		Class Description

CLASS NUMBER:

1422-02

DESCRIPTION:

FUSES-High Rupturing Capacity (HRC) Type

COVERAGE:

HRC (High-Rupturing Capacity) non-renewable cartridge fuses are rated at 600V ac and less, for use in protection of electrical circuits and equipment and in particular where fuses covered by CSA Standard C22.2 No 248-6, 7 and 11 (Fuses - Both Plug and Cartridge Enclosed Types) are unsuitable or inadequate because of insufficient rupturing capacity.

REQUIREMENTS:

CSA Standard C22.2 No 0	General Requirements - Canadian Electrical Code, Part II
CSA Standard C22.2 No 106	HRC Fuses (Low-Voltage Power Fuses)
CSA Standard C22.2 No 248.1	Low Voltage Fuses - Part 1: General Requirements
CSA Standard C22.2 No 248.2	Low Voltage Fuses - Part 2: Class "C" Fuses
CSA Standard C22.2 No 248.3	Low Voltage Fuses - Part 3: Class "CA" and "CB" Fuses
CSA Standard C22.2 No 248.4	Low Voltage Fuses - Part 4: Class "CC" Fuses
CSA Standard C22.2 No 248.5	Low Voltage Fuses - Part 5: Class "G" Fuses
CSA Standard C22.2 No 248.8	Low Voltage Fuses - Part 8: Class "J" Fuses
CSA Standard C22.2 No 248.9	Low Voltage Fuses - Part 9: Class "K" Fuses
CSA Standard C22.2 No 248.10	Low Voltage Fuses - Part 10: Class "L" Fuses
CSA Standard C22.2 No 248.12	Low Voltage Fuses - Part 12: Class "R" Fuses
CSA Standard C22.2 No 248.15	Low Voltage Fuses - Part 15: Class "T" Fuses

The Certified equipment appearing in this classification is judged to comply with the requirements of the NFPA 70 National Electrical Code (NEC).

MARKING:

submittor's identification;
model designation or equivalent;
complete electrical rating;
Class "C, CA, CB, CC, G, H, J, K, L, R and T" as applicable;
"TIME DELAY" or other acceptable marking for fuses designated time delay;
additional markings as may be required;
CSA Monogram;

In addition, equipment intended for display, sale or use in the USA is required to include other information such as warning statements, installation instructions, etc., as may be specified in the NEC.

/mkc