Low-voltage fuses - Part 12: Class R fuses (Tri-national standard, with UL 248-12 and NMX-J-009/248/12-ANCE), Includes Update No. 1 (2017)
低压熔断器.第12部分:R类熔断器(三国标准 含UL 248-12和NMX-J-009/248/12-ANCE) 包括更新1号(2017年)
Preface:This is the harmonized ANCE, CSA Group, and UL standard forLow-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.Scope:This Part applies to Class R fuses rated 600 A or less and either 250 or 600 V ac. DC ratings are optional.