前言:这是低压熔断器的协调ANCE、CSA和UL标准——第8部分:J类熔断器。它是NMX-J-009/248/8-ANCE的第二版，CSA C22的第三版。2第248.8-11号和UL 248-8第三版。此版本的NMX-J-009-248/8-ANCE取消了2000年发布的前一版本。本版CSA C22。2第248.8-11号文件取代了2000年出版的前一版。范围:本部分适用于额定电流为600A或以下，交流电压为600V的J类熔断器。直流额定值是可选的。

Preface:This is the harmonized ANCE, CSA, and UL standard forLow-Voltage Fuses - Part 8: Class J Fuses. It is the second edition of NMX-J-009/248/8-ANCE, the third edition of CSA C22.2 No. 248.8-11, and the third edition of UL 248-8. This edition of NMX-J-009-248/8-ANCE cancels the previous edition published in 2000. This edition of CSA C22.2 No. 248.8-11 supersedes the previous edition published in 2000.Scope:This Part applies to Class J fuses rated 600 A or less and 600 V ac. DC ratings are optional.