SIEMENS auxiliary switch, on the front, 2 NO + 2 NC, 22 U, .7/.8, .7/.8, .5/.6, .5/.6, current path: 1 NO (leading), 1 NO (leading), 1 NC (lagging), 1 NC (lagging), screw terminal, for contactors 3RT2 and contactor relays 3RH2
SIEMENS function module for AS-i, reversing start, spring-loaded terminal, can be snapped on at the front on communication-capable contactor 3RT20…-…..-0CC0
