| Brand | ROCKWILL |
| Numero ng Modelo | 24kV SF6 Insulated Ring Main Unit (RMU) 24kV na may Insulated SF6 na Ring Main Unit (RMU) |
| Tensyon na Naka-ugali | 12kV |
| Rated Current | 250A |
| Rated short-circuit breaking current | 20kA |
| Pangalawang pinagkukunang kuryente | NO |
| Serye | Sabre |
Product Description
Ang Sabre Ring Main Unit (RMU) ay isang high-performance na medium-voltage switchgear na inihanda para sa secondary distribution networks hanggang 24kV. May SF6 gas insulation at sealed stainless steel tank, nagbibigay ito ng extraordinary na reliabilidad na may annual gas leakage rate ≤0.1% at 30-year service life. Magagamit sa non-extensible, extensible, at modular configurations, sumusuporta ito sa indoor/outdoor installation at naglalaman ng advanced safety, remote monitoring, at flexible expansion capabilities—ideal para sa utilities, commercial, industrial, at critical infrastructure applications.
Key Features
Pinakamahusay na Safety Protection: Nakakamit ng mechanical interlocks, padlocking facilities, at anti-reflex mechanisms upang iwasan ang accidental operation. Fully internal arc-rated (ayon sa IEC standards) para sa maximum na kaligtasan ng operator at mga pedestrian.
SF6 Gas Insulation: Ang sealed stainless steel tank na may SF6 insulation ay nagbibigay ng excellent dielectric performance, minimal maintenance, at resistance sa harsh environmental conditions.
Matagal na Service Life & Reliability: Ang robotic welding para sa structural integrity, fully sealed oil tank (kung applicable), at high mechanical endurance components ay nagbibigay ng 30-year life expectancy.
Modular & Extensible Design: Ang non-extensible, extensible, at modular formats ay nagbibigay ng on-site expansion nang walang special tools o SF6 gas transfer, na sumasang-ayon sa evolving network needs.
Remote Monitoring & Control: Seamless integration with Gemini 3 RTU para sa real-time monitoring ng gas pressure, partial discharge, at switch status. Sumusuporta sa remote operation at predictive maintenance.
Madali na Installation & Maintenance: Ang factory-tested at pre-assembled modules ay nagbibigay ng mabilis na on-site deployment. Ang maintenance-free design na may accessible components at ≤4-hour single-bay replacement time.
Wide Environmental Adaptability: Nag-ooperate sa -25℃ to 60℃ temperatures, hanggang 1000m altitude (without derating), at nakakaresist sa pollution, sandstorms, at coastal salt spray.
Comprehensive Protection Options: Nagbibigay ng TLF (time limit fuses) o self-powered relay protection para sa overcurrent at earth faults.
Smart Grid Ready: Integrates with SCADA systems at sumusuporta sa auto-changeover, auto-sectionalizing, at real-time network condition monitoring para sa smart grid applications.
Compact & Flexible Mounting: Ang freestanding o transformer-mounted designs ay sumasang-ayon sa limited spaces, na may IP54 protection para sa 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 para sa branching at distributing power sa residential areas, suburban communities, at rural towns. Ang compact design nito ay sumasang-ayon sa narrow installation spaces, habang ang low leakage at long service life ay nagbabawas ng grid operational costs. Ang extensible feature ay sumusuporta sa future network expansion.
Commercial & Public Facilities: Suitable para sa hotels, shopping centers, hospitals, office buildings, at data centers. Ang remote monitoring ay nagbibigay ng 24/7 stable power supply, at ang non-exposed live parts plus safety interlocks ay nagprotekta sa dense human traffic. Ang mabilis na installation ay sumasang-ayon sa building construction timelines.
Renewable Energy Integration: Perfect para sa wind at solar power projects (utility-scale at distributed). Ito ay konektado sa renewable energy systems sa grid, nag-stabilize ng power output, at gumagana kasama ang energy storage systems. Ang environmental adaptability nito ay nakakaresist sa desert, plateau, at coastal conditions.
Critical Infrastructure & Transportation: Inilalapat sa airports, tunnels, underground railways, at ports. Sumusunod sa mahigpit na safety standards (internal arc protection, seismic resistance) at sumusuporta sa remote operations at maintenance upang bawasan ang on-site disruptions. Nakakaresist sa harsh environments tulad ng salt spray at sandstorms.
Industrial Plants: Nagbibigay ng power sa manufacturing facilities (automotive, mining, cement, petroleum), water/wastewater treatment plants, at industrial parks. Ang flexible protection options (TLF/relay) ay sumusunod sa industrial load demands, at ang modular expansion ay sumusuporta sa production capacity growth.
