Valid

TB/T 2809-2026Electrified railway catenary - Copper alloy catenary (English PDF)

电气化铁路接触网铜合金接触线

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Issued by

Ministry of Railways

Level / Type

National · Recommended

Issue date

February 27, 2026

Implementation date

September 1, 2026

Scope

TB/T 2809-2026 is the English-translated version of 电气化铁路接触网铜合金接触线.

TB/T 2809-2026 is the Chinese industry standard "Electrified railway catenary - Copper alloy catenary". It was issued on February 27, 2026 by the Ministry of Railways, and took effect on September 1, 2026. It is in force and replaces TB/T 2809-2017.

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Document preview — TB/T 2809-2026

National Standard of the People's Republic of China

Issued by: Ministry of Railways

Document data

1 Document data

Sector: Railway (industry standard).

Issuing body: Ministry of Railways.

Date of issue: 2026-02-27.

Date of implementation: 2026-09-01.

Status: valid, replaces TB/T 2809-2017.

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

Editions of TB/T 2809

Edition	Title	Revision	Status
TB/T 2809-2026	Electrified railway catenary - Copper alloy catenary	—	Valid
TB/T 2809-2017	Copper and copper alloy contact wires for electric railway	—	Obsolete
TB/T 2809-2005	Copper and Copper-Alloy Contact Wires for Electric Railway	—	Obsolete
TB/T 2809-1997	Electrified railway line with the general technical conditions contact	—	Obsolete

This page sells the current edition, TB/T 2809-2026. Earlier editions are listed for reference only.

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