The Utility Relay Co. B-292 Secondary Injection Test Set Is A Single-Phase Test Set Specifically Designed For Testing The Operation Of The AC-PRO And AC-PRO-II Microcontroller Based Trip Units Manufactured By Utility Relay Co
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
Test Set Will Test 60, 50, 40 Or 25 Hertz AC-PRO® Trip Units