Siemens 3RT1045-3A Power Contactor 22kW 80A

The power contactor, also known as motor contactor, current contactor, or switching contactor, with type number 3RT1045-3A from Siemens is an electrical auxiliary contactor from the power contactor category, designed for switching and controlling electrical loads in industrial applications. It is designed for a power of 22 kW and a current of 80 A. It has dimensions 7 x 14 x 14 cm and weighs 3 kg. Power contactors are used to safely switch and control electrical circuits under load, particularly in motors, heating systems, and lighting installations. They enable process automation and protect systems from overload. Typical applications are found in mechanical engineering, automation technology, building management systems, and power distribution. The component is compatible with machines from manufacturers including Mitsubishi, Otis, Kone, Hitachi, S, TKE, Fujitec, Toshiba, Hyundai, Sigma, SJEC, Monarch, STEP, and Canny.

power contactor, designed for industrial applications