Thermal Unit, Full Load Current 3.53 A, 3.71 to 4.06 A, 4.03 to 4.43 A, 4.08 A, 4.3 A, NEMA Size 0, 1, Compatible with Series CR1062R, CR1062S, Compatible with Grainger Part Number 3HXY9, 3HXZ1, Compatible Manufacturer Part Number CR306B002, CR306C002