T/ZDQ 003-2024 Active Group standards

T/ZDQ 003-2024 Micro Circuit Breaker (MCB)

Publish Date: 2024-07-18 Implement Date: 2024-09-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/ZDQ 003-2024

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Switch

Publish Date: 2024-07-18

Implement Date: 2024-09-01

Scope

Scope: The MCB specified in this standard is applicable to AC air-type circuit breakers for protection of distribution lines with an AC rated frequency of 50 Hz, 60 Hz, or 50/60 Hz, a rated voltage of not more than 400 V, a rated current of not more than 125 A, and a rated short-circuit capacity of not more than 10,000 A. The MCB specified in this standard is suitable for protecting overcurrent in building wiring facilities and similar applications. The product is designed for use by untrained personnel and requires no maintenance. Main technical content: This standard specifies the terms and definitions, classification, characteristics, marking, and other product information of miniature circuit breakers (hereinafter referred to as MCBs), the standard working conditions used, requirements for structure and operation, testing, packaging, transportation, and storage, and quality assurance.