SIRIUS S2 power contactor — 52 A AC-3 at 480 V
The Siemens SIRIUS 3RT2036-1AH20 is a size S2 power contactor rated for 52 A in AC-3 duty at 480 V, making it a direct fit for switching three-phase motor loads up to that current in 480 V distribution.
Thermal and mechanical endurance
Rated for 10 million mechanical operations typical. Maximum switching frequency at AC-3 is 800 1/h, at AC-4 it drops to 250 1/h — the AC-4 figure governs applications with frequent inching or plugging.
