These state-of-the-art circuit breakers boast a pure spring operating mechanism. This ingenious design ensures a simplified structure that is both elegant and efficient, providing exceptional reliability. The operating mechanisms are engineered for an astounding mechanical endurance, surpassing a remarkable 10,000 operations. Furthermore, it is designed for user-friendly maintenance, adhering to the stringent requirements of oil-free and air-free mechanisms. Employing a self-energy arc-extinguishingprinciple, it significantly minimizes the operational power demand of the mechanism, while enhancing the overall reliability and safety of the product.
The innovative flanges feature a dual-seal structural design, with an outer waterproof seal and a gas-tight inner seal, substantially reducing potential leakage and making the product ideally suited for robust outdoor operations.
Service Environment:
1.Ambient temperature: -40 ºC to +55 ºC.
2. Daily average ambient air relative humidity ≤95%,and on average ≤90%,ensuring optimal performance.
3. Wind pressure: less than 700 Pa.
4. Alti tude: less than 3000 m.
5. Earthquake intensity: not exceeding 9 degrees.
6. Air Contamination: grade.
- This Dead Tank type breaker is tailored for 3-phase, outdoor applications,
- boasting a rated voltage of 72.5 KV
- and a robust rated current of 1250 A.
- The rated frequency can be set to either 50 or 60 Hz,
- while SF6 gas serves as the reliable insulation medium.
- It endures a 1-minute power frequency withstand voltage of 140 KV
- and a rated lightning impulse withstand voltage of 325 KV,
- ensuring performance during severe conditions. The rated short circuit breaking current ranges from 25 to 40 kA,
- with a peak value of 63 to 100 kA.
- It is designed for a rated short duration of 3 seconds
- and is capable of breaking rated out-of-phase currents up to 10 kA.
- Additionally, it handles rated cable(line) charging breaking currents of 10 kA,
- with a rated gas pressure of 0.4 MPa,
- Operation Sequence: O-0.3s-CO-180s-CO. Experience seamless performance with our precise timing mechanics.
- SF6 Gas Leakage Rate (Per Year): ≤1%. Ensure robust environmental safety with minimal leakage.
- First Pole Factor: 1.5. Achieve superior operational reliability with our advanced engineering.
- Main Loop Resistance: ≤40μΩ. Designed for optimal conductivity and efficiency.
- Heater Voltage: AC 220V. Adapt to various conditions with consistent heating performance.
- Control Circuit and Signal Circuit Voltage: DC110, DC220, DC230V. Versatile voltage options for comprehensive control.
- Motor Voltage: DC110V, DC 220V. Engineered for powerful and reliable motor operations.
Company Introduction
Zhongshao Electrical Incorporated Co., Ltd, a visionary in electrical excellence, was established on April 7, 2013.Nestled in the Zhongshao Industrial Park within Shaoshan High-tech Industrial Development Zone, Hunan Province, our company thrives.
As a specialized technology enterprise and a recognized national high-tech powerhouse, we focus on the meticulous research, development, production, sales, and service of complete electrical equipment, smart distribution networks, medium and low voltage distribution, and power transformers.
With a robust registered capital of RMB 100 million, our dynamic team of over 300 dedicated employees operates within an expansive 68,000 square meter facility.At Zhongshao Electrical Incorporated Co., Ltd, our commitment to excellence is bolstered by a seamless sales, logistics, after-sales service, and technical consultation ecosystem. We proudly hold ISO9001 Quality Management System Certification, alongsideISO14001 Environmental Management System Certification, and OHSAS18001 Occupational Health and Safety Management System Certification. We are guided by our core principle: "Professional Manufacturing, Dedicated Service." By continuously integrating advanced foreign automation technologies and world-leading innovations, we have established cutting-edge facilities including a research building, a state-of-the-art testing center, a provincial-level industrial design hub, and a pioneering post-doctoral workstation.
Leveraging our provincial-level technology center and maintaining extensive collaborations with prestigious research institutions domestically and internationally, we have successfully developed the ZS series, advanced secondary integration, and intelligent distribution network equipment with proprietary rights, along with the fifth-generation intelligent feeder terminals and intelligent substation terminal distribution products.
Our products are validated through rigorous testing and safety evaluations by the China Electric Power Research Institute Co., Ltd. We hold over ten patents for inventions and utility models, five software copyrights, with some products setting new standards in the domestic market.
Product Packaging
Product Packaging
FAQ
Q: What are your major products?
A: Our major offerings include oil immersed transformers, dry type transformers, transformer substations, high and low voltage switchgear, and an array of low-voltage electronic components.
Q: Can your product be customized? A: Absolutely! Considering variations in voltage, frequency, and specific transformer needs across different regions, we offer customized solutions to meet your exact specifications.
Q: When can I get the price?
A: We strive to respond with a competitive quote within 24 hours after receiving your inquiry.
Q: What about lead or shipping time? A: Lead time is contingent on your order size, typically within 15 days following the receipt of your advance payment.
Q: What is the price of shipping?
A: Prices fluctuate depending on the port of delivery, ensuring competitive rates tailored to each destination.
Q: Do you offer a guarantee for your products?
A: Yes, we are proud to offer a minimum guarantee of one year for all of our transformers, underscoring our commitment to quality and reliability.
Q: What are your competitive advantages?
A: With 15 years of industry expertise, we boast cutting-edge production equipment, ensuring unmatched stability in quality. Our rapid delivery timelines and professional service are complemented by our dedication to excellence. We even provide some complimentary parts to further enhance our customer satisfaction.
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