
Siemens 3SU1100-1HB20-1CF0
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The Siemens SIRIUS 3SU1100-1HB20-1CF0 is an emergency stop mushroom pushbutton for 22 mm mounting, developed for reliable machine safety and industrial control panel applications. This round plastic operator features a red 40 mm mushroom head with a yellow backing plate, ensuring high visibility on machines, production lines and operator stations.
With positive latching and rotate-to-unlatch operation in accordance with EN ISO 13850, this emergency stop pushbutton supports safe and intuitive use in demanding industrial environments.
Supplied with holder, 1 NC contact and screw terminals, it enables efficient installation and dependable wiring for panel builders, OEMs and maintenance teams.
For control cabinets, machinery and automation systems, this Siemens emergency stop device is a solid choice when clear signaling, robust operation and safety-focused components are required.