Auxiliary switch on the front, 3 NO + 1 NC Current path 1 NO, 1 NC, 1 NO, 1 NO for contactor relays Size S00 spring-type terminal 53/54, 63/64, 73/74, 83/84 Reusable packaging = 321 units Physically coded; only with contactor relays 3RH2140* and 3RH2440*
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