Issue:
E Frame breakers suitability for grounded B phase use.
Product Line:
E Frame Breakers
Resolution:
EDB, EGB, and EJB 2 pole breakers are UL Listed for use on 240 V corner grounded delta systems (grounded B phase).
3 pole E frame breakers can also be used on grounded B phase systems up to 240 V as they are a 480/277 VAC rated device. (NEC 240.85 - 2017)
E Frame breakers suitability for grounded B phase use.
Product Line:
E Frame Breakers
Resolution:
EDB, EGB, and EJB 2 pole breakers are UL Listed for use on 240 V corner grounded delta systems (grounded B phase).
3 pole E frame breakers can also be used on grounded B phase systems up to 240 V as they are a 480/277 VAC rated device. (NEC 240.85 - 2017)