auxiliary switch, on the front, 2 NO + 2 NC, 53/54, 61/62, 71/72, 83/84, current
path: 1 NO, 1 NC, 1 NC, 1 NO, spring-loaded terminal, physically coded, only with
contactor relays 3RH2140 and 3RH2440 combinable (according to EN 50011)
Cable-operated switch and lever Metal enclosure, 2 x M25 x 1.5; 2 NO+2 NC, latching EN ISO 13850 and pushbutton release, 2-sided operation for wire lengths up to 2 x 100 m