DIN 42539 3kV 1000A Transformer Bushing

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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

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

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 Suits

• Distribution transformer manufacturers
• Transformer service and repair workshops
• Distributors stocking the DIN 42539 current range

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

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

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

• Electrical porcelain
• Metal parts and gaskets

Process

• Forming
• Glazing
• Firing
• Gasket and metal part assembly
• Routine electrical test

Testing

• Creepage verified against the 125 mm figure
• Gasket seating and seal inspection
• Conductor path check at the 1000 A rating

Certification

• Manufactured to DIN 42539
• ISO 9001 quality management system

Customisation Options

• Special lengths made to customer specification
• Different screw sizes
• Other current ratings from 250 A to 6500 A

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.

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

DIN 42539 3kV 1000A Transformer Bushing Questions

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• Creepage Distance 120 mm

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• 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

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Quote For DIN 42539 3kV 1000A Transformer Bushing

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