AT-10B Converting 480V to 240V for Primary Injection Testers

Operate your ETI PI-1600 or PI-800 circuit breaker testers at full-capacity interchangeably on both 240 and 480 VAC supplies.

ETI’s AT-10B autotransformer steps-down 480V outputs to 240V outputs. This portable autotransformer allows ETI’s PI-1600 or PI-800 circuit breaker testers to be used at full-capacity on 240 and 480 VAC lines. The unit provides 240 VAC at 10 kVA, is housed in a rugged ABS enclosure approximately 22″ x 11″ x 22″, and weighs less than 125 lbs.

Electrical Test Instruments, LLC
D/B/A ETI Precision
8430 Spires Way, Suite A
Frederick, MD 21701


Phone: 410-857-1880
Fax: 410-857-1387
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