On eBay Now...General Radio W-50H 25 AMP Variac Panel Mount Variable Autotransformer Powerful For Sale
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General Radio W-50H 25 AMP Variac Panel Mount Variable Autotransformer Powerful:
$400.00
General Radio W-50H 25 AMP Variac. Please read specs in picture. This is rated at 25 amps when connected with either 120V or 240V single phase. Rated 25 amps CONTINUOUS DUTY. The last 2 pix show close-ups of the huge carbon brush assembly needed to take off all that current at wall supply voltages. The third-to-last pic shows the high-current wire braid connections used to connect to the carbon brushes (which are directly underneath). General Radio perfected the variable autotransformer and named their invention a VARIAC which has become the common usage name for one of these. So this is the original name brand made with USA quality, Looks and works as it was designed. If you are a professional, then you know what kind of continuous service this unit is capable of. Shipping weight is 70 pounds. It will ship in the original molded hard styrofoam General Radio packaging. It comes with the original manual dated July, 1968 so I think that is when this was made. They don't make 'em like they used to! .
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