Robertshaw 66004 Series Infinite Switches 66004-AF120
Robertshaw Infinite Switches were designed primarily to help control the temperature of a vessel on a household electric range. They allow an infinite number of heat selections.
The infinite is a rotary switch that controls the power dissipated by a heating element. Control is attained by regulating the ratio of time between the opening and closing of the contacts. The cam can provide virtually any infinitely adjustable performance. Housing and cam are molded from general purpose phenolic plastic (heat resistant).
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