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Circuit Breakers
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SFM Indoor SF6 Circuit Breaker
Rated Voltage:40.5kV
1.The interrupter unit consists of an SF6 arc-extinguishing chamber, contact system, and other auxiliary devices.
2.The SF6 circuit breaker uses SF6 gas as an arc-extinguishing and insulating medium to achieve excellent breaking and short-circuit current interruption performance. 3.The contact system is used to establish and break the circuit.
LW25 Outdoor Porcelain Type SF6 Circuit Breaker
1.Rated Voltage:126/145kV
2.Rated frequency:50Hz
3.Rated Normal Current:2000,3150,4000A
4. Spring: Electric motor charges closing spring; self-charges opening spring during closure.
5.Hydraulic: Disc spring energy storage (no nitrogen) with hydraulic actuation.
6.Pneumatic: Compressed-air opening / spring closing.
LW24 Dead Tank SF6 Circuit Breaker
1.Rated Voltage:40.5,72.5,126,145,252kV
2.Rated frequency:50Hz
3.Rated Normal Current:3150A,4000A
4.Self-optimized gas blast pressure matching fault current characteristics
5.Arc energy utilization minimizing operating mechanism workload
6.Modular three-chamber design with independent pole operation
7.Maintenance-optimized CT20 spring drive system
LW8-40.5 Outdoor SF6 Circuit Breaker
1.Rated Voltage:35kV
2.Highest Voltage:40.5kV
3.Rated Current:1600/2000/2500/3150A
4.Superior Breaking: Compressed-gas arc interruption ensures ultra-short arc times, high electrical endurance. Interrupts 31.5kA at rated voltage 21 times without maintenance or SF6 replacement.
5.High Reliability: Mechanical life >3,000 operations. Supports frequent use. Optional integration of up to 12 CTs per unit.
6.Advanced Monitoring: MKZ-type SF6 density gauge maintains accurate readings unaffected by temperature.
7.Compliance: Meets GB1984-89 & IEC 56 standards.
8.Operation: Equipped with CT14 spring-operating mechanism.
BGH-40.5 Vacuum Circuit Breaker
1.Rated Voltage:40.5kV
2.Rated Current:630,1250
3.Frequency:50Hz
4.Perfectly integrating circuit breaker, disconnecting switch and grounding switch, making the box-variable cabinet structure simpler and more convenient for maintenance;
5.Equipped with outdoor 35kV box variable, widely used in photovoltaic, wind energy and other new energy power stations;
6.It can be equipped with an additional lightning arrester, charged display and other functions according to the requirements;
BGH Vacuum Circuit Breaker
1.Rated Voltage:12kV
2.Frequency:50Hz
3.Rated Current:630,1250A
4.Applicable to industrial and mining, community, enterprise, power plant and other places to meet its control and protection purposes.
5.Adopting modularized spring-operated mechanism, with superior performance and higher service life.
ZW32-40.5 Vacuum Circuit Breaker
1.Rated Voltage:12kV
2.Rated Current:630A
3.Frequency:50Hz
4.Can be equipped with an isolation switch
5.Compact design with high-quality steel enclosure.
ZW7-40.5 Outdoor Vacuum Circuit Breaker
1.Rated Voltage:40.5kV
2.Frequency:50Hz
3.Rated Current:1250,1600,2000A
4.Adopting modularized spring-operated mechanism for greater versatility.
5.Miniaturized design, more concise and reasonable structure.
6.Reinforced bracket column structure, strong seismic resistance.
7.Adoption of large creepage distance porcelain sleeve, stronger anti-fouling ability.
ZN39 Indoor Vacuum Circuit Breaker
1.Rated Voltage:12kV
2.Ambient temperature: -40°C~+40°C (below 35°C within 24 hours)
3.Relative humidity: ≤95% (daily average) or ≤90% (monthly average)
4.Altitude: ≤ 1000m
ZN85 Indoor Vacuum Circuit Breaker
1.Rated Voltage:40.5kV
2.Rated Frequency:50Hz
3.Temperature: Ambient air: -15°C to +40°C; Daily average: ≤35°C
4.Humidity: Daily average relative humidity ≤95% (vapor pressure ≤2.2kPa); Monthly average relative humidity ≤90% (vapor pressure ≤1.8kPa)
5.Altitude: ≤1000m
6.Air Quality: No visible dust, smoke, corrosive/combustible gases, vapors, or salt spray
ZN63-VS1 Indoor Vacuum Circuit Breaker
1.Rated Current:630/1250/1600//2000/2500/3150A
2.Rated Frequency:50Hz
3.Temperature: -15℃ to +40℃
4.Humidity:Daily average: ≤95% RH (≤2.2 kPa vapor pressure)；Monthly average: ≤90% RH (≤1.8 kPa vapor pressure)
5.Altitude: ≤1000m
6.Seismic: ≤ MSK-8 intensity
7.Air Quality: No significant dust, smoke, corrosive/flammable gases, vapors, or salt spray