ACB
ACB with Under Voltage Trip Coil(UVT) doesn't close.
If your ACB doesn't close, Check your ACB product code to see if Under Voltage Trip Coil(UVT) has been installed. If it has, the UVT must be energized through D1/D2 terminal to close the breaker.
ACB Manaul Reset Button (MRB)
If your ACB doesn't close, Please see if the ACB has the manual reset button(MRB) and it is put together properly. By pushing the button and seeing if the button comes back out, you can check MRB button. If it doesn't come back out, it must be put ...
ACB Auto discharge
If you experience spring discharge when you are charging with Manual charging handle of Draw-out type ACB below, UAS-0000-00A (Draw-out type) UAH-0000-00A (Draw-out type) UAW-0000-00A (Draw-out type) UAA-0000-00A (Draw-out type) Make sure the pin in ...
ACB(Draw-out type) Site Check List
ACB STU Error Codes with Cause and Remedy
The following ACB Smart Trip Unit (STU) Error Codes showing Cause and Remedy. Please refer to the following attachment. LSEA Applications Team