Receptacles V1S-M16-500, Receptacles, M12/M16, 4-pin, Panel Receptacles, Front/screw mounting, Metal locking, Simple assembling of 2 signals to one M12 plug-in station, Two double cable seals included in the delivery package, Suitable for cable diameters 2 ... 3 mm und 4 ... 5 mm, UV resistant, UL listed for USA and Canada