
Indoor and Outdoor Ring Main Units for Flexible Installation Projects. Modular Design: Adopts modular unit mode with fixed and expandable combinations for flexible substation needs. Fully Sealed System: Electrical components enclosed in stainless steel body, immune to dust, moisture, and animals. Maintenance Free: Achieves maintenance-free operation with high reliability and safety insulation. Smart Automation: Offers TV-based automation solutions to minimize on-site installation and commissioning workload. Safety Protection: Features integrated load switches, mechanical interlocking, and live display for operational security. Flexible Installation: Supports multiple entry and combination methods including left, right, up, or forward lines. High Voltage Certified: Passed National High Voltage Apparatus Test Center type test and listed as a high-tech product.