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Reliable SF6 Circuit Breaker Source Factories | Wholesale HV SF6 CB Equipment

Source SF6 circuit breakers directly from verified factories! Our platform features ISO/IEC certified manufacturers offering HV SF6 CB, low maintenance, high insulation performance, OEM/ODM services, and global shipping. Trust factory-direct pricing for your high-voltage power projects.
Whole life care manager
Negotiable
LW55B-550/Y4000-50 363kV 380kV 400kV 550kV tank-type SF6 circuit breaker: single fracture, leak-free hydraulic mechanism, easy installation, monitors SF6 decomposition products for power system control/protection.
18yrs 500-1000 employees 108000m²+m² US$+
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Whole life care manager
Negotiable
550kV Dead Tank SF6 Circuit Breaker: High-performance, reliable arc interruption, robust design for ultra-high voltage systems, ensuring stable power grid operation.
18yrs 500-1000 employees 108000m²+m² US$+
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Whole life care manager
Negotiable
Rated voltage 252kV 363kV 550kV 800kV; Rated current 4000/5000A; SF6 circuit break;tank type
18yrs 500-1000 employees 108000m²+m² US$+
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Whole life care manager
Negotiable
LW35 Series Self-Energizing SF6 Circuit Breaker: 19.3kg low SF6 consumption, leak-proof seals, imported valve, dual opening circuits—reliable for power system control/protection.
18yrs 500-1000 employees 108000m²+m² US$+
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Whole life care manager
Negotiable
100kV 126kV 138kV 145kV High - voltage AC Dead tank SF6 circuit breaker: Ensures reliable power interruption, suitable for power grids, with excellent insulation and performance.
18yrs 500-1000 employees 108000m²+m² US$+
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Whole life care manager
Negotiable
LW58A 12kV 13.2kV 36kV 38kV 40.5kV 72.5kV 138kV 145kV 252kV Dead Tank Circuit Breaker: 5000m high-altitude, cold-resistant, seismic-proof (IP66), integrated CT, compact design for harsh/high-pollution power systems.
18yrs 500-1000 employees 108000m²+m² US$+
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Whole life care manager
Negotiable
1000kV UHV Outdoor SF6 Circuit Breaker (50Hz): double-column four-fracture, parallel capacitor/closing resistor, ABB HMB-8.12 mechanism, 10,000 mechanical life, compact for power system control/protection.
18yrs 500-1000 employees 108000m²+m² US$+
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Whole life care manager
Negotiable
SF6 Circuit Breaker: SF6 as insulation/arc-extinguishing medium, single variable opening arc chamber. Equipped with CYT hydraulic mechanism (built-in pipes, no leakage), imported valve, 2 models, ideal for power line control/protection.
18yrs 500-1000 employees 108000m²+m² US$+
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Whole life care manager
Negotiable
SF6 Circuit Breaker: SF6 as insulation/arc-extinguishing medium, single variable opening arc chamber. Spring-hydraulic mechanism, 20 short-circuit breakings, 5,000 mechanical life, low noise, no exposed pipes for power line control.
18yrs 500-1000 employees 108000m²+m² US$+
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Whole life care manager
Negotiable
69kV 72.5kV 84kV 88kV Dead Tank SF6 Circuit Breaker with self-energy arc extinguishing, spring operating mechanism. Outdoor use, high reliability, meets IEC/ANSI standards.
18yrs 500-1000 employees 108000m²+m² US$+
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