Browse Standards
4331+ standards in database
4331 result(s) found
银基电触头基本形状、尺寸、符号及标注
Basic shapes,dimensions,symbols and notations of silver based electrical contacts
灯用附件 启动装置（辉光启动器除外） 性能要求
Auxiliaries for lamps—Starting devices(other than glow starters)—Performance requirements
卤钨灯（非机动车辆用）性能要求
Tungsten halogen lamps(non-vehicle) performance requirements
低压熔断器 第4部分：半导体设备保护用熔断体的补充要求
Low-voltage fuses—Part 4: Supplementary requirements for fuse-links for the protection of semiconductor devices
白炽灯的最大外形尺寸
Maximum lamp outlines for incandescent lamps
普通照明用LED产品和相关设备 术语和定义
General lighting—Light emitting diode (LED) products and related equipment—Terms and definitions
灯的国际编码系统（ILCOS）
International lamp coding system (ILCOS)
光伏发电站继电保护技术规范
Technical specification for relaying protection of photovoltaic power station
低压成套开关设备和控制设备 第5部分：公用电网电力配电成套设备
Low-voltage switchgear and controlgear assemblies—Part 5: Assemblies for power distribution in public networks
爆炸性环境 第23部分：用于瓦斯和/或煤尘环境的I类EPL Ma级设备
Explosive atmospheres—Part 23：Group I，category EPL Ma equipment intended to remain functional in atmospheres endangered by firedamp and/or coal dust
电气绝缘用柔软复合材料 第2部分：试验方法
Combined flexible materials for electrical insulation—Part 2: Methods of test
电气绝缘用柔软复合材料 第1部分：定义和一般要求
Combined flexible materials for electrical insulation—Part 1: Definitions and general requirements
低压成套开关设备和控制设备 第4部分：对建筑工地用成套设备（ACS）的特殊要求
Low-voltage switchgear and controlgear assemblies—Part 4: Particular requirements for assemblies for construction sites (ACS)
低压成套开关设备和控制设备 第3部分: 由一般人员操作的配电板（DBO）
Low-voltage switchgear and controlgear assemblies—Part 3: Distribution boards intended to be operated by ordinary persons（DBO）
电风扇用电动机通用技术条件
General technical requirements for fan motors
低压电气设备安全风险评估和风险降低指南
Guidelines for safety related risk assessment and risk reduction for low voltage equipment
金属卤化物灯（钠铊铟系列） 性能要求
Metal halide lamps (NaI-TlI-InI3 series)—Performance requirements
标称电压高于1500V的架空线路用绝缘子 直流系统用瓷或玻璃绝缘子串元件 定义、试验方法及接收准则
Insulators for overhead lines with a nominal voltage above 1500V—Ceramic or glass insulator units for d.c. systems—Definitions,test methods and acceptance criteria
圆线同心绞架空导线
Round wire concentric lay overhead electrical stranded conductors
爆炸性环境 第22部分：光辐射设备和传输系统的保护措施
Explosive atmospheres—Part 22: Protection of equipment and transmission system using optical radiation