RHB-245 SF6 dead-tank circuit-breaker: rated 245kV. Full ratings (normal current, lightning impulse, short-time withstand, making current) per official type-test report.
This SF₆ dead‑tank circuit‑breaker adopts SF₆ gas for insulation and arc‑extinguishing, and complies with IEC 62271‑100. It is equipped with aluminium‑alloy connection terminals, with complete mechanical weight and foundation load requirements provided for site civil design.
252kV outdoor self-energy high voltage SF₆ circuit breaker: Efficient arc quenching, high reliability for power system switching control & protection.
Live tank SF6 circuit breaker for 145kV to 362kV, offering reliable high-voltage protection and switching for transmission grid applications.
HV live tank SF6 circuit breaker for 252kV, 420kV, and 550kV, delivering reliable protection for extra high-voltage transmission networks.
It matches lightning impulse withstand voltage, short‑time withstand current and short‑circuit making current for the 245 kV voltage class, adapting to fault conditions of high‑voltage power grids.
Total weight 4000 kg. Foundation static load:40000 N; dynamic load: horizontal ±50000 N, vertical downward 220000 N. Foundation height difference ≤2 mm, base‑surface levelness ≤2 mm. Anchor bolts shall be supplied by purchaser.
It complies with IEC 62271‑100, the international standard for high‑voltage AC circuit‑breakers.
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