Siemens 3RT2035-1AC20 Three-Phase Power Contactor

The Siemens SIRIUS 3RT2035-1AC20 is a three-pole power contactor rated 41 A and 18.5 kW at 400 V for AC-3e motor starting, with a 24 V AC coil at 50/60 Hz. It includes one normally open and one normally closed auxiliary contact, with screw terminals, in size S2, compatible with screw fixing or snap-on mounting on TH 35 DIN rails. The main circuit insulation rating is 690 V, with a 6 kV surge rating and a coil-to-main protective separation rating of 400 V; the coil consumes 6.6 W total (2.2 W per pole) at rated current. Weight is 0.988 kg; operating temperature range is −25 to +60 C; installation altitude up to 2,000 m; humidity up to 95% at 55 C; typical mechanical life up to 10,000,000 cycles.