T/ZZB 016-2022 Active Group standards

T/ZZB 016-2022 Small Circuit Breaker

Publish Date: 2022-07-01 Implement Date: 2022-08-01 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/ZZB 016-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Low-voltage distribution electrical equipment

ICS Name: Fuses and other overload protection devices

Publish Date: 2022-07-01

Implement Date: 2022-08-01

Scope

Main technical content: This document specifies the basic requirements, classification, characteristics, marking and product information, operating conditions, structural and operational requirements, test methods, inspection rules, packaging, transportation and storage, and quality commitments for miniature circuit breakers (hereinafter referred to as circuit breakers). The circuit breakers specified in this document are applicable to AC 50 Hz, 60 Hz, or 50 Hz/60 Hz, with a rated voltage not exceeding 440 V (phase-to-phase), a rated current not exceeding 63 A, and a rated short-circuit capacity not exceeding 10,000 A. The circuit breakers specified in this document are used for overcurrent protection of wiring facilities and electrical equipment in buildings and similar locations. The circuit breakers specified in this document are suitable for use by non-professionals and do not require maintenance. The circuit breakers specified in this document are intended for use in environments with a pollution level of 2. The circuit breakers specified in this document are suitable for isolation and are suitable for use in IT systems. This document is not applicable to: — Circuit breakers for motor protection; — Circuit breakers whose setting current can be adjusted by devices accessible to users.