Honeywell Analytics E3M Sensor Cartridge Els PW 17895 this normally closed (NC) switch
Baker’s notes & crumb story
Description
Honeywell Analytics E3M Sensor Cartridge Els PW 17895 this normally closed (NC) switch this normally closed (NC) switch automatically opens the electrical circuit when the plenum temperature exceeds the 180°F safety threshold and non flammable gas applications where copper alloys are permissible