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As a dedicated manufacturer of high-voltage electrical equipment, Jinhua Dika Electrical Equipment Co., Ltd. is proud to present our robust and reliable Outdoor Vacuum Circuit Breaker series. Designed for demanding applications in the 10kV and 35kV distribution networks, this product embodies our commitment to quality, safety, and performance. With over a decade of experience and a footprint across global markets from North America to Southeast Asia, we understand the critical need for durable switching and protection solutions. Our vacuum circuit breakers are engineered to provide superior arc-quenching performance, minimal maintenance requirements, and exceptional longevity, ensuring the stability and safety of your power infrastructure. The customizable configuration option allows us to tailor the breaker to your specific grid requirements and operational standards.
This outdoor vacuum circuit breaker is a key component for safe and reliable power distribution and protection. Its core technology utilizes a vacuum interrupter as the arc-extinguishing and insulating medium, which offers significant advantages over other types of breakers.
- Superior Arc Quenching: The high vacuum inside the interrupter provides excellent dielectric recovery strength, enabling rapid and effective extinguishing of the arc the moment the contacts separate. This results in a clean break, minimal contact erosion, and a long electrical service life.
- Minimal Maintenance: Unlike oil or SF6 circuit breakers, vacuum breakers are sealed for life. There is no need for medium replacement, filtration, or handling of greenhouse gases, drastically reducing lifecycle maintenance costs and environmental impact.
- High Reliability & Safety: The sealed vacuum interrupter is immune to atmospheric conditions such as moisture, dust, and pollution. This makes our outdoor models exceptionally reliable even in harsh environments, from coastal areas to industrial zones.
- Customizable Configuration: We offer flexibility to meet diverse project needs. Parameters such as rated current, breaking capacity, control voltage (AC/DC), and communication interfaces (optional) can be specified. The mechanical operating mechanism (spring) is designed for consistent and dependable operation over its long mechanical life.
- Robust Outdoor Design: The housing is constructed from corrosion-resistant materials with a high-grade protective finish, designed to withstand UV radiation, rain, snow, and wide temperature variations, ensuring years of trouble-free service.
To provide a clear overview of the technical specifications, here are the key parameters for our standard models:
| Parameter | Specification |
|---|---|
| Rated Voltage (Ur) | 12kV, 24kV, 40.5kV |
| Rated Frequency | 50Hz / 60Hz |
| Rated Normal Current (Ir) | 630A, 1250A, 1600A, 2000A, 2500A, 3150A |
| Rated Short-Time Withstand Current (Ik) | 20kA/4s, 25kA/4s, 31.5kA/4s |
| Rated Breaking Current (Isc) | 20kA, 25kA, 31.5kA, 40kA |
| Rated Making Current | 50kA (peak), 63kA (peak), 80kA (peak) |
| Mechanical Life | ≥ 10,000 operations |
| Operating Mechanism | Spring-operated, motor charged |
| Degree of Protection | IP54 (outdoor enclosure) |
The benefits for your operation are substantial. By choosing our vacuum circuit breaker, you gain a protection device that ensures enhanced grid stability through fast fault clearance, reduced total cost of ownership due to minimal upkeep, and improved safety for personnel and equipment. Its adaptability allows for seamless integration into both new installations and retrofit projects across utilities, industrial plants, renewable energy farms, and commercial complexes.
Jinhua Dika Electrical operates a certified quality management system, underscoring our commitment to consistent product excellence. Our annual export volume and presence in diverse international markets are a testament to the reliability of our products. We support our clients with comprehensive technical documentation and a clear 2-year warranty, providing peace of mind with your investment. Our strategic shipping locations in Shanghai, Tianjin, Guangzhou, and Ningbo ensure efficient and flexible logistics to meet your project timelines. For a high-performance, durable, and configurable outdoor circuit breaker solution backed by manufacturer expertise and global service support, contact us today to discuss your specific requirements.
Frequently Asked Questions (FAQ)
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Q: What are the main advantages of a vacuum circuit breaker over an SF6 type for outdoor use?
A: Vacuum circuit breakers offer a sealed-for-life design with no greenhouse gas emissions, lower maintenance needs, and excellent performance stability across a wide temperature range, making them a reliable and environmentally preferable choice for outdoor installations. -
Q: Can this breaker be integrated with an existing SCADA or remote monitoring system?
A: Yes, customizable configurations are available. We can provide breakers equipped with auxiliary contacts, motor charge indicators, and optional intelligent electronic devices (IEDs) for remote status monitoring, control, and data communication. -
Q: What does the 2-year warranty cover?
A: Our warranty covers defects in materials and workmanship under normal operating conditions as specified in our technical manual. It includes the vacuum interrupter, operating mechanism, and main structural components. -
Q: Are the products compliant with international standards like IEC or ANSI?
A> Our standard production follows GB standards which are largely aligned with IEC. Breakers can be manufactured and tested to meet specific IEC, ANSI, or other regional standards upon request as part of the customizable configuration. -
Q: What is the typical delivery lead time for a customized order?
A: Lead time depends on the complexity of customization. For standard models with minor modifications, delivery can often be arranged within 4-6 weeks. We will provide a precise timeline upon confirmation of your technical specifications. -
Q: How do you ensure the product's performance in extremely cold or hot climates?
A: The outdoor enclosure is designed with materials and seals rated for a wide operating temperature range (e.g., -40°C to +55°C). The spring operating mechanism and lubricants are selected to ensure reliable operation throughout this range. Specific low-temperature kits are available for arctic conditions. -
Q: What kind of maintenance is required during operation?
A: Maintenance is minimal. It primarily involves periodic visual inspection, checking the tightness of electrical connections, and verifying the mechanical operation and lubrication of the operating mechanism as per the recommended schedule in the manual. No medium handling is required. -
Q: Do you provide installation guidance and technical support?
A: Absolutely. We provide detailed installation and operation manuals. Our engineering team is available to offer technical support remotely. For large projects, on-site supervision services can be discussed.
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