Free gas (Pure air / Nitrogen) ring main units
Essential Type, Routine, and Site Acceptance Tests for Modern Eco-Friendly RMUs
1. Type Test System and Standards Type testing verifies the design rationality and safety of eco-friendly insulated ring main units (RMUs), based on IEC 62271-200 and GB/T 3906, and includes: Insulation Performance: For 12kV RMUs, power frequency withstand voltage is 42kV (1 min) for main circuits a
Login