Siemens 3RT2317-1AK60 Three-Phase AC Contactor

Siemens 3RT2317-1AK60 is a compact SIRIUS 3RT2 four-pole AC contactor (size S00) with screw terminals, featuring four normally open main contacts for reliable switching of three‑phase loads and an optional auxiliary contact block. It delivers an AC‑1 rated current of 22 A at up to 400 V, with a maximum main‑circuit voltage of 690 V (50/60 Hz), and its coil is available as 110 V AC at 50 Hz or 120 V AC at 60 Hz. The device is built for industrial environments, operating from −25 to +60 °C, up to 2,000 m above sea level, with up to 95% humidity, and it offers about 30 million mechanical switching cycles (10 million cycles with the auxiliary switch block).