12kV Atmospheric Sealed AIS Air Insulated Switchgear Industrial Power Distribution Cabinet

DSY-V-12kV Atmospheric Sealed Air Insulated Switchgear

Product Overview
The DSY-V-12kV Atmospheric Sealed Air Insulated Switchgear is a medium-voltage distribution unit developed by Dongshengyuan Electrical. It adopts an atmospheric sealed air-insulated design with advanced arc-extinguishing technology, ensuring reliable performance, environmental friendliness, and safe operation. This switchgear is widely used in 12kV power distribution networks such as urban grids, industrial facilities, commercial centers, and renewable energy projects.

Key Features
• Air-insulated, sealed design – Environmentally friendly with no SF6 gas.
• Compact modular structure – Flexible configuration for different network requirements.
• High safety – Equipped with mechanical interlocks and fault-proof functions to prevent misoperation.
• Cost-effective – Lower lifecycle cost compared to SF6 switchgear.
• Maintenance-friendly – Simplified structure with reduced service needs.
• Reliable operation – Designed for long service life under demanding conditions.

Technical Specifications
Rated voltage: 12kV
Rated current: 630A (optional up to 1250A)
Rated short-circuit breaking current: 20kA
Power frequency withstand voltage: 42kV / 1min
Lightning impulse withstand voltage: 75kV
Insulation type: Sealed Air Insulation
Protection degree: IP4X (cabinet), IP2X (compartments)
Service life: >30 years

Application Fields
• Urban medium-voltage distribution networks
• Industrial parks and manufacturing plants
• Commercial complexes and public infrastructure
• Renewable energy integration (wind and solar power)
• Distribution automation and smart grid projects

Why Choose DSY-V-12kV Atmospheric Sealed Air Insulated Switchgear?
• Compliant with IEC & GB international standards.
• Eco-friendly solution – No greenhouse gas emissions.
• High operational safety with advanced interlocking system.
• Cost-effective alternative to SF6 switchgear.
• Reliable, durable, and suitable for diverse installation environments.