Basic switch for position switch 3SE5112, metal housing, 56 mm, 3x (M20x 1.5), 1S/2Ö, slow contacts with overlap without actuator head. Mechanical safety switches SIRIUS 3SE5 for detecting positions and locations of machine parts as well as for monitoring the position of safety devices. The modular design of the 3SE5 position switches allows for a wide variety of configurations with a small number of stock types. The large variety of connectors and rollers meets nearly all requirements in industrial everyday life. LEDs indicate the current status of the device. Thanks to quick connection technology, connection times can be significantly reduced. Switching points and mounting according to EN 50047 and EN 50041. The devices are globally certified (IEC, UL). With the appropriate switch configuration, the highest safety requirements according to PL e or SIL 3 can be met. The integrated ASIsafe electronics require low power consumption. Various housing sizes with different switching elements in plastic or metal or compact design are available. Some variants are optionally available with LED status display and M12 connector. The 3SF1 series with direct connection to the AS-Interface bus system completes the portfolio. Depending on the version, accessories such as actuator heads and connectors as well as additional mounting and connection accessories are available. Safety is a SIRIUS business.