Siemens 3RH2140-1BB40 Auxiliary Contactor

The electrical auxiliary contactor, also known as control contactor, control relay, or switching relay, with type number 3RH2140-1BB40 from Siemens, is a switching device for control circuits. It is designed for size S00 and features 4 normally open contacts and a control voltage of 24 V DC. Connection is made via screw terminals. The device has dimensions 10 x 5 x 10 cm and weighs 0.3 kg. Auxiliary contactors serve to process signals in control circuits, implement complex interlocking functions, or provide galvanic isolation. Typical applications include industrial automation, mechanical and plant engineering, and building technology for controlling motors, lights, or other loads.

Hilfsschütz Baugröße S00 Hilfskontakte: 4 x Schließer Steuerspannung: 24 V DC Schraubanschluss