Look like new The Ferraz Shawmut TRS100R Tri-Onic Dual-Element Time-Delay Fuse is a high-quality electrical fuse designed for commercial and industrial applications. With a maximum amperage of 100A and a voltage rating of 551-600VAC, this D-Type cartridge fuse provides reliable protection against overcurrent situations. Its smart home compatibility allows for universal use, while the thermal overload protection feature ensures added safety. Made of copper with a copper finish, this Ferraz Shawmut fuse is suitable for both interior and exterior use, making it a versatile and essential component for any electrical system.