The Siemens 3RT1064-6AP36 is a heavy-duty SIRIUS power contactor for industrial motor control and switching. It features 3-pole design, 225A AC-3 rated current, controls loads up to 110kW at 400V, and operates on 220–240V AC/DC coil voltage. Equipped with 2NO+2NC auxiliary contacts, screw terminals, and size S10 frame, it offers stable performance, high surge withstand, and reliable long-term operation. Suitable for pumps, fans, compressors, conveyors and other heavy industrial applications, compliant with IEC, UL and CSA standards.