Thermal Cutoffs Model: RS87 Type: fuse Specifications: 500V/1250A, 500V/1400A, 500V/1500A, 500V/1600A, 660V/1250A, 660V/1400A, 660V/1500A, 660V/1600A, 690V/1250A, 690V/1400A, 690V/15 00A,690V/1600A