Siemens 3RT1017-2BB42 Contactor

The contactor, also known as a magnetic contactor, power contactor, or load contactor, with type number 3RT1017-2BB42 from Siemens is an electrical switching device from the field of contactors. It is designed for a coil voltage of 24V and can switch motors up to 5.5 kW at 400V in AC-3 operation. Furthermore, it features an auxiliary contact with one normally closed contact (1NC). It has the dimensions 10 x 5 x 10 cm and weighs 0.27 kg. Contactors are used for switching loads, especially electric motors, heaters, and lighting systems in automation technology, mechanical engineering, and building installation. They enable the remote switching on and off of large currents and provide protection against overload and short circuit in industrial plants.

24V AC-3: 5.5kW 400V 10E 1NC