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Auxiliary switch on the front, 1 NO Current path 1 NO Connection from top for 3RH and 3RT screw terminal 73/74
Auxiliary switch on the front, 4 NC Current path 1 NC, 1 NC, 1 NC, 1 NC for contactor relays Size S00 screw terminal 51/52, 61/62, 71/72, 81/82 Physically coded; only with contactor relays 3RH2140* and 3RH2440* can be combined (according to EN 50011)
Auxiliary switch on the front, 1 NO + 3 NC Current path 1 NO, 1 NC, 1 NC, 1 NC for contactor relays Size S00 screw terminal 51/52, 61/62, 71/72, 81/82 Physically coded; only with contactor relays 3RH2140* and 3RH2440* can be combined (according to EN 50011)
Auxiliary switch on the front, 2 NO + 2 NC Current path 1 NO, 1 NC, 1 NC, 1 NO for contactor relays Size S00 screw terminal 53/54, 61/62, 71/72, 81/82 Physically coded; only with contactor relays 3RH2140* and 3RH2440* can be combined (according to EN 50011)
Auxiliary switch on the front, 3 NO + 1 NC Current path 1 NO, 1 NC, 1 NO, 1 NO for contactor relays Size S00 screw terminal 53/54, 63/64, 73/74, 83/84 Physically coded; only with contactor relays 3RH2140* and 3RH2440* can be combined (according to EN 50011)
Auxiliary switch on the front, 4 NO Current path 1 NO, 1 NO, 1 NO, 1 NO for contactor relays Size S00 screw terminal 53/54, 63/64, 73/74, 83/84 for 3RH2140/3RH2440 acc. to EN 50011 Physically coded; only with contactor relays 3RH2140* and 3RH2440* can be combined (according to EN 50011)
