Issue:
480 Vac Delta systems incompatibility with NF panelboards
Product Line:
Panelboards
Environment:
NF panelboards
Cause:
Application, Installation, Rating
Resolution:
The EDB branch breakers used for NF panels have a maximum single pole voltage of 277V. On a 480V delta system, a single pole would see 480V which is more than the branch breakers are rated for.
480 Vac Delta systems incompatibility with NF panelboards
Product Line:
Panelboards
Environment:
NF panelboards
Cause:
Application, Installation, Rating
Resolution:
The EDB branch breakers used for NF panels have a maximum single pole voltage of 277V. On a 480V delta system, a single pole would see 480V which is more than the branch breakers are rated for.