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Basic switch Plastic enclosure 40 mm according to EN 50041 Device connection 1x (M20 x 1.5) 1 NO/2 NC slow-action contacts with M12 connector, 4-pole 2 NC connected Pin assignment: Pin1=21, Pin2=22 Pin3=31, Pin4=32 max. 250 V and 4 A with Teflon plunger

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