An interrupter is a motorized switch assembly used in most 1A2 phone systems to turn the lights and ringers on and off with the proper intervals.

It consists of a rotating camshaft that causes switch contacts to touch and separate as the camshaft turns.

We have a variety of 1A2 interrupters in stock.


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1A2 interrupters. Various types. FREE SHIP. (Don't order online--call.)