Thermal Unit Trip Class 20 Overload Protection Type Melting Alloy Full Load Current 4.69 to 4.98 A 4.92 to 5.23 A 4.94 to 5.21 A 5.19 to 5.51 A 5.2 to 5.73 A 5.21 to 5.53 A 5.22 to 5.51 A 5.32 to 5.65 A 5.54 to 6.09 A 5.67 to 6.03 A 5.74 to 6.35 A 6.12 to 6.52 A 6.26 to 6.83 A 6.28 to 6.85 A NEMA Size 0 00 1 1P 2 Frame Size B S