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Publications C22.2 NO. 248.12-11 (R2016)

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C22.2 NO. 248.12-11 (R2016) - Low-voltage fuses - Part 12: Class R fuses (Tri-national standard, with UL 248-12 and NMX-J-009/248/12-ANCE)

Publication Year:

  • 2011

Total Pages:


Reaffirmed Year:

  • 2016


  • CSA
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This is the harmonized ANCE, CSA Group, and UL standard for Low-Voltage Fuses - Part 12: Class R Fuses. It is the third edition of NMX-J-009/248/12-ANCE, the third edition of CSA C22.2 No. 248.12-11, and the third edition of UL 248-11. This edition of NMX-J-009-248/12-ANCE supersedes the previous edition published in 2006. This edition of CSA C22.2 No. 248.12-11 supersedes the previous edition published in 2000.


This Part applies to Class R fuses rated 600 A or less and either 250 or 600 V ac. DC ratings are optional.

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