Definitions for "METAL OXIDE VARISTOR"
Keywords:  mov, transient, surge, spikes, voltage
an inexpensive yet super-fast acting device designed to create a short circuit across the line if the voltage across its terminals exceeds the breakdown point of the MOV
A semiconductor device that acts as a safety valve to absorb high voltage transients harmlessly, thereby protecting the SCRs and preventing false firing.
A type of lightning arrester which offers high resistance to low voltages, and low resistance to high voltages. Placing a MOV from a conductor to ground causes high voltage spikes to short-circuit to ground.