Thermal Unit Trip Class 20 Overload Protection Type Melting Alloy Full Load Current 4.23 to 4.68 A 4.44 to 4.91 A 4.49 to 4.93 A 4.69 to 5.18 A 4.7 to 5.2 A 4.73 to 5.21 A 4.8 to 5.31 A 4.89 to 5.19 A 5.11 to 5.66 A 5.17 to 5.53 A 5.3 to 5.73 A 5.53 to 6.11 A 5.69 to 6.27 A 5.92 to 6.25 A NEMA Size 0 00 1 1P 2 Frame Size B S