Special Features:

1) station, wire lead type terminals, ten dial positions, not illuminated, black wheel with white inscription, no mtg hardware to be furnished, dial inscription to be numeric zero through nine with no dial stops, internal radio freq interference shielding, terminals to be color coded one brown one red one yellow and one grey terminal per station

Properties:

A switch which is externally actuated by a thumbwheel and/or pushbutton. A legend or message is visually displayed at each position of the indicating wheel which corresponds to electrically coded output. Electrically coded output is achieved by rotating a set of brush contacts permanently attached to the code indicating wheel, against a stationary commutator which is usually a printed wiring board having electrical pads or contacts which are interconnected by the rotating brush contacts. May have additional electrical components (such as resistors, capacitors, diodes) premounted on that portion of printed wiring board which extends beyond the back of switch housing.