T/CEEIA 255-2016 Household and similar small current protection circuit breakers
T/CEEIA 255-2016 Household and similar small current protection circuit breakers
Basic Information
Scope
This standard specifies the terms, definitions, classification, characteristics, marking, other product information, standard working conditions, structure, operation requirements, and testing of overcurrent protection miniature circuit breakers (hereinafter referred to as circuit breakers) for use in household and similar environments. The circuit breakers specified in this standard are applicable to AC 50 Hz or 60 Hz, with a rated voltage not exceeding 440 V (between phases), a rated current not exceeding 125 A, and a rated short-circuit capacity not exceeding 25,000 A. The circuit breakers specified in this standard are designed for overcurrent protection of wiring facilities and electrical equipment in buildings and similar environments. The circuit breakers specified in this standard are suitable for use by non-professionals and do not require maintenance. The circuit breakers specified in this standard are intended to operate in an environment with a pollution level of 2. This standard specifies the terms, definitions, classification, characteristics, marking, other product information, standard working conditions, structure, operation requirements, and testing of overcurrent protection miniature circuit breakers (hereinafter referred to as circuit breakers) for use in household and similar environments.