Immune to Hostile Environments Solid State, magnetic proximity sensors in adjustable threaded housing. High-Speed Capability Reverse Battery Protection to -24Vdc Sinking (open collector) output Operated by north pole of a magnet MP100105 and MP100106 use Omnipolar GMR Sensing Element for Extra Wide Airgap South Pole Sensitive (except MP100105 and MP100106) M12 Integral Connector Meets IEC