The outdoor ring main unit integrates the 12kV switchgear, circuit breakers, load switches, current and voltage transformers, power PT cabinets, automation terminal DTU, communication control terminals, and metering cabinets into a movable, sealed, and moisture-proof stainless steel enclosure.
Product Overview
The outdoor ring main unit integrates the 12kV switchgear, circuit breakers, load switches, current and voltage transformers, power PT cabinets, automation terminal DTU, communication control terminals, and metering cabinets into a movable, sealed, and moisture-proof stainless steel enclosure. This modular assembly shortens construction periods and integrates primary and secondary systems in urban distribution networks, significantly improving the reliability of urban grid operation.
By incorporating a distribution automation system, the unit allows for the monitoring, protection, and control of electrical equipment under both normal and fault conditions, enabling unified management.
Product Features
Customizable design that meets the State Grid standards.
Excellent compatibility and scalability, ensuring safety and high efficiency.
Independent function modules with flexible equipment interchangeability.
Compact size, minimal space occupation, and easy installation.
Fast system restoration for power supply.
Enables distribution system intelligence.
High-reliability operation mechanisms, fully meeting high-voltage "five protections" requirements.
Operating Environment
Altitude: ≤1000m
Ambient Temperature: -10°C to +40°C
Relative Humidity: Daily average not exceeding 95%, monthly average not exceeding 90%
Seismic Intensity: Not exceeding 0.4m/s² horizontal acceleration, not exceeding 0.2m/s² vertical acceleration
Installation Location: Free of conductive dust and harmful corrosive, flammable, or explosive materials
No severe vibration at installation site; vertical slope not exceeding 3 degrees
Special Conditions: Custom solutions are available
This product is designed for efficient, reliable, and modular solutions in urban power distribution systems.
