The LITTELFUSE 03420004HXP is a panel mount fuseholder specifically designed for 3AG fuses. It's constructed with copper and copper alloy terminals, tin plated (except for quick-connect terminals which are nickel plated). The molded parts are made of black thermoplastic (UL 94V0). This fuseholder is rated for 20 amperes and boasts a dielectric strength of 2400 volts, making it suitable for a wide range of industrial applications. It is recognized under Underwriters Laboratories and certified by CSA. The fuseholder is designed to withstand 15 lb.-in. mounting torque and accommodates a maximum panel thickness of .187 inches.