Update #2 was published as notification that this is now a National Standard of Canada
This PDF includes Update #2 and #3
NOTE - This Part is intended to be read together with the Standard for Low-Voltage Fuses - Part 1: General Requirements, hereafter referred to as Part 1. The numbering of the Clauses in this Part corresponds to like numbered Clauses in Part 1. The requirements of Part 1 apply unless modified by this Part. For Clauses not shown below, refer to the Standard for Low-Voltage Fuses - Part 1: General Requirements, NMX-J-009/248/12-2000-ANCE
CSA C22.2 No. 248.1
This Part applies to Class R fuses rated 600 A or less and either 250 or 600 V ac. DC ratings are optional.