Please note: All interim revisions for this edition available at time of your purchase will be included.
Original price was: $269.40.$134.00Current price is: $134.00.
Standard for Mine-Duty Fuses
Underwriters Laboratories , 04/04/2018
Original price was: $212.89.$106.00Current price is: $106.00.
Standard for Mine-Duty Fuses
Underwriters Laboratories , 04/23/2003
Please note: All interim revisions for this edition available at time of your purchase will be included.
1 Scope
1.1 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.
1.2 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.
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