Browse Standards
4331+ standards in database
4331 result(s) found
架空电力线路间隔棒技术条件和试验方法
Requirements and tests for overhead line spacers
标准电流等级
Standard current ratings
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
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 for test
低压开关设备和控制设备 第3部分:开关、隔离器、隔离开关及熔断器组合电器
Low-voltage switchgear and controlgear--Part 3:Switches，disconnectors，switch-disconnectors and fuse-combination units
双端荧光灯 安全要求
Double-capped fluorescent lamps--Safety specifications
印制板用漂白木浆纸
Bleached pulp paper for printed boards
调速电气传动系统 第2部分:一般要求 低压交流变频电气传动系统额定值的规定
Adjustable speed electrical power drive systems--Part 2:General requirements--Rating specifications for low voltage adjustable frequency a.c. power drive systems
往复式内燃机驱动的交流发电机组 第9部分:机械振动的测量和评价
Reciprocating internal combustion engine driven alternating current generating sets--Part9:Measurement and evaluation of mechanical vibrations
往复式内燃机驱动的交流发电机组 第8部分:对小功率发电机组的要求和试验
Reciprocating internal combustion engine driven alternating current generating sets--Part 8:Requirements and tests for low-power generating sets
往复式内燃机驱动的交流发电机组 第12部分:对安全装置的应急供电
Reciprocating internal combustion engine driven alternating current generating sets--Part 12:Emergency power supply to safety services
往复式内燃机驱动的交流发电机组 第10部分:噪声的测量(包面法)
Reciprocating internal combustion engine driven alternating current generating sets--Part 10:Measurement of airborne noise by the enveloping surface method
白炽灯的最大外形尺寸
Maximum lamp outlines for incandescent lamps
家庭和类似场合普通照明用卤钨灯安全要求
Tungsten halogen lamps for domestic and similar general lighting purposes--Safety specification
管形荧光灯灯座和启动器座
Lampholders for tubular fluorescent lamps andstarterholders
家庭和类似场合普通照明用钨丝灯安全要求
Tungsten filament lamps for domestic and similar general lighting purposes--Safety specification
低压熔断器 第1部分:基本要求
Low-voltage fuses--Part 1:General requirements
绝缘油 击穿电压测定法
Insulating liquids--Determination of the breakdown voltage at power frequency
调速电气传动系统 第1部分:一般要求 低压直流调速电气传动系统 额定值的规定
Adjustable speed electrical power drive systems--Part 1:General requirements--Rating specifications for low voltage adjustable speed d.c. power drive systems
电气继电器 第25部分:量度继电器和保护装置的电磁发射试验
Electrical relays--Part 25:Electromagnetic emission tests for measuring relays and protection equipment