Siemens 3RT2038-1AG20 is a three-pole power contactor from the SIRIUS 3RT2 family, designed for AC-3e/AC-3 duty in motor control applications. It is rated for 80 A and 37 kW at 400 V, with a 110 V AC coil operating at 50/60 Hz, enabling reliable direct control of medium-size three-phase motors. The unit includes one normally open and one normally closed auxiliary contact (1 NO + 1 NC) and uses screw terminals, with a size designation of S2 in the 3RT2 family. Typically used to switch three-phase motors in industrial equipment, this model provides robust AC-3 switching for motor control while offering straightforward integration with standard control circuits.
