
Gas Insulated Ring Main Unit Modular for Indoor Distribution. Fully Insulated Sealed Design: Live parts sealed in stainless steel gas tank with IP67 protection for maintenance-free operation. Compact Modular Construction: 12kV unit width 325-500mm, configurable for 2-6 circuits, ideal for space-constrained installations. Eco-Friendly Insulation Options: Available with dry air or N2 as SF6-free alternatives with zero greenhouse gas emissions. Comprehensive Interlocking System: Dual mechanical and electrical interlocks prevent maloperations and ensure operator safety. High Reliability & Flexibility: Core equipment for ring or radial power supply systems with minimal maintenance requirements. Wide Application Scope: Suitable for urban residential, commercial, industrial, renewable energy, and rail transit networks. Customizable Solutions: Tailored project selection support, drawings, and type-test reports available upon request. Robust Mechanical Life: Mechanical life exceeds 3000 operations and electrical life exceeds 10000 operations.