Features:Interrupted design protects electrical system components and wiring.Mainly used for protecting the electrical circuit against overload and short circuit, it also derive for protecting the semiconductor objects. NOTE:1. Shut down power before your replacement.2. Check your original size of fuse before buying: body diameter, body length, rated current, rated voltage. Specifications:Material: Ceramic Tube, Nickel-plated Brass End CapRated Voltage: DC 500 VoltRated Current: 20 ADiameter: 10mm / 0.4 inchLength: 38mm / 1.5 inch Package Contents:2 x Replacement Fuses