China Custom Inch Hi-Amp 2A~7.5Amp 1/2 TO-220 PCB Disc Thermostat Brand (JUC 31F系列, 6700, 67F070, KSD-01F) Choice and Price Advantage. Global high current ST01 B U6 TO-220 Thermal Cutoff Switch certifications include: UL認證, CUL系列, CQC質素控制, TUV公司, CB系列.