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The Gould Shawmut TRS300R Time Delay Fuse is a high-quality electrical fuse designed for industrial use. With a maximum amperage of 300A and voltage rating of 600V, this white-glass fuse offers thermal overload protection for added safety. The horizontal/vertical orientation and copper finish make it versatile for various installation scenarios. Although this product does not come with its original box, it ensures reliable performance in electrical systems requiring a time-delay feature.