Draft Details
- PR 20240725_UL 248-21 (PDF document, 99 KB)
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1.1 This Part is intended to be read together with the Standard for Low-Voltage Fuses – Part 1: General Requirements, hereafter referred to as Part 1. The titles of the Clauses in this Part correspond to the similarly titled Clauses in Part 1. The requirements of Part 1 apply unless modified by this Part. For the Part 1 requirements, refer to the Standard for Low-Voltage Fuses – Part 1: General Requirements, NMX-J-009-248/1-ANCE / CSA C22.2 No. 248.1 / UL 248-1.
1.2 This Part applies to fuses for the protection of batteries and battery systems rated 2000 VDC or less.
NOTE: CSA C22.1, Canadian Electrical Code, Part I, defines low voltage as any voltage exceeding 60 VDC but not exceeding 1500 VDC inclusive and high voltage as any voltage exceeding 1500 VDC. The National Electrical Code, NFPA 70, defines high voltage as more than 1500 VDC, nominal.
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