Gemini
Gemini CT,PT
Gemini's OIP Insulated Instrument Transformers, designed for outdoor use, offer total reliability. Our range includes OIP Current Transformers (12 kV to 145 kV) meeting IEC standards.
- Generation
- Substation
Sarel
24kV GIS Switchgear
A Ring Main Unit (RMU) is a totally sealed, gas-insulated (SF6 filled) compact switchgear unit.
Download datasheet (PDF, 3.2 MB)Key specifications
| Product | Sarel RMSYS ring main unit, 12 / 24 kV |
|---|---|
| Insulation | SF6 gas in a sealed stainless steel tank (with pressure manometer) |
| Rated voltage | 12 kV / 24 kV |
| Power-frequency withstand (1 min) | 28 / 50 kV to earth; 32 / 60 kV across isolating distance |
| Lightning impulse withstand | 75 / 125 kV to earth; 85 / 145 kV across isolating distance |
| Rated current | 630 A busbar and functional units |
| Short-time withstand current | 20 kA / 3 s; peak 50 kA |
| Internal arc withstand | 20 kA / 1 s |
| Protection degree (stainless steel tank) | IP67 |
| Switching | 3-position rotary switches (closed/open/earthed) with vacuum circuit breaker or fuse units |
| Modules | I (line switch), F (switch-fuse), V (vacuum CB), M (metering); extensible and non-extensible |
| Standards | IEC 62271-1 (pressure relief) |
From the manufacturer's datasheet. Ratings vary by model, so our engineers confirm the exact specification with your quotation.
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