The Littelfuse 03420014X is a robust panel mount fuse holder specifically designed to house 3AG fuses. This fuse holder is rated for a maximum of 20 amperes and up to 250 volts, ensuring reliable performance in a variety of electrical circuits. It is recognized under the Components Program of Underwriters Laboratories and certified by CSA, demonstrating its adherence to stringent safety standards. The fuse holder's construction includes a black thermoplastic body (UL 94V0), copper and copper alloy terminals with tin plating (nickel plating for quick-connect terminals), and a bayonet style knob for easy fuse replacement. It is suitable for applications requiring a secure and reliable fuse mounting solution, such as industrial control panels, power distribution systems, and equipment protection circuits.