BGH Vacuum Circuit Breaker
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.
- Fast Delievery
- Quality Assurance
- 24/7 Customer Service
Product Introduction
1.BGH Vacuum Circuit Breaker: Reliable Power Control for Modern Grids
When you need a compact, high-performance solution for medium-voltage systems, the BGH Vacuum Circuit Breaker delivers unmatched reliability. Designed for industrial plants, power grids, and renewable energy projects, this circuit breaker combines modular spring mechanisms, IEC-certified safety, and adaptive designs to handle voltage fluctuations, space constraints, and harsh environments. Whether upgrading aging infrastructure or integrating solar/wind farms, the product ensures minimal downtime and 30+ years of stable service.

2.Technical Specifications
- Rated Voltage: 12kV
- Frequency: 50Hz
- Rated Current: 630A, 1250A
- Standards Compliance: IEC 62271-100, ANSI C37.04, GB/T 1984
- Environmental Rating: IP65 (dust/moisture-proof), -40°C to +55°C operation
- Breaking Time: ≤0.1 seconds
- Noise Level: ≤75dB
| No. | Parameter name | Unit | Data | |||||||
| 1 | Rated voltage | kV | 12 | |||||||
| 2 | Rated frequency | Hz | 50 | |||||||
| 3 | Rated insulating level | 1 min power frequency withstand voltage | kV | 42 | ||||||
| Rated lightning impulse withstand voltage | kV | 75 | ||||||||
| 4 | Rated current | A | 630 | 1250 | 1600 | 2000 | 2500 | 3150 | 4000 | |
| 5 |
Rated short-circuit breaking current Rated thermal stability current (effective value) |
kA | 20 | 20 | ||||||
| 25 | 25 | 25 | ||||||||
| 31.5 | 31.5 | 31.5 | 31.5 | 31.5 | 31.5 | |||||
| 40 | 40 | 40 | 40 | 40 | 40 | |||||
| 6 |
Rated-short-circuit-making current (peak) Rated dynamic stability current (peak) |
kA | 50 | 50 | 50 | |||||
| 63 | 63 | 63 | ||||||||
| 80 | 80 | 80 | 80 | 80 | 80 | |||||
| 100 | 100 | 100 | 100 | 100 | 100 | |||||
| 7 | Breaking operations of rated short circuit breaking current | time | 50,20 | |||||||
| 8 | Rated thermal stability time | s | 4 | |||||||
| 9 | Standard Operating sequence | O-0.3s-CO-180s-CO* | ||||||||
| 10 | Mechanical endurance | time | 10000 | |||||||
| 11* | Rated breaking current of single capacitor bank | A | 630 | |||||||
| 12* | Rated breaking current of back-to-back capacitor bank | A | 400 | |||||||
、3.Key Features & Benefits
1. Space-Saving Design
Ideal for retrofitting compact substations, the BGH model reduces footprint by 40% compared to traditional breakers. Its modular spring mechanism simplifies installation in tight spaces.
2. Low Maintenance, High Durability
With <1% contact erosion after 10,000 operations and corrosion-resistant coatings, it cuts lifecycle costs by 20%—perfect for coastal wind farms or desert installations.
3. Smart Grid Ready
Optional IoT sensors enable real-time diagnostics and SCADA integration, supporting grid automation and predictive maintenance.
4. Enhanced Safety
Three-station integration (circuit breaker + disconnecting/grounding switches) minimizes arc-flash risks and simplifies maintenance workflows.
4.Applications
- Power Grids: Stabilize voltage in urban/rural distribution networks.
- Renewables: Manage fluctuations in solar/wind farms (35kV compatible).
- Industrial Plants: Protect motors and transformers in mining, manufacturing.
- Infrastructure: Subways, airports, and hospitals requiring fail-safe power control.
5.How It Works?
The BGH Vacuum Circuit Breaker uses vacuum interrupter technology to extinguish arcs instantly. When a fault is detected, its magnetic actuator separates contacts within 0.1 seconds, isolating the circuit. The sealed, maintenance-free design prevents oxidation, ensuring consistent performance in humid or dusty conditions.
6.Manufacturing & Quality Control
Every component undergoes 23 quality checks, including:
- Material Testing: X-ray inspection for alloy purity.
- Performance Validation: 10,000 mechanical endurance cycles.
- Environmental Simulation: Temperature/humidity chambers replicate extreme climates.
Certifications: ISO 9001, ISO 14001, CCC, and IEC 62271-100.
7.Why Choose Us?
- Proven Expertise: 18+ years in vacuum circuit breaker R&D, including 863 Program projects.
- Global Compliance: Pre-certified for CE (EU), BIS (India), and ANSI (North America).
- Custom Solutions: Add surge arresters, insulated cross-arms, or smart monitoring.
- Fast Delivery: 6–8 weeks for bulk orders, with local technical support.
8.FAQs
1. Can the BGH Breaker handle solar farm voltage swings?
Yes! Its vacuum interrupters adapt to rapid load changes, making it ideal for renewables.
2. What certifications apply to outdoor installations?
IP65 rating and IEC 61439-2 ensure reliability in rain, dust, or extreme temperatures.
3. Is remote monitoring possible?
Absolutely—integrate IoT modules for real-time alerts via SCADA or mobile apps.
4. How often should maintenance be done?
Routine checks every 5 years; no contact replacement needed for 10,000+ operations.
5. Do you offer desert-proof variants?
Yes! Ask about sand-resistant coatings for MENA/Africa projects.
9.Contact Us
Email: xaxd_electric@163.com
Get a BGH Vacuum Circuit Breaker quote or request a customization plan today!
10.Factory Show


11.Equipment Display

12.Application Cases
State Grid systems, power engineering, steel and metallurgy, petrochemicals, rail transportation, energy and water conservancy, construction, environmental protection, and renewable energy sectors
13.Team and Exhibition

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