KYN28-12 Armored Removable AC Metal Enclosed Switchgear

Product Overview
The KYN28-12 Armored Removable AC Metal Enclosed Switchgear is a medium-voltage distribution equipment developed by Dongshengyuan Electrical. It adopts a metal-clad, removable structure with air insulation, designed for 12kV power systems. This switchgear provides reliable protection, flexible operation, and enhanced safety features, making it ideal for power plants, substations, industrial facilities, and large-scale infrastructure projects.

Key Features
• Metal-clad armored structure – High mechanical strength and enhanced operator safety.
• Removable vacuum circuit breaker – Easy replacement and maintenance.
• Flexible configuration – Multiple wiring schemes and modular expansion supported.
• High reliability – Stable operation with advanced protection and interlock mechanisms.
• Easy maintenance – Drawer-type design for convenient inspection and service.
• Wide application – Suitable for indoor medium-voltage distribution networks.

Technical Specifications
Rated voltage: 12kV
Rated current: 630A / 1250A / 2500A / 3150A
Rated short-circuit breaking current: 20kA / 25kA / 31.5kA
Power frequency withstand voltage: 42kV / 1min
Lightning impulse withstand voltage: 75kV
Insulation type: Air insulation
Protection degree: IP4X (cabinet), IP2X (compartments)
Circuit breaker type: Removable Vacuum Circuit Breaker
Service life: >30 years

Application Fields
• Power plants and substations
• Industrial parks and manufacturing facilities
• Commercial centers and infrastructure projects
• Urban medium-voltage distribution networks
• Renewable energy integration (solar and wind power)

Why Choose KYN28-12?
• Compliant with IEC & GB international standards.
• Armored, metal-clad design ensures maximum safety.
• Removable circuit breaker for convenient maintenance.
• Flexible and modular configuration for diverse projects.
• Reliable, durable, and cost-effective solution for modern distribution networks.