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, 2 NO + 2 NC Current path 1 NO, 1 NC, 1 NC, 1 NO for 3RH and 3RT screw terminal .3/.4, .1/.2, .1/.2, .3/.4

Auxiliary switch lateral, 1 NO + 1 NC Current path 1 NC, 1 NO for 3RH and 3RT screw terminal R: 21/22, 33/34 L: 41/42, 53/54

Auxiliary switch on the front, 1 NO Current path 1 NO Connection from top for 3RH and 3RT screw terminal 73/74

Contactor relay, 4 NO, 24 V DC, Size S00, screw terminal

Contactor relay, 3 NO + 1 NC, 24 V DC, Size S00, screw terminal

first lateral auxiliary switch 1 NO, 1 NC, screw terminal, for contactors 3RT1

first lateral auxiliary switch 1 NO, 1 NC, screw terminal, for contactors 3RT1

front-side auxiliary switch, 1 NO contact, screw terminal, for contactors 3RT1

front-side auxiliary switch, 1 NC contact, screw terminal, for contactors 3RT1