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Database: 365,228(8 Aug 2026)
hf-25 series protective boxes hf-25 series protection protective boxes series boxes test methods surface resistance inner surface main process functions dentistry ― compatibility
TB/T 2026-2004 in English

TB/T 2026-2004 in English

SUPERSEDED

HF-25 series protection boxes

  • Issued on:2004-01-30
  • Implemented on:2004-08-01
  • File Format:PDF
  • Delivery:Via email within 1~3 business days
Price(USD): $130.00
$127.00
Standard No: TB/T 2026-2004
Document status: SUPERSEDED
Superseded by: TB/T 2026-2018 Track circuit protection boxes
Superseded on: 2019-01-01
Title in English: HF-25 series protection boxes
Title in Chinese: HF-25系列防护盒
Language: English
File Format: Electronic (PDF)
Delivery: Via email within 1~3 business days
Issued on: 2004-01-30
Implemented on: 2004-08-01
Chinese Classification: S61-Signal equipment
Professional Classification: TB-Railway Transport
Related Keywords: hf-25 series protective boxes
hf-25 series protection
protective boxes
series
boxes
Related Topics: hf
tb /t+2184-2004
iec60255-25
Protective equipment series
hf+
Ice box series
Ice box series
is2026

本标准规定了HF-25系列防护盒的产品型号、技术要求、检验规则、标志、包装、运输和贮存。
本标准适用于铁路25Hz相敏轨道电路HF-25系列防护盒的生产制造和产品检验。


Scope

This standard specifies the product model, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of HF-25 series protective boxes. This standard applies to the production, manufacturing and product inspection of HF-25 series protective boxes (hereinafter referred to as protective boxes) for railway 25Hz phase-sensitive track circuits.

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