Medium Voltage GIS Gas Insulated Switchgear Ring Network Switchgear Fully Sealed 630A

Gas Insulated Ring Network Switchgear DSY-12/24

Product Overview
The DSY-12/24 Gas Insulated Ring Network Switchgear is a compact and modular medium-voltage distribution unit developed by Dongshengyuan Electrical. Designed for 12kV and 24kV power systems, it offers high reliability, safety, and flexibility for modern distribution networks. Its fully sealed gas-insulated design ensures protection against harsh environmental conditions, making it suitable for both indoor and outdoor applications.

Key Features
• Gas-insulated, fully sealed – Resistant to dust, humidity, and pollution.
• Compact modular structure – Flexible for expansion and different connection schemes.
• High safety – Equipped with mechanical interlocks and fault-proof design.
• Eco-friendly options – Available with SF6 or environmentally friendly gas insulation.
• Reliable performance – Long service life, minimal maintenance required.
• Wide application – Suitable for urban distribution networks and renewable energy projects.

Technical Specifications
Rated voltage: 12/24kV
Rated current: 630A (optional up to 1250A)
Rated short-circuit breaking current: 20kA / 25kA
Power frequency withstand voltage: 42kV / 1min (12kV); 65kV / 1min (24kV)
Lightning impulse withstand voltage: 75kV (12kV); 125kV (24kV)
Protection degree: IP67 (main circuit)
Insulation type: SF6 / Eco-friendly gas
Service life: >30 years

Application Fields
• Urban medium-voltage distribution networks
• Industrial parks and large factories
• Commercial centers and residential communities
• Renewable energy integration (wind and solar power)
• Distribution automation systems

Why Choose DSY-12/24?
• Compliant with IEC & GB international standards.
• Compact footprint, optimized for space-saving installations.
• High safety design with advanced interlock mechanisms.
• Flexible customization to meet diverse project requirements.
• Cost-effective solution for reliable power distribution.

Shenzhen  Dongshengyuan  Electrical  Equipment  Co., Ltd was established in  2005  with a registered capital of  50.6  million yuan. It is a modern high-tech company specializing in the research and development, manufacturing, sales, and service of high and low-voltage transmission and distribution equipment, distribution line protection, and power automation products. Technology enterprise. It is a qualified supplier of many central enterprises and large enterprises such as State Grid and China Southern Power Grid.

The company currently has more than 2,000 square meters of office buildings and more than 12,000 square meters of production workshops. The sheet metal workshop has  Han's  G3015F  high-power fiber laser cutting machine, AMADA  HS2204  CNC  bending machine, AG-6020(dual axis)CNC  bending machine, HPS- 1250X Taiwan Laifu CNC turret punch, QC12Y-6*3200 shearing plate Sheet metal equipment such as machines,pnching machines,e tc.; the gas-flled switchgear workshop has automatic gas-filled switchgear production lines, Panasonic welding robots, automatic helium quality general leak detectors and other production equipment, the quality inspection workshop has intelligent temperature rise, partial discharge, shielding rooms, Various test equipments such as pressure tester, mechanical property tester, etc. The company has strong production capacity, advanced production technology, perfect inspection process and specifications, and an ERP system management throughout the entire process from design to production.

The company currently employs 200 people, including 40 technicians, accounting for 20.8%of the company's total number of employees. The company has always adhered to the development strategy of  "science and technology promotes development, technology creates brand, and innovation increases strength", promotes technological progress with scientific research, transforms scientific and technological achievements with technological practice, and solves various problems that restrict production through continuous scientific and technological innovation. So far, Shenzhen Dongshengyuan has obtained more than 60 patents, and its business scope covers all parts of the country and overseas.

The company's plan completion rate is as high as 98%, product qualification rate is 9%, excellent quality, high-quality service, established a good company brand image, achieved the company's goal of taking a sustainable development path, and made "Dongshengyuan" an industry leader. Quality brand.

Since its establishment, the company has always adhered to  "people-oriented", advocated and promoted the enterprise spirit of integrity, dedication, unity, and innovation,  and the business philosophy of  "quality first,reputation-based, and excellent service".The excellent external environment of the special zone and the strong support of the municipal and district governments have made considerable progress.  The company has introduced several senior industry experts with national invention patents for technical cooperation, and has several senior engineers and senior technicians. And according to the third-level power engineering construction general contracting and the fourth-level qualification for installation (repairing and testing), it has been rated as a good faith management enterprise by the industry association for many years.

In  2007, the company passed the  ISO9000  quality management system certification, and in  2014, the company passed the  OHSAS18000  environmental management system certification the ISO14000 environmental certification system. The company is based on a high starting point, high quality, and high level. In 2014, it fully implemented  ISO9001:2000 international quality management and established a sound quality assurance system. Now it has internationally advanced research and development, testing, and production equipment, and has a fixed capital of nearly 20 million yuan. Lay a solid foundation to ensure product quality. The products produced have been highly recognized and widely praised by customers in the practical operation of the power grid system.

Our company has set up a full-time after-sales service organization to ensure a 4-6-hour response time to the scene to deal with emergencies. For common accessories and switchgear bodies, our company has carried out inventory stocking, can actively and quickly respond to emergency repair tasks, and has received high praise from multiple power supply systems.

The company adheres to the development vision of "Together in the same boat and create great achievements together“, adheres to the development strategy of "survive by quality, technology-oriented, reputation for development, and management to create benefits", relying on its own advantages to give full play to the advantages of technology and product research and development. To better serve users.

In  February 2020, the company established a wholly owned subsidiary of Dongshengyuan (Guangdong) Intelligent Electric Co., Ltd. in Zhuhai, to undertake the manufacturing business of the parent company. Covering an area of 30 acres, with a construction area of 50,000 square meters, the company's production will be relocated as a whole by the end of 2021, with an annual output value of about one billion production capacity.