RHD‑420 SF6 dead‑tank circuit breaker, 420kV, rated current 3150‑5000A, short‑circuit breaking current 50‑63kA, self‑blast arc‑extinguishing, SF6 gas insulated high‑voltage transmission circuit‑breaker.
This product flyer document covers RHD‑420 high‑voltage SF6 dead‑tank circuit‑breaker, supporting tender specification compilation, project feasibility evaluation and pre‑sales technical reference. This product complies with IEC 62271‑100 and GB/T 1984 standards.
This datasheet records comprehensive performance indicators including lightning impulse withstand level, power‑frequency withstand voltage, partial discharge value, SF₆ gas alarm & locking pressure, annual gas leakage rate, mechanical endurance and unique reclosing operation sequence O‑0.3s‑CO‑180s‑CO.
It adopts three‑phase post porcelain insulator layout and pointer‑type density relay for real‑time gas condition monitoring; heater, energy‑storage motor and control circuit supply parameters are also specified. Custom‑built solution covering design, assembly and testing service is available for EPC projects. Contact us for complete type‑test report and detailed installation‑operation manual.
420kV Dead Tank SF6 Circuit Breaker provides high reliability and fast arc extinction for stable grid operation with a robust design.
Dead Tank SF6 Circuit Breaker (550kV) offers high performance and reliable arc interruption. Its robust design ensures stability for ultra high voltage systems.
Factory direct dead tank SF6 circuit breaker for 40.5kV to 66kV systems, delivering reliable and cost-effective high-voltage protection
Monitora continuamente a densidade do gás SF6, acionando o alarme e o sinal de bloqueio assim que a pressão atinge o limite pré-definido para proteção do equipamento. Entre em contato conosco para obter o guia de ajuste do relé.
Serviços personalizados que abrangem projeto, montagem e testes de fábrica podem ser fornecidos. Entre em contato conosco para enviar a especificação técnica do seu projeto.
A extinção de arco por auto-sopro reduz a demanda de energia operacional e proporciona um desempenho estável de interrupção para a manobra de curto-circuito e de corrente de carga. Por favor, entre em contato conosco para uma apresentação da estrutura interna.
Login
