Auxiliary switch on the front, 1 NO + 3 NC Current path 1 NO, 1 NC, 1 NC, 1 NC for contactor relays Size S00 spring-type terminal 51/52, 61/62, 71/72, 81/82 Reusable packaging Pack = 321 units Physically coded; only with contactor relays 3RH2140* and 3RH2
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