1 1.2 These requirements cover fuseholders intended for use with Class K Fuses as described in NMX-J-009/248/9-2000-ANCE, CSA C22.2 No. 248.9, UL 248-9, Low-Voltage Fuses – Part 9: Class K Fuses.
The following topics are being recirculated:
1. The proposed changes to the First Edition of the harmonized trinational set of standards, UL 4248-9 are a result of a comment that was received and includes the following change: Revisions to the verification of temperature rise, maximum temperature allowed on all Class K fuses.
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