Drive head: Spring rod for 3SE51/52 position switch, only with snap-action switches, total length 142.5 mm, spring = 50 mm, plunger = 50 mm, made of plastic drive head for SIRIUS 3SE5 position switches for position and position detection of machine parts and position monitoring of protective devices.The modular design of the 3SE5 position switches enables a variety of variants with a small number of bearing types. The wide variety of plug and rollers meets almost all requirements in industrial everyday life. LEDs indicate the current status of the device. Thanks to quick connection technology, connection times can be reduced considerably. Switching points and fixing to EN 50047 and EN 50041. The devices are approved worldwide (IEC, UL). The highest security requirements can be established according to PL e or SIL 3 must be satisfied. The integrated ASIsafe electronics requires a low current consumption. Different housing sizes are available, with different switching elements, in plasti