Siemens 3RT1045-3BB40 Power Contactor AC-3 80A

The Power Contactor AC-3 80A, also known as motor contactor or main contactor, with the type number 3RT1045-3BB40 from Siemens is an electrical switching device for controlling and switching electrical loads. It has dimensions of 15 x 15 x 10 cm and weighs 3 kg. Power contactors are primarily used in industrial automation technology to safely switch on and off electric motors and other large electrical consumers. Typical applications include pump controls, ventilation systems and conveyor technology, as well as heating and lighting systems.