UL 248-7 for Low-Voltage Fuses – Part 7: Class H Renewable Fuses Revised

Standards and Compliance
February 10, 2015   |By

fuse photo

UL has announced the release of a new edition of UL 248-7. This standard applies to “low-voltage fuses – Part 7: class H renewable fuses.” UL 248-7 can be purchased on the UL website.

Description*

- Partner Content -

Mastering High Voltage: The Importance of Accurate Test Equipment

This whitepaper underscores that precise calibration of high-voltage test gear — especially when measuring 1 kV–150 kV systems — is essential for safety, reliability, and regulatory compliance. It details measurement techniques (voltage dividers, step-down transformers, etc.), the impact of environmental and connection factors on accuracy, and why traceable calibration (e.g. to NIST / A2LA) is a must to ensure consistent, reliable results.
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“This Part applies to Class H Renewable fuses rated 600 A or less and either 250 or 600 V ac. DC ratings are optional.”

*Description from the UL website.

Photo by Razor512

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