Siemens 3RT1017-1WB41 Power Contactor

The power contactor, also known as main contactor, line contactor or current contactor, from Siemens with type number 3RT1017-1WB41 is an electrical (auxiliary) contactor used for remote control and switching of electrical loads. It has the dimensions 8 x 6 x 5 cm and weighs 0.25 kg. Power contactors are designed to safely switch and control larger currents in electrical circuits by opening or closing the power supply to devices such as electric motors, heaters or lighting systems. Typical applications include industrial automation, motor controls for pumps and conveyor systems, and building technology for heating and air conditioning systems.