A fast acting fuse is designed to open very quickly when the applied current exceeds that of the fuse rating. The fast acting fuse is not designed to withstand temporary overload (surge) currents associated with some electrical loads such as motors and charging capacitors. UPC: 740265606479 Manufacturer Part No: 60647 Brand Name: Jandorf Sub Brand: AGW Amps: 4 amps Number in Package: 4 pk Product Type: Fast Acting Fuse UL Listed: No Application: Electronic Circuits CSA Listed: No Endcap Construction: Plated Brass Packaging Type: Carded Tamper Proof: No Tube Construction: Glass Individual Product Diameter: 1/4 in. Individual Product Length: 7/8 in. Volts: 32 V California residents see Prop 65 WARNINGS WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov