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TB/T 1869.4-2013Transformers for railway signaling. Part 4: 25Hz series track transformers (English PDF)

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Issued by

Ministry of Railways of the People's Republic of China

Level / Type

National · Recommended

Issue date

January 1, 2013

Implementation date

January 1, 2013

Scope

TB/T 1869.4-2013 (Transformers for railway signaling. Part 4: 25Hz series track transformers) is available as an English-translated PDF.

TB/T 1869.4-2013 is the Chinese standard "Transformers for railway signaling. Part 4: 25Hz series track transformers". It was issued by Ministry of Railways of the People's Republic of China. It cites 13 other standards.

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Document preview — TB/T 1869.4-2013

National Standard of the People's Republic of China

ICS: 45.020
Classification: S61

Issued by: Ministry of Railways of the People's Republic of China

1 Foreword

TB/T 1869.4-2013 is issued by Ministry of Railways of the People's Republic of China.

It is one of 7 parts of the TB/T 1869 series.

2 Normative references

The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document.

GB/T 191

GB/T 2423.1-2008 — Environmental testing for electric and electronic products - Part 2: Test methods - Tests A: Cold

GB/T 2423.2-2008 — Environmental testing for electric and electronic products - Part 2: Test methods - Tests B: Dry heat

GB/T 2423.4-2008 — Environmental testing for electric and electronic products - Part 2: Test method - Test Db: Damp heat, cyclic (12 h + 12 h cycle)

GB/T 2423.5-1995

GB/T 2423.10-2008

GB/T 2423.16-2008

GB/T 2423.17-2008

GB/T 2423.21-2008

TB/T 1424-1982

TB/T 1447-1982

TB/T 1448-1982

TB/T 1869.1-2013

3 About this standard

Issued by: Ministry of Railways of the People's Republic of China

English translation: about 12 pages (approximate)

4 Related standards

Other parts of this standard:

TB/T 1869.2-2013 — Part 2: Signal transformers

TB/T 1869.3-2013 — Part 3: 50Hz series track transformers

TB/T 1869.5-2013 — Part 5: BZ series track relay transformers

TB/T 1869.6-2018 — Part 6: Transformers for switch indication

TB/T 1869.7-2023 — Railway signaling transformers - Part 7: BE series choke transformers

TB/T 1869.8-2017 — Transformers for railways signal system equipment. Part 8: Lightning proof transformer

5 Classification and status

International classification (ICS): 45.020

Chinese Standard Classification (CCS): S 61

Prefix TB/T: recommended standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 12 pages — is available in the English PDF.

Referenced standards

Normative references

TB/T 1424-1982 · TB/T 1869.1-2013

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