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=40 x 40 x 62 mm, design=40x40, installation=flush, range=20 mm, switching output=PNP normally open/closed (NO/NC), switching frequency=400 Hz, housing material=PBT, surface protection=partially coated, active surface, material=ceramic coated, 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=cULusCEEACWEEE, additional properties=weld-proof