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RHD-40.5 SF6 Gas Dead tank Circuit Breaker

Drawings · ROCKWILL

RHD-40.5 SF6 Gas Dead tank Circuit Breaker

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.

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Updated2026.09

LanguageEnglish

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Dead tank Circuit BreakerSF6 Gas Circuit Breaker

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Document description

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.

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Frequently asked questions

Which standards does this circuit breaker comply with? Can customized service be provided?

It complies with IEC 62271‑100 and GB/T 1984. Customized manufacturing and overall solutions including design, assembly and test are available.

What about SF₆ gas performance and mechanical service life of this breaker?

Rated SF₆ gas pressure 0.5‑0.6 MPa, annual leakage rate ≤0.5%; mechanical life reaches 10 000 operating times.

What are the control circuit and motor supply voltage options?

Energy‑store motor and control circuit support DC110 V / DC220 V; built‑in heater is for AC220 V.

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