What voltage and current range does the SF6 Gas-Insulated Bushing cover?

Catalogue voltage range: 126kV ～ 750kV; current range: 2500A ～ 5000A. Confirm the rating of the specific model and drawing.

Which standards are referenced?

Catalogue standard reference: IEC 60137 / IEC 62271-203 / GB/T 4109. Request type-test evidence for the specific model.

Which applications is it used in?

GIS & GCB Gas-Insulated Switchgear.

Home Products OIP & RIP BushingsSF6 Gas-Insulated Bushing

T126kV ～ 750kV

Review model drawings and test evidence

OIP & RIP Bushings

SF6 Gas-Insulated Bushing

High-reliability air-to-SF6 transition bushings for GIS and GCB switchgear systems.

Rated Voltage126kV ～ 750kV

Rated Current2500A ～ 5000A

Insulation TypeSF6 Gas / Composite or Porcelain

Catalog standardIEC 60137 / IEC 62271-203 / GB/T 4109

PD requirementConfirm by model

Test evidenceRequest with RFQ

Buyer requirement checklist

Match the electrical duty and transformer or wall interface before requesting a design.

Rated voltage, current, AC/DC duty and insulation medium
Flange, terminal, oil-side length and CT pocket drawing
Creepage, altitude, pollution and mounting angle
Existing nameplate and drawings for replacement review

IEC 60137 applies to complete AC bushings; confirm edition and model-specific test evidence. Replacement fit requires drawing approval.

OIP bushing catalog (PDF)RIP bushing catalog (PDF)

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Product Technical Overview

Gas-insulated bushings used for transition between GIS/GCB switchgear and overhead lines or outdoor busbars. Built with integrated high-conductivity inner conductor, internal electric field shielding electrode, porcelain or composite silicone outdoor housing, and external corona-grading ring.

Compatible Substation Apparatus

GIS (Gas-Insulated Switchgear)GCB (Generator Circuit Breakers)EHV Outdoor Substation Switchyards

Showing 6 of 6 models

Catalog values are representative. Confirm the selected model, drawings and test evidence during inquiry.IEC 60137 applies to complete AC bushings; confirm edition and model-specific test evidence. Replacement fit requires drawing approval.

Model	Rated voltage	Rated current	Creepage distance	Arcing distance	1 min power-frequency withstand	Lightning impulse withstand	Housing
T126/2500-190-01	126 kV	2500 A	3906 mm	1160 mm	230 kV	550 kV	Porcelain
T252/3150-300-01	252 kV	3150 A	9000 mm	2260 mm	460 kV	1050 kV	Composite
T252/4000-300-01	252 kV	4000 A	9000 mm	2260 mm	460 kV	1050 kV	Composite
T550/4000-460-01	550 kV	4000 A	18755 mm	4500 mm	740 kV	1675 kV	Porcelain
T550/5000-460-01	550 kV	5000 A	18755 mm	—	—	1675 kV	Porcelain
T750/5000-720-01	750 kV	5000 A	40300 mm	6800 mm	960 kV	1800 kV	Composite

Custom Engineering & Flange Dimensions Note:

Dimensions, interfaces and replacement compatibility require approved drawings and technical review.

Engineering Inquiry Draft

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SF6 Gas-Insulated Bushing: FAQ

What voltage and current range does the SF6 Gas-Insulated Bushing cover?: Catalogue voltage range: 126kV ～ 750kV; current range: 2500A ～ 5000A. Confirm the rating of the specific model and drawing.
What insulation or construction is used?: SF6 Gas / Composite or Porcelain.
Which standards are referenced?: Catalogue standard reference: IEC 60137 / IEC 62271-203 / GB/T 4109. Request type-test evidence for the specific model.
Which applications is it used in?: GIS & GCB Gas-Insulated Switchgear.