New Edition of UL 248-1, Standard for Low-Voltage Fuses


UL has released a new edition of UL 248-1, the standard for low-voltage fuses. This revision of ANSI/UL 248 – 1 is being issued to reaffirm approval as an American National Standard. The third edition can now be purchased on UL’s website.


“This Standard applies to low-voltage fuses rated 1000 V or less, AC and/or DC, with interrupting ratings up to 300 kA (200 kA for Mexico). These fuses are intended to be used in accordance with the Canadian Electrical Code, Part I (CEC), and the National Electrical Code, NFPA 70 (NEC).”

*Description from UL’s website.


Photo by Steve Snodgrass

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