Schneider Electric LUA1C20 Auxiliary Contact Block

The auxiliary contact block, also known as auxiliary contact, additional contact or signaling contact, from Schneider Electric with type number LUA1C20 is an electrical contact switch that functions as an integral part of contactors from the auxiliary contactor category to realize additional switching functions in control circuits. It has the dimensions 7 x 2 x 2 cm and a weight of 0.7 kg. Auxiliary contact blocks extend the functionality of main contactors by providing feedback on the switching status or enabling interlocks in complex control systems. They are typically used in machine controls, automation systems and industrial plants to monitor switching states and realize logical links.