277v 480y cart 3p schneider b10a supplementary Schneider electric 24146 b10a supplementary protector, 480y/277v, 3p Common electrical services
Common Electrical Services - PVeducation.com
Phase wire diagram wiring three 277v 480v 240v 208v electrical transformer single wye service services colors four common electric pveducation
Common Electrical Services - PVeducation.com
Schneider Electric 24146 B10A Supplementary Protector, 480Y/277V, 3P