MT/T 1264-2025 Active Industry standards-Coal

MT/T 1264-2025 High‑voltage distribution device multifunction protection relay for coal mine

Publish Date: 2025-06-30 Implement Date: 2025-12-30 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: MT/T 1264-2025

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Special equipment and supplies for coal mines

ICS Name: Other mining equipment

Publish Date: 2025-06-30

Implement Date: 2025-12-30

Publisher: 国家能源局

Technical Committee: 煤炭行业煤矿专用设备标准化技术委员会

Pages: 24 pages

Scope

本文件规定了煤矿高压配电装置用综合保护器（以下简称“保护器”）的型式及基本参数、技术要求、试验方法、检验规则以及标志、包装、运输和贮存。
本文件适用于交流50 Hz，电压为3.3 kV、6 kV、10 kV煤矿防爆高压配电装置中的综合保护器检验。

Development Information

Drafting Units:

上海山源电子科技股份有限公司、中煤科工集团上海有限公司、华荣科技股份有限公司

Drafting Persons:

景杰、张朝平、夏文刚、陈洪飞、蔡利新、钱柄旭、林献忠

Word Count: 29 Thousand words Pages: 24 pages

Referenced Standards

GB/T 2423.1-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests A:Cold GB/T 2423.2-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests B:Dry heat GB/T 2423.4-2008 Environmental testing for electric and electronic products—Part 2:Test method—Test Db:Damp heat,cyclic(12 h+12 h cycle) GB/T 3836.1-2021 Explosive atmospheres—Part 1:Equipment—General requirements GB/T 3836.4-2021 Explosive atmospheres—art 4:Equipment protection by intrinsic safety “i” GB/T 7261-2016 Basic testing method for relaying protection and security automatic equipment GB/T 14598.24-2017 Measuring relays and protection equipment—Part 24:Common format for transient data exchange(COMTRADE) for power systems GB/T 17626.2-2018 Electromagnetic compatibility—Testing and measurement techniques—Electrostatic discharge immunity test GB/T 17626.3-2023 Electromagnetic compatibility—Testing and measurement techniques—Part 3:Radiated,radio-frequency,electromagnetic field immunity test GB/T 17626.4-2018 Electromagnetic compatibility—Testing and measurement techniques—Electrical fast transient/burstimmunity test GB/T 17626.5-2019 Electromagnetic compatibility—Testing and measurement techniques—Surge immunity test GB/T 17626.6-2017 Electromagnetic compatibility—Testing and measurement techniques—Immunity to conducted disturbances,induced by radio-frequency fields NB/T 10051-2018 Coal mine power supply anti-jump system MT 210-1990 The basic test methods for electrical products used in coal mine communication, detection, and control MT/T 661-2011 Common Technical Requirements for Electrical Equipment for Coal Mine Underground Workings MT/T 899-2000 Information transmission device for coal mine MT/T 1137-2011 Mining Infrared Remote Control General Technical Conditions

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