Transformers BushingRequest a Quote for This Product
HV Silicone Rubber Bushing
As a core transformer accessory, the silicone rubber bushing is widely used for insulated lead-out and external connections in power transformers, prefabricated substations, and various high-voltage electrical equipment. Manufactured using a premium silicone rubber sheds integral injection molding process, offering outstanding resistance to pollution flashover, aging, and weathering — making it suitable for harsh operating environments such as coastal areas with high salt fog, high humidity, and heavy pollution.
Rated Voltage40.5 kV
Power Frequency Withstand Voltage95 kV/1min
Lightning Impulse Withstand Voltage200 kV
Partial DischargeUm ≤ 10 pC
Current Range315 A – 630 A
Product Features
- Premium silicone rubber sheds via integral injection molding, with outstanding resistance to pollution flashover, aging, and weathering.
- Suited to harsh operating environments — coastal salt fog, high humidity, heavy pollution.
- Epoxy resin-cast internal core provides high mechanical strength and stable electrical performance.
- Reliable sealing structure effectively prevents moisture and water ingress.
- Multiple models available across current ratings, heights, and creepage distances.
Product Advantages
- Significantly reduces flashover risk and extends service life
- Lowers maintenance costs
- Every unit tested for power-frequency withstand, lightning impulse, and partial discharge before shipment
- Outline dimensions, mounting flange, and creepage distance customizable to technical requirements
Applications
Power TransformersPrefabricated SubstationsHigh-Voltage Electrical Equipment