HousingCylindrical thread design HousingStandard design Thread sizeM12 x 1 DiameterØ 12 mm Sensing range Sn4 mm Safe sensing range Sa3.24 mm Installation typeFlush Switching frequency2,000 Hz Connection typeMale connector M12, 4-pin Switching outputPNP Output functionNO Electrical wiringDC 3-wire Enclosure ratingIP67 1)