Browse Standards
4331+ standards in database
4331 result(s) found
户外严酷条件下的电气设施 第4部分：装置要求
Electrical installations for outdoor sites under heavy conditions - Part 4: Requirements for the installation
高压交流断路器的合成试验
Synthetic testing of high-voltage alternating current circuit-breakers
电气继电器 第22-1部分：量度继电器和保护装置的电气骚扰试验 1 MHz脉冲群抗扰度试验
Electrical relays - Part 22-1:Electrical disturbance tests for measuring relays and protection equipment - 1 MHz burst immunity tests
电线电缆识别标志方法 第5部分: 电力电缆绝缘线芯识别标志
Markings for electric wires and cables - Part 5: Identifications of insulated cores of power cables
电线电缆识别标志方法 第4部分: 电气装备电线电缆绝缘线芯识别标志
Markings for electric wires and cables - Part 4：Identifications of insulated conductors of cables and wires for electrical appliances and equipments
电线电缆识别标志方法 第2部分: 标准颜色
Markings for electric wires and cables - Part 2: Standard colours
电线电缆识别标志方法 第1部分: 一般规定
Markings for electric wires and cables - Part 1: General requirements
控制用电磁继电器可靠性试验通则
General rules for reliability test of electromagnetic relay for control circuits
灯具分布光度测量的一般要求
General requirements for the photometry and goniophotometry of luminaries
直流电力牵引额定电压
Voltage ratings of D.C.electric traction system
户外严酷条件下的电气设施 第1部分：范围和定义
Electrical installations for outdoor Sites under heavy conditions - Part 1: Scope and definitions
绝缘子串元件的球窝连接尺寸
Ball and socket coupling dimensions of string insulator units
电气工程CAD制图规则
Electrotechnical engineering drawings rules of CAD
设备用断路器
Circuit-breaker for equipment
电器附件 电线组件和互连电线组件
Electrical accessories - Cord sets and interconnection cord sets
电击防护 装置和设备的通用部分
Protection against electric shock - Common aspects for installation and equipment
旋转电机 定额和性能
Rotating electrical machines - Rating and performance
低压成套开关设备和控制设备 第5部分: 对公用电网动力配电成套设备的特殊要求
Low-voltage switchgear and controlgear assemblies - Part 5:Particular requirements for assemblies for power distribution in public networks
家用和类似用途的带过电流保护的剩余 电流动作断路器（RCBO） 第22部分：一般规则对动作功能与电源电压有关的RCBO的适用性
Residual current operated circuit-breakers with integral overcurrent protection for household and similar uses (RCBO) - Part 22:Applicability of the general rules to RCBO functionally dependent of line voltage
家用和类似用途的带过电流保护的剩余 电流动作断路器（RCBO） 第21部分：一般规则对动作功能与电源电压无关的RCBO的适用性
Residual current operated circuit-breakers with integral overcurrent protection for household and similar uses (RCBO) Part 21：Applicability of the general rules to RCBO functionally independent of line voltage