GB/T 25890.3-2010

GB/T 25890.3-2010 轨道交通　地面装置　直流开关设备　第3部分：户内直流隔离开关、负荷开关和接地开关 (英文版)

Railway applications—Fixed installations—DC switchgear—Part 3:Indoor d.c.disconnectors switch disconnectors and earthing switches

2011-01-10

2011-06-01

29

10.00元

是

300.00元

Word/PDF

Contents
Foreword
1 Scope
2 Normative References
3 Terms and definitions
4 Service requirements
5 Characteristics of the unit
5.1 Enumeration of the characteristics
5.2 Type of unit
5.3 Rated values
5.4 Class of use
5.5 Control circuits
5.6 Auxiliary contacts and circuits
6 Construction
6.1 General
6.2 Materials
6.3 Arcing contacts
6.4 Clearances and creepage distances
6.5 Primary connections
6.6 Location of the primary connections
6.7 Earthing terminal
6.8 Manual operation means
6.9 Unit enclosures
6.10 Temperature-rises
6.11 Dielectric strength
6.12 Electrical and mechanical endurance
6.13 Operation
6.14 Corrosion protection
6.15 Noise emission
6.16 Cooling
6.17 Servo-control (where applicable)
6.18 Other facilities
7 Information and marking
7.1 Information
7.2 Marking
8 Tests
8.1 General
8.2 Applicable tests and test sequence
8.3 Performance of tests
Annex A (Informative) Information required

GB/T 25890.3 English Codes