With an additional ceramic coating, these sensors are resistant to metal splashes, slag and combustion residues. And they perform with the highest precision in every application. Dimensions=Ø 18 x 55 mm, design=M18x1, installation=quasi flush, range=12 mm, switching output=PNP normally open (NO), switching frequency=600 Hz, housing material=brass, surface protection=coated, PTFE, active surface, material=PPS, connection=plug connector, M12x1 plug, 4-pin, operating voltage Ub=10...30 VDC, ambient temperature=-25...70 °C, magnetic field resistant=magnetic field resistant (AC/DC), protection class=IP67, approval/conformity=CEEACcULusWEEE, additional properties=factor 1 weld-proof