These circuit breakers are meticulously equipped with precision-engineered pure spring operating mechanisms, ensuring a streamlined structure that epitomizes simplicity and efficiency. This remarkable design contributes to a highly reliable and straightforward mechanism. With an impressive mechanical endurance, the circuit breaker's operating mechanism boasts a durability surpassing 10,000 cycles, offering extraordinary longevity and durability times, thus providing unmatched convenience in maintenance while adhering to the demands for an oil-free and air-free mechanism. The breaker employs an innovative self-energy arc-extinguishingprinciple, significantly reducing the operational power requirements of the mechanism and enhancing the operational reliability of the product.
Additionally, the flanges incorporate a dual-seal structural design, where the outer seal ring ensures water resistance and the inner seal ring guarantees gas resistance. This thoughtful design greatly minimizes leakage, rendering the product exceptionally suited for outdoor operations.
Service Environment:
1.Ambient Temperature: ranging from -40 ºC to +55 ºC,ensuring adaptability in diverse climates.
2. Daily Average Ambient Air Relative Humidity ≤95%, maintaining an average of ≤90%.
3. Wind Pressure: capable of withstanding less than 700 Pa.
4. Alti tude: operational efficiency below 3000 m.
5. Earthquake Intensity: engineered to endure seismic activity not exceeding 9 degrees.
6. Air Contaminationon: suitable for specified grade levels.
- This robust Dead Tank type circuit breaker is designed for 3-phase outdoor usage,
- featuring a rated voltage of 72.5 KV,
- rated current of 1250 A,
- and rated frequency options of 50 or 60 Hz.
- The insulation medium employed is SF6 gas,
- with a 1-minute power frequency withstand voltage rated at 140 KV.
- It possesses a remarkable rated lightning impulse withstand voltage of 325 KV,
- a rated short circuit breaking current ranging from 25 to 40 kA,
- and a peak rated short circuit breaking current of 63 to 100 kA.
- The breaker is equipped to handle a rated short duration of 3 seconds,
- and a rated out-of-phase breaking current of 10 kA,
- along with a rated cable (line) charging breaking current of 10 kA.
- Moreover, it features a rated gas pressure of 0.4 MPa, ensuring optimal performance.
- Operation Sequence: Experience seamless performance with our Substation Circuit Breaker 6000, featuring a precise operation sequence of O-0.3s-CO-180s-CO, ensuring optimal reliability and efficiency in outdoor settings.
- SF6 Gas Leakage Rate (Per Year): Designed with precision engineering, our cutting-edge technology ensures the SF6 gas leakage rate is effectively minimal, providing eco-friendly and sustainable solutions.1%
- First Pole Factor: Achieve a superior performance standard with a first pole factor of 1.5, enhancing the functionality and dependability of circuit operations.
- Main Loop Resistance: Our advanced design keeps the main loop resistance at an optimized level, ensuring superior conductivity and minimal energy loss. ≤40μΩ
- Heater Voltage: Seamlessly integrate with existing systems using a heater voltage of AC 220V, providing consistent and reliable heating performance.
- Control Circuit and Signal Circuit: Engineered for precision, our control and signal circuits are designed for high-efficiency operations, ensuring seamless communication and control. Voltage: Our versatile voltage options, including DC110, DC220, and DC230V, cater to diverse operational needs, guaranteeing robust and flexible electrical performance.
- Motor Voltage: Benefit from optimal power delivery with motor voltages of DC110V and DC220V, ensuring adaptable and efficient motor operations.
Company Introduction
Zhongshao Electrical Incorporated Co., Ltd, established on April 7, 2013,is strategically located in the vibrant Zhongshao Industrial Park of Shaoshan High-tech Industrial Development Zone, Hunan Province.
As a specialized technology powerhouse and a national high-tech enterprise, we excel in the research, development, production, sales, and service of cutting-edge electrical equipment, including smart distribution networks, medium and low voltage distribution systems, and power transformers.
With a registered capital of RMB 100 million, our company boasts over 300 dedicated employees across a sprawling 68,000 square meters state-of-the-art factory.Zhongshao Electrical Incorporated Co., Ltd is renowned for its comprehensive sales, logistics, after-sales service system, and robust technical consultation framework, bolstered by our attainment of ISO9001 quality management system certification,ISO14001 environmental management system certification, and OHSAS18001 occupational health and safety management system certification, demonstrating our commitment to excellence. Embracing the core philosophy of 'professional manufacturing, dedicated service,' we continually invest in cutting-edge foreign automated production equipment, adopting world-class technologies. Our facilities include a scientific research building, testing center, provincial-level industrial design center, and a provincial-level post-doctoral workstation, all aligned with domestic advanced standards.
Leveraging our provincial-level technology center, we collaborate extensively with leading research institutions globally. Our innovative advancements have led to the development of the ZS series secondary integration and deep secondary integration intelligent distribution network equipment, featuring independent intellectual property rights, alongside the fifth-generation intelligent feeder terminals and intelligent substation terminal distribution products.
These pioneering products have successfully passed rigorous professional testing and business safety inspections by China Electric Power Research Institute Co., Ltd. Our impressive portfolio includes over ten invention and utility model patents, five software copyrights, with select products achieving domestic leadership status.
Product Packaging
Product Packaging
FAQ
Q: What are your major products?
A: Our diverse range includes oil-immersed transformers, dry-type transformers, transformer substations, high and low voltage switchgear, and a variety of low-voltage electronic components, catering to a wide array of electrical needs.
Q: Can your product be customized? A: Absolutely! We understand the global diversity in voltage, frequency, and transformer specifications, and thus offer customizable solutions tailored to meet your specific requirements, ensuring seamless integration and optimal performance across different regions.
Q: When can I get the price?
A: Our response time is swift, typically providing you with a competitive quote within 24 hours of receiving your inquiry, ensuring you can make informed decisions promptly.
Q: What about lead or shipping time? A: Lead times are contingent upon your order quantity, generally fulfilled within a short span of 15 days from receiving your advance payment, ensuring timely delivery and satisfaction.
Q: What is the price of shipping?
A: Prices are subject to change based on the specific port of delivery, ensuring flexibility and convenience for our esteemed customers.
Q: Do you provide a guarantee for your products?
A: Certainly! We are proud to offer a robust guarantee of at least one year for all of our transformers, reflecting our commitment to quality and customer satisfaction.
Q: What sets your company apart from the competition?
A: With 15 years of industry experience, we boast advanced production equipment and deliver consistently stable quality. Our fast delivery and professional, attentive service are complemented by the provision of some complimentary parts to further enhance your experience.
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