position switch with plain plunger,stainless steel plunger metal enclosure 40 mm according to EN 50041. device connection with M12 plug, 5-pole, fixed 1 NO/2 NC quick action contacts (2 NO and PE connected) maximum 125 V, 4 A. Pin1=21, Pin4=22 Pin2=31, Pin5=32 Pin3=PE. suitable for connection to all SIMATIC ET200* compact block I/O modules.