Siemens 3SU1000-4WS10-0AA0

The Siemens 3SU1000-4WS10-0AA0 is a key-operated switch designed with a 22mm round black plastic housing. This switch features four distinct positions—off, I, II, and III—each activated by a 45-degree turn of the key, providing precise control over your application. It uses RFID technology for secure operation but is supplied without the ID key itself. This model is available through BSP Automation, offering a reliable solution for systems requiring secure and flexible switching options.