
Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
SF6-12/470 Gas Insulated Bushing: 12kV fuse insulating cylinder for ring main unit RMU cabinet, 75kV impulse, 42kV withstand, 1.0×10⁻⁹ Pa·m³/s leakage rate, epoxy resin casting.
Professional SF6-12/470 Gas Insulated Bushing: Premium SF6-12/470 model gas insulated bushing specifically engineered for 12kV dry sulfur hexafluoride inflatable cabinets and ring main units, providing exceptional electrical insulation with 42kV power frequency withstand and 75kV lightning impulse capabilities, ensuring ultra-low leakage rate of 1.0×10⁻⁹ Pa·m³/s for sealed SF6 gas compartments in critical power distribution applications.
Advanced Fuse Insulating Cylinder Technology: SF6-12/470 features specialized epoxy resin casting with surface-treated center conductor ensuring superior mechanical strength and gas-tight sealing performance, designed for precise mounting requirements in 12kV inflatable cabinet systems, fully compatible with busbar, plug connectors, and sealing rings to provide complete integration solution for SF6 gas insulated switchgear and ring main unit installations.
Premium RMU Cabinet Integration: SF6-12/470 model supports modern ring main units and SF6 switchgear 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 power distribution environments.

| Selection | Drawing No. |
| SF6-12/470 | 5RA12.013.083 |
| 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.

ceshi2ceshi2ceshi2ceshi2ceshi2

ceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshi
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.