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.