1.With ENEC/UL approved micro switch 2.Door switch used for automatic selling machine,coumunication equipment door switch,etc 1. ... basic switch plunger must have 0.18 min releasetravel13. Widely used in Appliance,automat,Office appliance,computer/Business service,test machine ... ,medical equipment,coumunication equipment,etc automatic selling machine door switches,ENEC,UL approved ...