| Muhimmiya | ROCKWILL |
| Model NO. | 24kV SF6 Insulated Ring Main Unit (RMU) 24kV SF6 Insulated Ring Main Unit (RMU) |
| Rated Voltage | 24kV |
| Raitidu kọ̀ọ̀kan | 400A |
| Rated short-circuit breaking current | 16kA |
| Power na gaba | NO |
| Siri | Sabre |
Na'ibi a Bincike
An Sabre Ring Main Unit (RMU) shine switchgear da karkashin kashi mai kyau ga jirgin hanyar 24kV. Da gas insulation da SF6 da tanki mai kwallon kirkiro, yana ba da inganci mai kyau tare da leakage rate na gas shekarar ≤0.1% da zuwa shekaru 30. Yana cikin yadda ake gina, extensible, da modular configurations, ta taimaka wajen aiki a cikin bayan da gaba, ta taimaka wajen aiki a cikin bayan da gaba, da kuma taimaka wajen yanayin remote monitoring da flexible expansion capabilitiesideal don utilities, commercial, industrial, da critical infrastructure applications.
Muhimmanci Nau'o'i
Inganci Mai Kyau: Da mechanical interlocks, padlocking facilities, da anti-reflex mechanisms don sake masu inganci. Fully internal arc-rated (per IEC standards) don maximum operator and pedestrian safety.
Gas Insulation da SF6: Tanki mai kwallon kirkiro da SF6 insulation yana ba da dielectric performance mai kyau, minimal maintenance, da resistance to harsh environmental conditions.
Zuwa Shekaru 30 da Inganci: Robotic welding for structural integrity, fully sealed oil tank (where applicable), da high mechanical endurance components deliver a 30-year life expectancy.
Modular & Extensible Design: Non-extensible, extensible, da modular formats allow on-site expansion without special tools or SF6 gas transfer, adapting to evolving network needs.
Remote Monitoring & Control: Seamless integration with Gemini 3 RTU for real-time monitoring of gas pressure, partial discharge, da switch status. Supports remote operation and predictive maintenance.
Yawan Aiki & Maintenance: Factory-tested and pre-assembled modules enable fast on-site deployment. Maintenance-free design with accessible components and ≤4-hour single-bay replacement time.
Wide Environmental Adaptability: Operates in -25℃ to 60℃ temperatures, up to 1000m altitude (without derating), da resists pollution, sandstorms, da coastal salt spray.
Comprehensive Protection Options: Offers TLF (time limit fuses) or self-powered relay protection for overcurrent and earth faults.
Smart Grid Ready: Integrates with SCADA systems and supports auto-changeover, auto-sectionalizing, da real-time network condition monitoring for smart grid applications.
Compact & Flexible Mounting: Freestanding or transformer-mounted designs fit limited spaces, with IP54 protection for outdoor use (no kiosk required).
Technical Specifications
Parameter |
Details |
Rated Voltage |
12kV, 15.5kV, 17.5kV, 24kV |
Rated Current |
Up to 630A |
Rated Short-Time Withstand Current |
16kA, 20kA, 21kA (3 seconds) |
Insulation Medium |
SF6 gas (annual leakage rate ≤0.1%) |
Interruption Medium |
Vacuum (vacuum circuit breaker) |
Protection Rating |
Unit: IP54; HV Tank: IP67; LV Control Box: IP54 |
Operating Temperature Range |
-25℃ to 60℃ |
Maximum Altitude (No Derating) |
1000m |
Mechanical Endurance |
Ring switch: M2 (5000 operations); Circuit breaker: M1 (2000 operations) |
Internal Arc Rating |
Up to 21kA for 1 second (unit); 12.5/20kA for 1 second (cable box, optional) |
SF6 Filled Pressure |
0.4~0.5 Bar (G) |
Mounting Options |
Freestanding (indoor/outdoor), transformer-mounted |
Application Scenarios
Urban & Rural Medium-Voltage Distribution Networks: Ideal for branching and distributing power in residential areas, suburban communities, and rural towns. Its compact design fits narrow installation spaces, while low leakage and long service life reduce grid operational costs. The extensible feature supports future network expansion.
Commercial & Public Facilities: Suitable for hotels, shopping centers, hospitals, office buildings, and data centers. Remote monitoring ensures 24/7 stable power supply, and non-exposed live parts plus safety interlocks protect dense human traffic. Fast installation adapts to building construction timelines.
Renewable Energy Integration: Perfect for wind and solar power projects (utility-scale and distributed). It connects renewable energy systems to the grid, stabilizes power output, and works with energy storage systems. Its environmental adaptability withstands desert, plateau, and coastal conditions.
Critical Infrastructure & Transportation: Deployed in airports, tunnels, underground railways, and ports. Complies with strict safety standards (internal arc protection, seismic resistance) and supports remote operations and maintenance to minimize on-site disruptions. Resists harsh environments like salt spray and sandstorms.
Industrial Plants: Powers manufacturing facilities (automotive, mining, cement, petroleum), water/wastewater treatment plants, and industrial parks. Flexible protection options (TLF/relay) adapt to industrial load demands, and modular expansion supports production capacity growth.
