MT 428-2007
Active
MT/T 189-2025
Active
Industry standards-Coal
MT/T 189-2025 Low-voltage AC vacuum circuit breaker for coal mine usage
MT/T 189-2025 Low-voltage AC vacuum circuit breaker for coal mine usage
Basic Information
Standard Code:
MT/T 189-2025
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Explosion-proof electrical appliances
ICS Name:
For special working conditions, use other electrical equipment
Publish Date:
2025-09-29
Implement Date:
2026-03-28
Publisher:
国家能源局
Technical Committee:
煤炭行业煤矿安全标准化技术委员会
Scope
本文件适用于交流 50Hz,额定电压1140V及以下，电流至1600A的煤矿用低压交流真空断路器
Development Information
Drafting Units:
中煤科工集团沈阳研究院有限公司、沈阳工业大学、安标国家矿用产品安全标志中心有限公司。
Drafting Persons:
张红奎、庚振新、杨华松
Replace the following standards
MT/T 829-1000
Related Standards
MT/T 429-2008
Abolished
MT/T 429-2008 The flame-proof low voltage electric cable terminal box for coal mine
MT/T 428-2008
Abolished
MT/T 428-2008 The flame-proof electric bell for coal mine
DL/T 880-2004
Active
DL/T 880-2004 Flexible conductor cover(line hoses)of insulating material for live working
T/CES 121-2022
Active
T/CES 121-2022
T/CES 217-2023
Active