Schneider Electric CA3KN403BD3 Auxiliary Contactor

The auxiliary contactor, also known as control relay, switching relay, or auxiliary relay, from Schneider Electric with type number CA3KN403BD3 is an electrical relay for control and signaling in electrical circuits. It has the dimensions 7 x 7 x 5 cm and weighs 0.22 kg. Auxiliary contactors are used to switch electrical circuits, transmit signals, and implement complex control functions in machines and systems. Typical applications are found in automation technology for controlling motors and valves, as well as in control systems of industrial plants and production machines.