T/CIET 1659-2025 A built-in isolation switch for a pole circuit breaker with one- or two-stage depth integration
T/CIET 1659-2025 A built-in isolation switch for a pole circuit breaker with one- or two-stage depth integration
Basic Information
Scope
This document specifies the terms and definitions, technical requirements, performance test methods, inspection rules, nameplates, packaging, transportation, and storage of pole-mounted circuit breakers with built-in disconnecting switches for primary and secondary deep integration (hereinafter referred to as "built-in disconnecting circuit breakers"). This document is applicable to pole-mounted circuit breakers with built-in disconnecting switches for primary and secondary deep integration. This document specifies the terms and definitions, technical requirements, performance test methods, inspection rules, nameplates, packaging, transportation, and storage of pole-mounted circuit breakers with built-in disconnecting switches for primary and secondary deep integration (hereinafter referred to as "built-in disconnecting circuit breakers"). This document is applicable to pole-mounted circuit breakers with built-in disconnecting switches for primary and secondary deep integration.