Preface:

This is the common UL, CSA, and ANCE Standard for Low-Voltage Fuses – Part 3: Class CA and CB Fuses. This is the second edition of CSA C22.2 No. 248.3-00 (superseding the first edition, published in 1996), the second edition of UL 248-3, and the first edition of NMX-J-009/248/3-2000-ANCE.

This Standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group.

This Standard has been approved by the American National Standards Institute (ANSI) as an American National Standard.

General 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 correspond 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-009/248/3-2000-ANCE • CSA C22.2 No. 248.1 • UL 248-1.

Scope:

This Part applies to Class CA and CB fuses rated 60 A or less and 600 V ac. DC ratings are optional.