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 Multi-unit packaging = 60 units for 3RH2140/3RH2440 Physically coded; only with contactor relays 3RH2140* and 3
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