Trusens proximity switch trusens r15 3 proximity switch with magnet cylindrical type 15mm sensing range 100v dc 125v ac switching voltage 0 5a switching current spno contacts 40 to 60 c flying lead connection 150mr contact resistance a compact proximity switch comprising a permanent magnet moulded into a flush housing and a single pole normally open reed switch moulded into a similar flush housing trusens r15 3 proximity switch with magnet