UL 248-13 PDF

1 Scope

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 semiconductor fuses rated 2000 Vac or less. DC ratings are optional.

NOTE: CSA C22.1, Canadian Electrical Code, Part I, defines low voltage as any voltage exceeding 30 V but not exceeding 1000 V inclusive and high voltage as any voltage exceeding 1000 V. The National Electrical Code, NFPA 70, defines high voltage as more than 600 V, nominal.

Summary of Topics

The Third Edition of the Standard for Low-Voltage Fuses – Part 13: Semiconductor Fuses, ANSI/UL 248-13 dated March 31, 2022.

As noted in the Commitment for Amendments statement located on the back side of the title page, UL, CSA, and ANCE are committed to updating this harmonized standard jointly.