12KV vacuum circuit breaker with Isolation and Grounding

This product 12KV vacuum circuit breaker with Isolation and Grounding offers numerous benefits, including simplicity of installation, reduced maintenance needs, a reassuringly extended lifespan, compact design, affordability, and reliability. The product complies with the technical standards of GB1984-89 and GB/T1984-2003 for AC high-voltage circuit breakers. Key specifications include a main circuit capacity of 630A-20KA and 25KA, with a mechanical lifespan of 10,000 operations. The grounding circuit can withstand 20KA, with a mechanical lifespan of 10,000 operations for the circuit breaker and 3,000 operations for isolation and grounding.

Model:SHV+-12

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Product Description

Product Details

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About us

Kesion Electric Technology Co., Ltd. is a leading company situated in Shenzhen, a vibrant city epitomizing China's reform and open-door policy. Since our establishment in 2016, we have operated from an expansive 11,000-square-meter facility, achieving an annual output value exceeding 90 million yuan. Our workforce of over 100 employees, including 30 skilled engineers and technical experts, enables us to produce more than 3,600 sets of medium-voltage switchgear per year. Throughout the years, our unwavering commitment to developing a comprehensive range of products has set us apart. Our offerings encompass 35kv gas-insulated switchgear (C-GIS and GIS) with current ratings from 630A to 3150A, in addition to circuit breakers, disconnectors, isolating mechanisms, modular controllers, enclosure sheet metal, and busbar systems. We are proud to be at the forefront of technological advancement, utilizing the latest tools and techniques to ensure the quality and reliability of our products.

Moreover, we specialize in 35kV substations, 110kV GIS, 35kV Cable Branch cabinets, 35kV transformers, and 35kV prefabricated substations. Our lineup also features fully insulated and fully enclosed permanent magnet ring main units (research and development products) and environmentally friendly gas ring main units. As a result, all our products are designed, developed, manufactured, marketed, and supported by a reputable power equipment manufacturer. Our company has established a robust management system in accordance with the GB/T standard for performance, company management, and safety production. Safety remains our top priority, and we take pride in housing a technology research and development center with exceptional technical capabilities. Embracing lean production and the fusion of informatization and industrialization, we have developed an advanced production manufacturing system. Our comprehensive range of production and testing equipment includes CNC punching machines, laser cutting machines, robotic welding, automated assembly lines, power frequency withstand voltage devices, shielding partial discharge devices, and vacuum box-type helium leak detection systems. Thanks to our dedication to quality and customer service, our products hold numerous domestic and international certifications and are renowned for their excellence and services worldwide. This has solidified our position as a key strategic partner for numerous reputable manufacturers. With a dedicated technical team and attentive marketing services, we steadfastly uphold the principles of "leading with technology, quick response, and safe electricity use." Our unwavering commitment to cutting-edge technology, competitive pricing, and sincere pre-sales and after-sales services have earned us the trust and admiration of our customers.

Overview

The SHV-12/630A type vacuum circuit breaker, designed for use in gas-insulated switchgear, features a compact, plywood-structured design that allows for easy installation, reliable performance, and a long lifespan with minimal maintenance. This breaker is an excellent alternative to traditional vacuum circuit breakers for insulated switchgear. It meets the rigorous standards set by GB1984-2014 for AC high-voltage circuit breakers, achieving the E2-M2-C2 level. The SHV-12/630A offers key benefits such as easy installation, low maintenance, extended lifespan, and compact size, making it an ideal choice for space-constrained environments, all while ensuring safe and reliable operation. It also complies with the technical requirements of GB1984-89 and GB/T1984-2003 AC high-voltage circuit breakers. Its main circuit has a capacity of 630A-20KA, 25KA, with a mechanical lifespan of 10,000 operations. The grounding circuit has a capacity of 20KA, with a mechanical lifespan of 10,000 operations for the circuit breaker and 3,000 operations for both isolation and grounding.

Basic infomation

Service and Installation Conditions

Altitude of not more than 2000m,

seismic fracture degree of not more than 8 degrees.

Surrounding air temperature is lower than +50ºC, not lower than -40ºC. Relative temperature daily average is not greater than 95%, monthly average is not greater than 90%.

Frequent violent vibration of the installation site, obviously affect the performance of the institution of water vapor, gas, chemical corrosive deposits, salt spray, dust and dirt and its fire, explosion hazardous installation sites are not suitable for use.

Rated SF6 gas pressure 0.04MPa, SF6 gas in line with GB/T12022-2014 "industrial sulfur hexafluoride" requirements.

Structure and performance characteristics

1. The product is novel, beautiful, and practical;

2. Small size, can be closed and split operation without term load (800A and below);

3. A variety of wiring forms, the protection level of IP30, use;

4 Shut-off point, isolation distance is large;

5. Directly display the state of contact splitting and closing;

6. Spring storage energy mechanism, to achieve speed pass, also break; 7. Iron nut locking improves the terminal mechanical q degree;

8. The arc extinguishing system and long arc channel design do not just improve the breaking capacity but reduce the arc zone edge body carbonization and reduce leakage current;

9. Our product offers a wide range of operation and wiring forms, including three j, four j, cabinet, outside the operation, and the board before and after the board wiring. This versatility empowers you to choose the most suitable form for your needs

Main parameters

Structure diagram

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