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