GB/T 32350.2-2025 Active National standards

GB/T 32350.2-2025 Railway applications—Insulation coordination—Part 2:Overvoltages and related protection

GB/T 32350.2-2025 Railway applications—Insulation coordination—Part 2:Overvoltages and related protection

Publish Date: 2025-12-31 Implement Date: 2026-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 32350.2-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Basic standards and general methods

ICS Name: Railway vehicles

Publish Date: 2025-12-31

Implement Date: 2026-07-01

Pages: 16 pages

Scope

This document specifies the simulation and testing requirements for the instantaneous overvoltage protection of power supply-related equipment.
This document applies to:
——Ground equipment (connected to the secondary side of substation transformers) and rolling stock equipment connected to the overhead contact network;
——Rolling stock equipment connected to the train power supply network.
This document does not apply to long-term overvoltages.

Development Information

Word Count: 17 Thousand words Pages: 16 pages

Same series standard

GB/T 32350.1-2025 Railway applications—Insulation coordination—Part 1:Basic requirements—Clearances and creepage distances for all electrical and electronic equipment

Replace the following standards

GB/T 32350.2-2015 Railway applications—Insulation coordination—Part 2:Overvoltages and related protection

Referenced Standards

GB/T 1402-2010 Railway applications—Supply voltages of traction systems GB 11032-2000 Metal oxide surge arresters without gaps for a.c.systems GB/T 11032-2010 Metal-oxide surge arresters without gaps for a.c. systems GB/T 11032-2020 Metal-oxide surge arresters without gaps for a.c. systems GB/T 32350.1-2015 Railway applications—Insulation coordination—Part 1:Basic requirements—Clearances and creepage distances for all electrical and electronic equipment GB/T 32350.1-2025 Railway applications—Insulation coordination—Part 1:Basic requirements—Clearances and creepage distances for all electrical and electronic equipment

Adopt standards

IEC 62497-2:2010

Related Standards

GB/T 4952-1985 Abolished

GB/T 4952-1985 Coupler connection contour for locomotives and cars

Publish Date: 1985-03-06

GB/T 5599-1985 Replaced

GB/T 5599-1985 Railway vehicles—Specification for evaluation the dynamic performance and accreditation test

Publish Date: 1985-11-25

GB/T 8601-1988 Replaced

GB/T 8601-1988 Rolled solid wheels for railway

Publish Date: 1988-01-07

GB/T 8602-1988 Active

GB/T 8602-1988 Rough-rolled tyres for railway

Publish Date: 1988-01-07

GB/T 10082-1996 Replaced

GB/T 10082-1996 Technical requirements of heavy duty railway motor trolley

Publish Date: 1996-10-09

GB/T 17425-1998 abolished_transferred

GB/T 17425-1998 Purchase and acceptance of couplers and coupler yokes for freight service

Publish Date: 1998-07-06