管形荧光灯用镇流器 性能要求
Ballasts for tubular fluorescent lamps Performance requirements
检测标准
液压传动阀的标识代号 第1部分:安装面和阀孔
Hydraulic fluid power-Code and identification of valve-Part 1:Mounting surfaces and cavities
液压缸活塞杆端柱销式耳环安装尺寸
Hydraulic fluid power-Cylinders-Rodend plain eyes-Mounting dimensions
低压开关设备和控制设备 第5-5 部分:控制电路电器和开关元件 具有机械锁闩功能的电气紧急制动装置
Low-voltage switchgear and controlgear-Part 5-5:Control circuit devices and switching elements-Electrical emergency stop device with mechanical latching function
低压开关设备和控制设备 第5-3 部分:控制电路电器和开关元件 在故障条件下具有确定功能的接近开关(PDDB)的要求
Low-voltage switchgear and controlgear-Part 5-3:Control circuit devices and switching elements-Requirements for proximity devices with defined behaviour undernfault conditions(PDDB)
低压开关设备和控制设备第5-4部分:控制电路电器和开关元件小容量 触头的性能评定方法牛 特殊试验
Low-voltage switchgear and controlgear-Part 5-4:Control circuit devices and switching elements-Method ofnassessing the performance of low-energy contacts Special tests
低压开关设备和控制设备 第 9-1部分:电弧故障主动抑制系统 灭弧电器
Low-voltage switchgear and controlgear-Part 9-1:Active arc-faultnmitigation systems-Arc quenching devices
低压开关设备和控制设备 第5-9部分:控制电路电器和开关元件流量开关
Low-voltage switchgear and controlgear-Part 5-9:Control circuit devices and switching elements-Flow rate switches
低压开关设备和控制设备 第5-7部分:控制电路电器和开关元件 用于带模拟输出的接近设备的要求
Low-voltage switchgear and controlgear-Part 5-7:Control circuit devices and switching elements-Requirements for proximity devices with analogue output
低压开关设备和控制设备 第8部分:旋转电机用装入式热保护(PTC)控制单元
Low-voltage switchgear and controlgear-Part 8:Control units for built-in thermal protection (PTC) for rotating electrical machines
