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- Standards Compliance Across IEC DIN EN ANSI AS GB And GOST
A buyer in Egypt works from EN, one in Australia from AS, one in Kazakhstan from GOST and one in Texas from ANSI. The insulator does the same job in all four places, but the drawing, the test values and the part designation are different in each. We keep all of them in production.
Every Stage And What Can Go Wrong At It
IEC
International projects specify IEC and expect test evidence against it.
Outdoor bushings are manufactured and tested in accordance with IEC 60137. Glass suspension insulators follow IEC 60383, and the post insulator range references IEC 60273.
DIN
DIN specifications are no longer live standards but transformer drawings still reference them.
DIN 42530, 42531, 42539, 52432, 42533, 42534 and 40680 patterns remain in production precisely because the transformer and distribution industry still uses them.
EN
Specifications that have moved from DIN to EN mid-project leave buyers with mixed references.
EN 50180 and EN 50386 are produced alongside the DIN patterns, covering 1kV through 52kV and up to 12500A.
ANSI
ANSI classes fix pin heights, creepage and flashover values that a non-classed part cannot satisfy.
The ANSI 55 series from 55-1 to 55-6, the 57-14 line post, and ANSI transformer bushings in the 15/50, 18/50 and 27/50 models are all in production.
AS
Australian Standard patterns are rarely carried by suppliers focused on IEC and ANSI.
AS pattern insulators including the SLP11180 pin type and the AS 15/50 and AS 24/315 transformer bushings are produced to the Australian Standard dimensions.
GB
Chinese National Standard projects need GB dimensional sets, not DIN equivalents.
GB patterns including the B-1/315 low voltage and BLQ-10/315 high voltage bushings are produced as matched pairs for one transformer.
GOST
GOST specifications name the ceramic group, the fitting alloy and the bonding cement by clause, not just the shape.
GOST parts are made to the material clauses: group 120 ceramic to GOST 20419-83, AK12 alloy to GOST 1583-93, PTs-500 DON cement to GOST 10178-85, with UKhL climatic classification to GOST 15150-69.
Products This Applies To
High Voltage Transformer Bushings
EN 50180 24kV 250A Porcelain Transformer Bushing
Pin Type Insulators
- Standard IEC60137
AS Standard SLP11180 Pin Type Porcelain Insulator
High Voltage Transformer Bushings
- Creepage Distance 180 mm
- Shed Diameter 150 mm
- Height 110 mm
GB BLQ-10/315 Transformer Bushing Insulator 10kV
- Voltage 10 kV
- Height 240 mm
- Diameter 115 mm
Who Uses This Route Most
Distribution Transformer Manufacturers
Terminal boards designed around one bushing pattern that the original supplier has discontinued
Power Utilities And Substations
A line section or substation that keeps flashing over after every wet season
Standards Compliance Across IEC DIN EN ANSI AS GB And GOST Questions
Send the drawing, sample or photographs and we will come back inside 24 hours with a pattern confirmation.
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