Thermal Unit Trip Class 20 Overload Protection Type Melting Alloy Full Load Current 3.51 to 3.73 A 3.68 to 3.91 A 3.76 to 3.98 A 3.77 to 4 A 3.86 to 4.1 A 3.88 to 4.13 A 3.95 to 4.19 A 4.01 to 4.4 A 4.06 to 4.94 A 4.22 to 4.49 A 4.23 to 4.65 A 4.25 to 4.54 A 4.54 to 4.89 A 4.78 to 5.27 A NEMA Size 0 00 1 1P 2 6 Frame Size B S