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UL 198M

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UL 198M 5th Edition, April 4, 2018 UL Standard for Safety Mine-Duty Fuses

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Description / Abstract: These requirements cover Class K and Class R fuses having an additional D-C rating and that are intended for use in protecting trailing cables in D-C circuits in mines in accordance with the requirements of the United States Department of Labor, Mine Safety and Health Administration.

These fuses have a maximum current rating of 600 A, a voltage rating of 300 or 600 V dc, and an interrupting rating of 20,000 A dc