Porcelain Disc Insulator (High Voltage) Overhead Transmission line Subtotal: ₦10,000.00
Industrial Materials, Ring Main Units (RMU)
Ring Main Unit (RMU)-Medium-Voltage Metal-Enclosed Switch gear
Technical Specifications
Type: Ring Main Unit (Gas-Insulated / Air-Insulated)
Rated Voltage: 11kV / 22kV / 33kV (options available)
Rated Current: 630A / 1250A (depending on model)
Short Circuit Rating: Up to 21kA – 25kA
Insulation Medium: SF6 Gas / Air Insulated
Enclosure Protection: IP4X (indoor) / IP54 (outdoor)
Frequency: 50Hz / 60Hz
Operating Temperature: -15°C to +55°C
Standards Compliance: IEC 62271-100, IEC 62271-200, IEC 60265
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Ring Main Unit (RMU) is a compact, sealed, and factory-assembled switch gear solution used for medium-voltage power distribution. Designed for reliability, safety, and ease of operation, RMUs play a crucial role in ensuring uninterrupted power supply and efficient distribution in utilities, industrial plants, and commercial complexes.
The RMU integrates switches, circuit breakers, fuses, and protective relays in a single enclosure, making it suitable for both indoor and outdoor installations. With gas-insulated or air-insulated designs, it offers enhanced safety, minimal maintenance, and high operational reliability.
Key Features & Functions
Compact Design: Space-saving and easy to install.
High Reliability: Ensures continuous power supply with ring network configuration.
Safety Assured: Equipped with interlocks, earthing switches, and protection devices.
Versatility: Suitable for industrial, commercial, and utility applications.
Low Maintenance: Sealed for life, with gas or air insulation.
Flexible Operation: Can be configured with load break switches, vacuum circuit breakers, and fuses.
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