"Low profile magnetic safety switches, designed to operate in all positions in severe environments: dust, dirt, etc. Ideal where mechanical systems are impractical. Output on cable (2 or 6 metres), 2 conductors. The switch unit and the magnet are easily adjustable.Supply Voltage = 250 V acSafety Contacts = NCHousing Material = PlasticRange = FerrogardSeries = 440NIP Rating = IP67Actuator Included = YesSensor Principle = MagneticActuator Type = MagneticSafety Category = 1"