JB/T 12257-2018Composite barrier boards for electrical insulation (English PDF)
电气绝缘用复合围板
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
April 30, 2018
Implementation date
December 1, 2018
Scope
JB/T 12257-2018 is the English-translated version of 电气绝缘用复合围板.
JB/T 12257-2018 is the Chinese machinery industry standard covering composite barrier boards for electrical insulation. It was issued on 30 April 2018 and has been in force since 1 December 2018, as a first edition.
The document is under the responsibility of the Ministry of Industry and Information Technology. This page is published from the official record of the 2018 edition.
The figures, limits and tables the standard contains are those of the document itself, delivered in full with the English translation.
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Document preview — JB/T 12257-2018
National Standard of the People's Republic of China
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 1 Scope
- 2 Normative references
- 3 Classification
- 3.1 Model
- 3.2 Example
- 4 Technical requirements
- 4.1 General requirements
- 4.2 Dimensions
- 4.3 Performance requirements
- 5 Test methods
- 5.1 General
- 5.2 General requirements
- 5.3 Dimensions
- 5.4 Mass per unit area
- 5.5 Tensile strength
- 5.6 Elongation
- 5.7 Breakdown voltage
- 5.8 Temperature index (TI)
- 6 Inspection rules
- 7 Marking, packaging, transport and storage
- Table 1 Performance requirements
What this standard covers
This standard specifies the classification, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of composite enclosures for electrical insulation.
Document data
Chinese classification (CCS): K15.
Estimated length of the Chinese original: 6,617 words.
3 Classification
4 Technical requirements
5 Test methods
6 Inspection rules
7 Marking, packaging, transport and storage
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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