|Mini-Breathcall now sold with black clamp only|
8-pin Din Plug Rauland and Jeron Systems Standard Nurse Call.
Momentary contact type. Normally open contacts, blowing into soft straw mouthpiece makes momentary contact and system relay holds call signal until reset button at bed or central nurse station is depressed. Electrical plug is rated 1/3 amps 24 volt AC/DC