The PF-KB1-40 from Bourns is an Electric Vehicle Fuse that is designed to protect high-voltage accessory circuits in electric vehicles (EVs) and hybrid electric vehicles (HEVs). It has a voltage rating of 275 V (AC) and a current rating of 40 A. This RoHS-compliant fuse link can handle a breaking current surge of 10 kA and has a resistance of 0.0017 ohms. It is available in a screw-mount package that measures 65.5 x 10.3 mm.