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SafeRing Series - SF6 Gas-Insulated Compact Ring Main Units
The SafeRing series represents ABB-compatible SF6 gas-insulated compact ring main units with advanced safety features. Fully sealed design with SF6 insulation provides excellent performance in harsh environments while ensuring operator safety.
Model Number Breakdown
Applications
Urban power distribution networks
Industrial facility power intake
Renewable energy collection systems
Underground distribution substations
Key Features
- Fully sealed SF6 gas insulation system
- Enhanced operator safety with arc containment
- Compact footprint for space-limited installations
- Suitable for 12kV and 24kV networks
Specifications Range
All specifications and dimensions can be customized upon request
Model Selector
| Key parameters | Model Range |
|---|---|
| Rated Voltage | 12, 24 |
| Rated Current | 630 A |
| Max. Fuse Rating | 63–100 A |
| Short-time Withstand Current | 20 kA |
| Protection Level | IP4X |
| Standard | GB3906, IEC 62271-200 |
| Compare | Model | Series | Rated voltage (kV) | Current (A) | Frequency (Hz) | Standard | Weight | Dimensions |
|---|---|---|---|---|---|---|---|---|
| SafeRing-12 | SafeRing | 12 | 630 | 50 | GB3906, IEC 62271-200 | 750 kg | 1100×800×1800 mm | |
| SafeRing-24 | SafeRing | 24 | 630 | 50 | GB3906, IEC 62271-200 | 750 kg | 1100×800×1800 mm |
Product Drawing
Ring Main Unit - SafeRing-12
Note: This is a general product illustration. For detailed technical drawings and specifications, please contact our engineering team.
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Certification
The values below are computed from what you selected above. Anything that cannot be computed yet is shown as an em dash — never as zero.
Iₙ = S / (√3·U) · I_sc = 100·Iₙ / uₖ · S_sc = √3·U·I_sc · I_p = k·Iₖ
Still required to complete the calculation: rated capacity S, impedance voltage uₖ, short-time or peak withstand current.
Per-model values (P0 / Pk / uₖ declared by the factory, losses, noise, temperature rise, dimensions, weight) are not in the product library: those rows stay at an em dash until the factory parameter sheet is supplied. An em dash means the value is unavailable — it is never rendered as zero.
Reference prices are for estimation only and do not constitute a formal offer.
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