The Siemens SIRIUS 3RT1035-1AN60-1AA0 is a size S2 power contactor rated for motor switching up to 22 kW at 500 V in AC-3 duty, and 11.4 kW at 690 V. It also carries an AC-2 rating of 18.5 kW at 400 V, covering wound-rotor motor or slip-ring applications where the switching frequency is lower. The 55 mm width and 112 mm height fit a standard DIN-rail enclosure bay; depth is 115 mm including the arc chamber.
Environmental and operating limits
The contactor is rated for 50/60 Hz coils with a control voltage tolerance of 0.8 to 1.1 times rated at 50 Hz, and 0.85 to 1.1 at 60 Hz.
