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switches scopethis part outdoor dc isolating switches load switches outdoor d.c.disconnectors switch-disconnectors railway applications fixed installations dc overhead line earthing flame-retardant woven fabric retreaded tyre production scopethis standard
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  2. GB/T 25890.4-2010 in English
GB/T 25890.4-2010 in English

GB/T 25890.4-2010 in English

SUPERSEDED

Railway applications—Fixed installations—DC switchgear—Part 4:Outdoor d.c.disconnectors switch-disconnectors and earthing switches

  • Issued on:2011-01-10
  • Implemented on:2011-06-01
  • File Format:PDF
  • Delivery:Via email within 1~3 business days
Price(USD)： $280.00
$272.00
Standard No: GB/T 25890.4-2010
Document status: SUPERSEDED
Superseded by: GB/T 25890.4-2026 Railway applications—Fixed installations—DC switchgear—Part 4: Outdoor d.c. disconnectors, switch-disconnectors and earthing switches
Superseded on: 2026-08-01
Title in English: Railway applications—Fixed installations—DC switchgear—Part 4:Outdoor d.c.disconnectors switch-disconnectors and earthing switches
Title in Chinese: 轨道交通　地面装置　直流开关设备　第4部分：户外直流隔离开关、负荷开关和接地开关
Language: English
File Format: Electronic (PDF)
Delivery: Via email within 1~3 business days
Issued on: 2011-01-10
Implemented on: 2011-06-01
ICS Classification: 29.280-Electric traction equipment
Chinese Classification: S35-Electric traction equipment
Professional Classification: GB-National Standard
Related Keywords: switches scopethis part
outdoor dc isolating switches
load switches
outdoor d.c.disconnectors switch-disconnectors
railway applications fixed installations dc
Related Topics: iec load switch
iec+ load switch
close
Earthing switch
AC and DC separation
infrared switch
exosome switch
Underground account opening
Switching DC power supply
Peripheral account opening
DC DC switching power supply
GBT25890.4
GB/T 25890.4-2010
Indoor DC isolating switch, load switch and earthing switch
Outdoor DC isolation switch, load switch, earthing switch
DC magnetic switch
DC switchgear
DC switch IEC
French switch
National standard AC high speed grounding switch
Logistics local related

《GB/T 25890.4-2010轨道交通 地面装置 直流开关设备 第4部分：户外直流隔离开关、负荷开关和接地开关》由TC278（全国轨道交通电气设备与系统标准化技术委员会）归口，TC278SC3（全国轨道交通电气设备与系统标准化技术委员会牵引供电分会）执行，主管部门为国家铁路局。


Scope

This part of GB/T 25890 specifies the requirements for outdoor DC isolating switches, load switches and earthing switches in ground installations for index power supply systems.

More samples: NB/T 47013.2-2015 DL/T 368-2010 GB 50021-2001(2009)
Sample only — not a preview of GB/T 25890.4-2010
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