The Westinghouse Power Fuse Refill is a high-quality electrical component designed for industrial applications. With a maximum amperage of 300B and a voltage rating of 15.5 KV, this refill is specifically designed for use in electrical equipment and supplies. The pack contains 1 fuse, making it ideal for maintaining a constant power supply in a variety of industrial settings. As a product from the trusted brand Westinghouse, you can rely on its durability and performance for your electrical needs. This item is in its original box and unused.