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
8430 Spires Way, Suite A, Frederick, MD 21701

We support companies throughout the United States. Some of our most active service areas are: Delaware, Maryland, New Jersey, Pennsylvania, Virginia

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