Thermal Unit Trip Class 20 Overload Protection Type Melting Alloy Full Load Current 10.6 to 11.2 A 10.6 to 11.3 A 11.1 to 11.9 A 11.3 to 12 A 11.4 to 12 A 11.6 to 12 A 11.9 to 12 A 11.9 to 12.7 A 11.9 to 13.2 A 12.4 to 13.7 A 12.9 to 13.9 A 13 to 13.9 A 14 to 15 A 14.2 to 15.7 A 14.4 to 15.7 A NEMA Size 0 00 1 1P 2 Frame Size B S