Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
SF6-12/394 Gas Insulated Bushing: Compact 12kV fuse cylinder for ring main unit switchgear, 75kV lightning impulse, 42kV withstand, 1.0×10⁻⁹ Pa·m³/s leakage, epoxy resin casting.
Compact SF6-12/394 Gas Insulated Bushing Design: Premium SF6-12/394 model gas insulated bushing featuring compact design specifically engineered for 12kV dry sulfur hexafluoride inflatable switchgear and ring main units, delivering exceptional electrical insulation with 42kV power frequency withstand and 75kV lightning impulse protection, ensuring ultra-low leakage rate of 1.0×10⁻⁹ Pa·m³/s for sealed SF6 gas compartments in space-constrained power distribution installations.
Optimized Fuse Cylinder Technology: SF6-12/394 incorporates specialized epoxy resin casting with surface-treated center conductor ensuring superior mechanical strength and gas-tight sealing performance, engineered for optimized mounting configurations in 12kV inflatable switchgear systems, fully compatible with busbar assemblies, plug connectors, and sealing rings to provide complete integration solution for modern SF6 gas insulated equipment and compact ring main unit applications.
Advanced Switchgear Integration: SF6-12/394 model supports next-generation ring main units and SF6 switchgear installations with UL94 V1 flame retardant rating, 105±5°C glass transition temperature, and professional-grade dielectric properties including ≤0.2% hydroscopicity, 1.0×10¹⁴Ω insulation resistance, and ≥18kV/mm disruptive strength for reliable operation in demanding compact power distribution environments and modern substation applications.
| Selection | Drawing No. |
| SF6-12/394 | 5RA12.013.111 |
| Category | Parameter | Value | Unit |
|---|---|---|---|
| Technical Parameter | PF | 42 | kV/1min |
| Technical Parameter | PD | 1.1Ur≤3 | pC |
| Technical Parameter | Flame Retardant Rating | V1 (Special Requirements) | UL94 |
| Technical Parameter | Tg | 105±5 | ℃ |
| Technical Parameter | Lightning Impulse | 75 | kV |
| Technical Parameter | Leakage Rate | 1.0×10⁻⁹ | Pa·m³/s |
| Technical Parameter | Color | Red | — |
| Raw Material Parameter | Hydroscopicity | ≤0.2 | % |
| Raw Material Parameter | Dielectric Loss | 0.01 | — |
| Raw Material Parameter | Insulation Resistance | 1.0×10¹⁴ | Ω |
| Raw Material Parameter | Disruptive Strength | ≥18 | kV/mm |
| Raw Material Parameter | Arc Resistance | 182 | s |
| Raw Material Parameter | Impact Strength | ≥7 | kJ/m² |
| Raw Material Parameter | Bending Strength | ≥110 | N/mm² |
Bepto is a leading Chinese company in electrical insulation, focused on developing advanced solutions for future power systems. We support transmission and distribution safety and growth, with long-term partners including State Grid, ABB, Schneider, Siemens, and GE. Our services reach clients in over 22 countries.
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Bepto focuses on the global market and provides our clients with products suitable for the local market:
Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
