary switches can be clipped into the circuit breaker. Use with circuit breaker size NZM3, 4: Up to three normal auxiliary switches can be clipped into the circuit breaker. Any combination of auxiliary switch types is possible. Marking in the switch: HIN.