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The Fuse Class H 175A NOS Series from Bussmann is designed to provide high-sensitivity, fast-blow fusing for general purpose applications in existing installations. These nonindicating UL Class H and K5 fuses are highly sensitive to changes in current flow and don't tolerate temporary overload currents or power surges. The 175A rating makes them suitable for applications that require reliable overcurrent protection, while the interrupting ratings of 10kA (Class H) and 50kA (Class K5) make them ideal for a range of electrical systems. The dimensional similarities between Class H and K5 fuses also allow for easy interchangeability between systems. With their fast-blow action, these fuses can help prevent damage caused by short circuits and overloads, making them an essential component in any electrical installation.