QC/T 1174-2022 in English

This standard specifies the technical requirements, testing methods, and marking rules for high-voltage fuses used in electric vehicles. It covers the structural design, material selection, and performance characteristics necessary to ensure the safe and reliable operation of these components within electric vehicle systems. The standard also outlines the procedures for type testing, routine testing, and sampling inspection to verify compliance with specified criteria. Additionally, it provides guidelines for the labeling and documentation of high-voltage fuses to facilitate proper installation and maintenance. The document is intended to serve as a reference for manufacturers, suppliers, and regulatory bodies involved in the production and certification of high-voltage fuses for electric vehicles.