STACO 501 or 501-B Variable Autotransformer Mounting Template
grabcad
Use as template to create your own mount for the STACO 501 or 501-B (and maybe others) variable autotransformer. I used 3mm button socket head screws for indicator plate and 0.25 in. SHCS elsewhere. 0.25-20 in. nuts provided perfect spacing between the transformer and the 16ga. (0.06 in.) stainless steel mounting plate. Couldn't find anything CAD related for 501 online but finally found old catalog with hole spacing. Picked up this NOS/Made In USA component for $20 locally to vary input to HV power transformer's primary. CAD and DXF.
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