Magnetic switch switching element round M30 switching elements 1NO+1NC with M12 connector 4-pin Pin1=21, Pin2=22 Pin3=13, Pin4=14, required switching magnet 3SE6704-1BA coupling with connecting cable 5 m 3SX5601-3SB54 Magnetic switch SIRIUS 3SE66 for space-saving, tamper-proof monitoring of protective grilles, flaps or safety doors.The contactless coded devices are small and compact and therefore suitable for confined spaces. They meet the highest safety requirements according to PL e or SIL 3. Their wear-free switching guarantees a long service life.They are available in different shapes and sizes. Different combinations of switching elements and cable lengths, versions with LED for quick diagnosis and plugs for quick connection are available.Spacers and various couplings with connecting cables in different lengths are available as accessories.Safety is a SIRIUS business.