Siemens 3RT2036-1AC20 is a three-pole power contactor (size S2) in the Sirius 3RT family, designed for AC-3e/AC-3 motor switching at 400 V with a rated current of 51 A and a motor power rating of 22 kW. It is energized by a 24 V AC coil at 50/60 Hz and provides one normally open and one normally closed auxiliary contact, wired through screw terminals for secure connections. This configuration makes it suitable for switching three-phase motors in typical industrial control circuits where reliable coil operation and straightforward wiring are important.
