1 0.99 0.98 0.97 0.96 0.95 0.94 277V A C 230V A C 0.93 0.92 115V A C 0.91 0.9 0.89 0.88 0.87 0.86 0.85 50% 60% 70% 80% 90% 100% 96 94 92 90 88 86 84 82 80 78 76 74 72 70 277VAC 230VAC 115VAC 1 2 3 4 5 LOAD 6 7 8 9 10