Vintage Staco Energy Products Variac (Variable Autotransformer) – Model 1020B. This unit allows smooth, adjustable AC voltage output and is commonly used for electronics testing, repair work, and lab applications. Specs: • Input: 120V AC, 50/60Hz • Output: 0–140V AC • Current: 3.5 Amps • Rating: ~980 VA • Model: 1020B • Made in USA Condition: • Good vintage condition • Includes original control knob and mounting faceplate • Untested (or say “tested and working” if you verify) • Shows normal cosmetic wear from age/use Notes: • No outer case/enclosure included • Sold as shown in photos
eBay