
DIN 42539 3kV 1000A Transformer Bushing




Low Voltage Transformer Bushings
Product Overview
A DIN 42539 outdoor bushing at 3 kV and 1000 A with a 125 mm creepage distance, for oil-immersed distribution transformers. It is supplied as a complete set of metal parts, gaskets and porcelain, and can be manufactured to a customer specification including special lengths and different screw sizes. The DIN 42539 family spans 250 A to 6500 A with creepage stepping from 120 mm to 130 mm.
- DIN 42539
Key benefits
Why Buyers Choose This Part
- 125 mm creepage at the 1000 A rating
- Supplied complete with metal parts, gaskets and porcelain
- Part of a family covering 250 A through 6500 A
- Special lengths and screw sizes made to specification
Application scenarios
Where It Is Used
- Oil-immersed distribution transformers at 3 kV and 1000 A
- Outdoor low voltage terminals on larger distribution units
- Transformer builds standardising on DIN 42539
- Replacement of complete bushing assemblies during service
Who it is for
Who It Suits
- Distribution transformer manufacturers
- Transformer service and repair workshops
- Distributors stocking the DIN 42539 current range
Problems it solves
What Goes Wrong Without The Right Part
- Bushings supplied without the gaskets and metal parts to fit them
- Creepage selection across the DIN 42539 current range
- Screw sizes that do not match the installed busbar
- High current terminals that heat under continuous load
Technical features
How It Is Built
- DIN 42539 at 3 kV and 1000 A
- 125 mm creepage distance
- Supplied as metal parts, gaskets and porcelain
- For oil-immersed type distribution transformers
- Family creepage: 120 mm at 250 A and 630 A, 125 mm at 1000 A to 3150 A, 130 mm at 4500 A and 6500 A
Specifications
Published Figures For This Product
Every value below comes from the manufacturer data for this item. Figures not listed are confirmed against the drawing before an order is placed.
| Creepage Distance | 125 mm |
|---|
Materials
Materials
- Electrical porcelain
- Metal parts and gaskets
Manufacturing
Process
- Forming
- Glazing
- Firing
- Gasket and metal part assembly
- Routine electrical test
Quality control
Testing
- Creepage verified against the 125 mm figure
- Gasket seating and seal inspection
- Conductor path check at the 1000 A rating
Certifications
Certification
- Manufactured to DIN 42539
- ISO 9001 quality management system
Customisation
Customisation Options
- Special lengths made to customer specification
- Different screw sizes
- Other current ratings from 250 A to 6500 A
Comparison
How It Compares
| DIN 42539 3kV 630A | The 630 A version uses 120 mm creepage against 125 mm here, with a smaller tank hole and an M20 stem connection. |
|---|---|
| DIN 42539 3kV 4500A | Creepage steps up to 130 mm at 4500 A and above. Match the bushing to the transformer LV output current. |
Use guide
Before You Order And After It Arrives
- Order the complete assembly so gaskets and metal parts match
- Confirm the screw size against your busbar connection
- Replace gaskets whenever the bushing is removed from the tank
- Use only on oil-immersed distribution transformers as specified
Questions
DIN 42539 3kV 1000A Transformer Bushing Questions
What creepage does the 1000 A version have?
125 mm. Within the DIN 42539 family, 250 A and 630 A are 120 mm, 1000 A to 3150 A are 125 mm, and 4500 A and 6500 A are 130 mm.
What is supplied with the bushing?
Metal parts, gaskets and porcelain as a complete assembly.
What transformers is it for?
Oil-immersed type distribution transformers.
Can you make a special length?
Yes, we manufacture to customer specifications including special lengths and different screw sizes.
What is the highest current in this family?
6500 A.
Is there a warranty?
A one year quality guarantee period applies.
Related
Related Products

CB250 Outdoor Transformer Porcelain Bushing

DIN 42539 3kV 250A Transformer Bushing DT3KV-250A
- Creepage Distance 120 mm

DIN 42530 1kV 1250A Transformer Bushing
- Current 1250 A
- Creepage Distance 50 mm
- Weight 0.26 kg

DIN 42539 3kV 630A Outdoor Transformer Bushing DT 3/630
- Tank Hole Size 45 mm
- BIL 40 kV
- Creepage Distance 120 mm
Keep reading
Related Cases Guides And Applications
Guide
DIN EN And ANSI Transformer Bushing Standards Explained
GuideTransformer Bushing Selection A Guide For Engineers
GuideWhat Is A High Voltage Transformer Insulator
IndustryDistribution Transformer Manufacturers
IndustryPower Utilities And Substations
SolutionManufacturing To Your Drawing Or Sample
SolutionSelecting Creepage For The Pollution At Your Site
Quote For DIN 42539 3kV 1000A Transformer Bushing
Send the quantity and any drawing you have. Enquiries are answered within 24 hours, and we produce to customer drawings and samples.