Position switch Basic switch Metal, 40 mm, according to EN 50041 increased corrosion protection Device connection 1 x (M20 x 1.5) 1NO/1NC Snap contacts functional at -40 °C Shock and vibration test according to DIN EN 61373, Category 1B Mechanical position switches SIRIUS 3SE5 for position and location detection of machine parts and position monitoring of protective devices for extreme environmental conditions down to -40 °C, e.g. in wind turbines, in the food industry or for railway applications. Due to their high degree of protection, the devices are suitable for use in extreme environmental conditions. They have increased corrosion protection, are shock and vibration tested and approved worldwide (IEC, UL). With the appropriate switch configuration, the highest safety requirements according to PL e or SIL 3 can be met. Various housing sizes in plastic or metal are available. Versions with separate actuators or with guard locking are also available. Depending on the version, various drives and separate actuators are available as accessories. Safety is a SIRIUS business.