| Brand | ROCKWILL |
| Numero sa Modelo | 24kV SF6 Insulated Ring Main Unit (RMU) 24kV SF6 Insulated Ring Main Unit (RMU) |
| Naka nga boltahang rated | 24kV |
| Rated Current | 400A |
| Rated na nga kusog sa pag-abli sa short circuit | 16kA |
| Reserba na kapangyarihan | NO |
| Serye | Sabre |
Product Description
Ang Sabre Ring Main Unit (RMU) usa ka high-performance medium-voltage switchgear gihimo para sa secondary distribution networks hangtod 24kV. Naglakip kini og SF6 gas insulation ug sealed stainless steel tank, isip naghatag og exceptional reliability pinaagi sa annual gas leakage rate ≤0.1% ug 30-year service life. Available sa non-extensible, extensible, ug modular configurations, suporta kini sa indoor/outdoor installation ug integrates advanced safety, remote monitoring, ug flexible expansion capabilities—ideal para sa utilities, commercial, industrial, ug critical infrastructure applications.
Key Features
Superior Safety Protection: Equipped with mechanical interlocks, padlocking facilities, ug anti-reflex mechanisms aron malikayan ang accidental operation. Fully internal arc-rated (per IEC standards) aron makab-ot ang maximum operator ug pedestrian safety.
SF6 Gas Insulation: Sealed stainless steel tank uban sa SF6 insulation sigurado nga excellent dielectric performance, minimal maintenance, ug resistance sa harsh environmental conditions.
Long Service Life & Reliability: Robotic welding para sa structural integrity, fully sealed oil tank (where applicable), ug high mechanical endurance components maghatag og 30-year life expectancy.
Modular & Extensible Design: Non-extensible, extensible, ug modular formats mahimong i-expand sa on-site walay special tools o SF6 gas transfer, adapting sa evolving network needs.
Remote Monitoring & Control: Seamless integration sa Gemini 3 RTU para sa real-time monitoring sa gas pressure, partial discharge, ug switch status. Suporta sa remote operation ug predictive maintenance.
Easy Installation & Maintenance: Factory-tested ug pre-assembled modules mahimong mapabilis ang on-site deployment. Maintenance-free design uban sa accessible components ug ≤4-hour single-bay replacement time.
Wide Environmental Adaptability: Operates sa -25℃ hangtod 60℃ temperatures, hangtod 1000m altitude (without derating), ug resists pollution, sandstorms, ug coastal salt spray.
Comprehensive Protection Options: Offers TLF (time limit fuses) o self-powered relay protection para sa overcurrent ug earth faults.
Smart Grid Ready: Integrates sa SCADA systems ug suporta sa auto-changeover, auto-sectionalizing, ug real-time network condition monitoring para sa smart grid applications.
Compact & Flexible Mounting: Freestanding o transformer-mounted designs fit limited spaces, uban sa 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 ug distributing power sa residential areas, suburban communities, ug rural towns. Ang compact design niini fits narrow installation spaces, while low leakage ug long service life reduce grid operational costs. The extensible feature supports future network expansion.
Commercial & Public Facilities: Suitable para sa hotels, shopping centers, hospitals, office buildings, ug data centers. Remote monitoring ensures 24/7 stable power supply, ug non-exposed live parts plus safety interlocks protect dense human traffic. Fast installation adapts sa building construction timelines.
Renewable Energy Integration: Perfect para sa wind ug solar power projects (utility-scale ug distributed). It connects renewable energy systems sa grid, stabilizes power output, ug works sa energy storage systems. Its environmental adaptability withstands desert, plateau, ug coastal conditions.
Critical Infrastructure & Transportation: Deployed sa airports, tunnels, underground railways, ug ports. Complies sa strict safety standards (internal arc protection, seismic resistance) ug supports remote operations ug maintenance aron minimize on-site disruptions. Resists harsh environments like salt spray ug sandstorms.
Industrial Plants: Powers manufacturing facilities (automotive, mining, cement, petroleum), water/wastewater treatment plants, ug industrial parks. Flexible protection options (TLF/relay) adapt sa industrial load demands, ug modular expansion supports production capacity growth.
