Overview
Outdoor Ring Main Unit (RMU)
The Outdoor Ring Main Unit (RMU) is a rugged SF6 gas-insulated switchgear, designed to withstand extreme environmental conditions while ensuring reliable power distribution. Built for high durability and low maintenance, it is ideal for outdoor installations in utility grids, renewable energy projects, and heavy industrial zones.
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Key Features
Weatherproof Design
IP54-rated (Outdoor) enclosure for harsh environments
Corrosion Protection
Anti-corrosion coating for long-term durability
Voltage & Current Ratings
Rated voltage: 11kV, 22kV, 33kV
Rated current: Up to 630A
Short-circuit withstand: Up to 25kA for 3 seconds
Compact & Scalable
Modular & extendable for future network expansion
Safety & Protection
Internal arc resistance (IAC) – AFLR certified
Visible isolation & grounding for enhanced operator safety
Interlocking system to prevent unauthorized operations
Smart Control & Monitoring
SCADA integration for remote operation
Real-time monitoring sensors for diagnostics and predictive maintenance
Applications
Outdoor Ring Main Units (RMUs) are used in medium-voltage power distribution systems exposed to external environments. Suitable for 11kV, 22kV, and 33kV networks, they are ideal for utilities, substations, wind and solar farms, industrial plants, and infrastructure projects like railways and airports. Their weatherproof, sealed design ensures durability and protection against harsh conditions such as moisture, dust, and extreme temperatures. Outdoor RMUs offer reliable switching, fault protection, and sectionalising with minimal maintenance, ensuring a continuous and safe power supply even in remote or challenging locations.
Enquiry
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