Utility Relay Company B-292 AC-PRO and AC-PRO-II Test Set

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The Utility Relay Company B-292 is a secondary injection test set designed to test the AC-PRO® and AC-PRO-II® trip units. Utility Relay Company B-292 test sets test pick-up and time delays of the various protection functions by driving current into the trip unit on the secondary side of the CT circuit. The test set will test 60, 50, 40 or 25 Hz AC-PRO® trip units. The test set will test the AC-PRO® or AC-PRO-II® trip system with the exception of the CTs and associated wiring harness.