Output Volts: 115 (50-60 Cycles). Plug Input Type: A.
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The product is a vintage STACO Energy Products Type 250 BU variable autotransformer, suitable for single-phase AC systems with a primary voltage rating of 120V. Made in the United States, it is new in its original box, ensuring quality and reliability for industrial and commercial applications. The autotransformer offers versatile voltage regulation capabilities, making it a valuable addition to electrical equipment and supplies for businesses and industries seeking efficient power transformation solutions.
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Condition is used. See photos for details.
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Good tool in good condition.
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If there’s an issue just let us know and we will get you taken care of. Always refer to photographs for the item's condition.
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eBay
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
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