Outdoor Transformer Porcelain Bushing

The Outdoor Transformer Porcelain Bushing uses glazed outdoor electrical porcelain with a multi-shed external insulation profile for transformer conductor outlets exposed to sun, rain, and temperature or humidity changes.
Common voltage grades are 10–35 kV.
It is applicable to outdoor distribution transformers, open-air substations, and distribution systems in areas with frequent rain or high humidity.

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Product Specifications

Parameter	Specification
Insulation Material	Glazed Outdoor Electrical Porcelain
Common Voltage Range	10–35 kV
Operating Environment	Outdoor Sun, Rain, Temperature and Humidity Changes
External Insulation	Multi-Shed Structure
Mounting Method	Flange or Tank-Cover Fixed Type

Select External Insulation by Environment

The multi-shed profile provides a longer surface insulation path for wet outdoor conditions.

Creepage distance is configured according to system requirements and the actual pollution level rather than assigned as one fixed value across the range.

Buyers should identify local contamination, moisture, and exposure conditions together with voltage when preparing a technical inquiry.

Mounting Structure for the Transformer

Flanged or tank-cover fixed installation is supported.

Project drawings can be used to configure installation dimensions, voltage grade, and external-insulation structure.

Shed arrangement and creepage requirements may be adjusted for the stated pollution environment, helping the bushing fit the equipment interface and site conditions at the same time.

The supplied application scope also includes rural-grid and industrial or mining distribution systems with outdoor exposure.

Outdoor Porcelain Production Checks

Porcelain processing includes raw-material treatment, forming, clay preparation, glazing, firing, and subsequent inspection.

Mechanical, electrical, and dimensional inspection equipment is used for quality control through production and finished-product release.

Finished units receive 100% inspection before packaging, and third-party inspection is supported.

Shipment Planning for Outdoor Units

Packing is arranged according to porcelain dimensions, mounting components, and destination receiving requirements.

Standard orders generally require 30 days for production, while customized orders generally require 45 days. Photo or video progress updates can be shared during manufacturing.

For the Outdoor Transformer Porcelain Bushing, include the operating environment, required creepage basis, installation method, and transformer drawing so the final external-insulation configuration can be confirmed before production.

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