Browse Standards
4331+ standards in database
4331 result(s) found
管形荧光灯座和启动器座型式和尺寸
Typs and dimensions of lampholders for tubular fluorescent lamps and starterholders
旋转电机装入式热保护 热保护器通用规则
Built-in thermal protection for rotating electrical machines--General rules for thermal protectors
放电灯(管形荧光灯除外)用镇流器的一般要求和安全要求
Ballasts for discharge lamps (excluding tubular fluorescent lamps) general and safety requirements
合金内氧化法银金属氧化物电触头技术条件
Technical specification for silver-metaloxide electrical contacts by alloy internal oxidation method
低压熔断器 半导体器件保护用熔断体的补充要求
Low-voltage fuses--Supplementary requirements for fuse-links for the protection of semiconductor devices
漏电保护器安装和运行
Installation and operation of residual current operated protective devices
额定电压10 kV、35 kV架空绝缘电缆
Aerial insulated cables with rated voltages of 10kV and 35kV
防火漏电电流动作报警器
Residual current operated alarm devices for fire prevention
继电保护和安全自动装置技术规程
Technical code for relaying protection and security automatic equipment
间距1.27 mm绝缘刺破型端接式聚氯乙烯绝缘带状电缆
PVC insulated ribbon cable with a pitch of 1.27mm suitable for insulation displacement termination
高压线路蝶式绝缘子
Shackle insulators for high voltage overhead lines
中小型旋转电机安全通用要求
General requirements for safety of small and medium size rotating electrical machines
道路交通信号灯安装规范
The installation specification for road trafficsignals
灯头总技术条件
General specifications for lamp caps
器具开关 第2部分:软线开关的特殊要求
Switches for appliances--Part 2:Particular requirements for cord switches
管形荧光灯用交流电子镇流器一般要求和安全要求
A.C. supplied electronic ballasts for tubular fluorescent lamps--General and safety requirements
交流高压熔断器 并联电容器外保护用熔断器
Alternating-current high-voltage fuse--Fuses for the external protection of shunt power capacitors
交流高压熔断器 喷射式熔断器
Alternating-current high-voltage fuses--Expulsion fuse
交流高压熔断器 限流式熔断器
Alternating-current high-voltage fuses--Current-limiting fuses
户外严酷条件下电气装置 操作要求
Electrical installations for outdoor sites under heavy conditions--Operating requirements