The Siemens 3RH2911-1FC22 Auxiliary Switch is a front-mounted accessory designed for use with 3RT2 contactors and 3RH2 contactor relays. It provides 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, enabling expanded control and signaling functions within industrial automation systems.

This auxiliary switch is installed directly on the front of compatible devices, allowing quick and space-efficient integration without additional wiring complexity. The screw terminal connections ensure secure and reliable electrical connections.

Built to Siemens’ high-quality standards, this accessory ensures long-lasting performance and dependable operation in demanding industrial environments.