Mushroom or half-dome
Twist-to-release or key release
Maintained or spring return
Single turn potentiometer
Key selector switches
30 and 40 mm
Reset push button
Illuminated or non-illuminated
800FP plastic operators
Flush or extended 2-color molded legend caps
2-, 3-, and 4-position
Panel mount sounder
Pilot light operators
Multi-operators
Momentary or alternate action
22.5 mm mounting hole
800FM metal operators
Selector or toggle switch
Plastic or aluminum