Fuseholders - Part 12: Class R

Designation Number:
C22.2 NO. 4248.12
Standard Type:
National Standard of Canada - Domestic
Standard Development Activity:
New Edition
ICS code(s):
29.120.99
Status:
Proceeding to development
SDO Comment Period Start Date:
SDO Comment Period End Date:
Posted On:

Scope:

Note: As requested by the responsible SDO, this NOI being reissued as the standard was in the initial stages of development for more than 12 months. An additional comment period of November 21 to December 12, 2023 (originally published on August 31, 2021).

1 General

This Part is intended to be read together with the Standard for Fuseholders – 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 Fuseholders – Part 1: General Requirements, NMX-J-009-4248-ANCE ♦ CSA C22.2 No. 4248.1 ♦ UL 4248-1.

1.1 Scope

1.1.2
These requirements cover fuseholders intended for use with Class R Fuses as described in NMX-J-009/248/12-2000-ANCE, CSA C22.2 No. 248.12, UL 248-12, Low-Voltage Fuses – Part 12: Class R Fuses.

Project need:

To revised existing requirement and align Canadian requirements with those of our harmonized partners from USA & Mexico in the subject area of Class R fuseholders. This proposed New Edition is being developed at the request of manufacturers, certification bodies, and the CANENA Technical Harmonization Committee 32B. It will provide the industry with latest requirement of Class R fuseholders and improve the overall usability of the C22.2 No. 4248 series of Standards

Note: The information provided above was obtained by the Standards Council of Canada (SCC) and is provided as part of a centralized, transparent notification system for new standards development. The system allows SCC-accredited Standards Development Organizations (SDOs), and members of the public, to be informed of new work in Canadian standards development, and allows SCC-accredited SDOs to identify and resolve potential duplication of standards and effort.

Individual SDOs are responsible for the content and accuracy of the information presented here. The text is presented in the language in which it was provided to SCC.