plural of knife switch

plural of underload switch

A switch that opens a circuit when the current falls below a certain predetermined value, used to protect certain types of motor from running at excessive speed upon decrease of load.

plural of switching function

(logic) Synonym of Boolean function

Synonym of point switch

plural of reed switch

An electrical switch operated by an applied magnetic field that causes two flexible metal reeds to come into contact.

An electromechanical device which connects an input to one of a number of outputs according to how many electrical pulses it has received on its input.

A type of stepping switch able to select on two axes, formerly widely used in telephone exchanges.