Comus low cost plastic proximity switches comus mcs 121 1wsw side cable reed proximity switch 20mm sensing range 100v ac switching voltage 05a switching current normally open contacts 25 to 70c cable connection 015r contact resistance plastic housing the switches have a side exit cable and a snap off flange which offers flexibility in fitting by choosing to either use the two screw locating holes in the switch housing or the adhesive pad fitted to the switch body if screws are