RHD-40.5 dead-tank SF6 circuit breaker: 40.5kV, 1600-3150A, lightning impulse 185/215kV, short-time 25-31.5kA, making peak 80-100kA. For MV grid switching and short-circuit faults.
This circuit breaker adopts self‑blast arc‑extinguishing principle, three‑phase post‑type porcelain insulator structure and pointer‑type density relay, with mechanical life up to 10 000 times and customized manufacturing available. It complies with IEC 62271‑100 and GB/T 1984 standards, featuring high safety, reliability and easy installation.
Factory direct dead tank SF6 circuit breaker for 40.5kV to 66kV systems, delivering reliable and cost-effective high-voltage protection
High reliability dead tank SF6 circuit breaker for 40.5kV to 170kV, delivering robust protection for high-voltage transmission and substation applications.
Está em conformidade com as normas IEC 62271-100 e GB/T 1984. Estão disponíveis a fabricação personalizada e soluções completas, incluindo projeto, montagem e ensaios.
Pressão nominal do gás SF₆ de 0,5-0,6 MPa, taxa de vazamento anual ≤0,5%; a vida mecânica atinge 10 000 ciclos de operação.
O motor de armazenamento de energia e o circuito de controle suportam CC 110 V / CC 220 V; o aquecedor embutido é para CA 220 V.
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