Browse Standards
4331+ standards in database
4331 result(s) found
电力电缆纸
Electric power cable paper
爆炸性气体环境用电气设备 电阻式伴热器 第2部分:设计、安装和维护指南
Electrical apparatus for explosive gas atmospheres--Electrical resistance trace heating--Part 2:Application guide for design，installation and maintenance
3.6 kV~40.5 kV 高压交流负荷开关
High-voltage alternating-current switches for rated voltage above 3.6 kV and less than 40.5 kV
电器附件--家用和类似用途电缆卷盘
Electrical accessories-cable reels for household and similar purposes
霓虹灯安装规范
Installation rule for neon tubes
信息系统雷电防护术语
Terms for Lightning Protection of Information system
剩余电流动作保护装置安装和运行
Installation and operation of residual current operated protective devices
电气简图用图形符号 第5部分:半导体管和电子管
Graphical symbols for diagrams Part 5 Semiconductors and electron tubes
电气简图用图形符号 第1部分:一般要求
Graphical symbols for electrical diagrams Part 1:General information
家用和类似用途电自动控制器 第2部分：锅炉器具中使用的浮子型或电极敏感型水位敏感电自动控制器的特殊要求
Automatic electrical controls for household and similar use Part 2:particular requirements for automatic electrical water level sensing controls of the float or electrode-sensor type used in boiler applications
雷电电磁脉冲的防护 第3部分：对浪涌保护器的要求
Protection against lightning electromagnetic impulse(LEMP)-Part 3:Requirements of surge protective devices(SPDs)
电气附件-家用及类似场所用过电流保护断路器 第1部分：用于交流的断路器
Electrical accessories-Circuit-breakers for overcurrent protection for household and similar installation Part 1:Circuit-breakers for a.c.operation
高压绝缘子瓷件 技术条件
Technical specifications of porcelain element for high voltage insulators
电工用铜、铝及其合金母线 第2部分：铝和铝合金母线
Copper or aluminium and its alloy bus bars for electrical purposes Part 2:Aluminium and aluminium alloy bus bars
电工用铜、铝及其合金母线 第1部分：铜和铜合金母线
Copper or aluminium and its alloy bus bars for electrical purposes Part 1:Copper and copper alloy bus bars
电力变压器、电源装置和类似产品的安全 第13部分：恒压变压器的特殊要求
Safety of power transformers, power supply units and similar devices -- Part 13: Particular requirements for constant voltage transformers
电力变压器、电源装置和类似产品的安全 第24部分：建筑工地用变压器的特殊要求
Safety of power transformers, power supply units and similar devices -- Part 24: Particular requirements for transformers for construction sites
电力变压器、电源装置和类似产品的安全 第16部分：医疗场所供电用隔离变压器的特殊要求
Safety of power transformers ,power supply units and similar devices -- Part 16: Particular requirements for isolating transformers for the supply of medical locations
矿用隔爆型移动变电站
Mining flameproof movable substations
炭素材料透气度试验方法
Test method for permeability of carbon materials