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