| Brand | ROCKWILL |
| Model NO. | Reliable SF6 Insulated Switchgear/RMU for power distribution system-24kV |
| Rated voltage | 24kV |
| Rated frequency | 50/60Hz |
| Series | RMR |
RMR-24 SF6 gas insulated ring main unit has passed type tests at a national electrical testing center. It is widely used in 24kV/12kV power distribution systems, making it a preferred switchgear solution for urban and rural networks.
The cabinet adopts a modular unit design, configurable for different applications through a combination of fixed and expandable units. This modular approach, supporting both full and half modules, offers exceptional flexibility. The switchgear complies with GB standards and has a design life exceeding 30 years under indoor conditions (20℃).
High-efficiency insulation performance: SF₆ gas with high insulation strength for stable 24kV operation
Compact design: space-saving for urban and industrial installations
High reliability: sealed structure, dustproof/moisture-proof/corrosion-resistant
Safety: complete interlocking protection, SF₆ leakage detection
Flexible adaptability: supports multiple wiring schemes
Environmental and economical: SF₆ recyclable, long service life
| Rated voltage | 24 kV |
| Rated frequency | 50/60 Hz |
| Rated current | 630 A |
| Rated short-time withstand current | 20 kA / 3s |
| Rated peak withstand current | 50 kA |
| Power frequency withstand voltage (1 min) | 50 kV (phase-to-earth/between phases) |
| 60 kV (across isolating distance) | |
| Lightning impulse withstand voltage (peak) | 125 kV (phase-to-earth/between phases) |
| 145 kV (across isolating distance) | |
| Degree of protection | IP67 |
Suitable Altitude: ≤ 2000m Suitable
Temperature: -40℃ ~ +55℃
Humidity: Daily mean ≤ 95%, monthly mean ≤ 90%
Gradation of Earthquake Damage: ≤ Level 8
The RMR-24 is widely used in 24kV/12kV distribution systems and is a preferred switchgear solution for urban and rural power networks.
The RMR-24 features a modular unit design, configurable through combinations of fixed and expandable units. It supports full and half modules, providing exceptional flexibility for on-site deployment.
Yes. The RMR-24 is equipped with SF₆ gas leakage detection, combined with a fully sealed structure for real-time gas integrity monitoring and safe operation.
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