Siemens 3RT1017-1BB41 Contactor

The contactor, also known as power contactor, current switch or remote switch, from Siemens with type number 3RT1017-1BB41 is an electrical switching device from electrical engineering for the safe control of load circuits. It has the dimensions 8 x 6 x 5 cm and weighs 0.25 kg. Contactors are used for switching and controlling electrical loads, especially electric motors, heaters and lighting, in automation and power distribution systems. They enable the remote control of circuits and protect them from overload and short circuit in combination with overload relays. Typical applications are found in mechanical engineering, process automation and industrial control systems. They are frequently used for controlling electric motors in pumps, fans and conveyor systems, as well as in building automation for lighting and heating systems.