Executone, std-and pillow speaker
Dukane std (non-pillow speaker station)
Picker Briggs std. and pillow speaker
Edwards - Altec std. station
Sylvania std. station
Auth - All stations with no holding relays
built in...
Normally open contacts, blowing into soft
straw mouthpiece makes contact that is
maintained until reset button (on top of
plug at wall station) is pushed down
(depressed). No system relay is required.
Electrical plug is rated 1/3 amps
24 volt AC/DC

Additional information

Weight 3.1 lbs
Dwyer Precision preloader