Browse Standards
4331+ standards in database
4331 result(s) found
旋转电机冷却方法
Cooling methods for rotating electrical machines
高压电力设备外绝缘污秽等级
External insulation pollution classes of high-voltage electric power equipments
特低电压(ELV) 限值
Extra-low voltage (ELV)--limit values
电气继电器 第十五部分:电气继电器触点的寿命试验 试验设备的特性规范
Electrical relays--Part 15:Endurance tests for electrical relay contacts--Specification for the characteristics of test equipment
电气继电器 第十四部分:电气继电器触点的寿命试验 触点负载的优先值
Electrical relays--Part 14:Endurance test for electrical relay contacts--Preferred values for contact loads
电气继电器 第十八部分:有或无通用继电器的尺寸
Electrical relays--Part 18:Dimensions for general purpose all-or-nothing relays
普通测光标准灯泡
Photometrle standard lamp for general lighting serviue
发光强度、总光通量标准灯泡
Standard lamps for the measurment of luminous intensity and luminous flux
交流高压熔断器 术语
Alternating-current high-voltage fuses--Terminology
电工设备结构总技术条件
General technical standard for electrical equipment structure
射频电缆和连接器用六角和正方形压模腔体、压头、标准规、外导体压接套和中心接触件压接导线筒的尺寸
Dimensions for hexagonal and square crimping-die cavities， indentors， gauges，outer conductor crimp sleeves and centre contact crimp barrels for r.f. cables and connectors
电工电子产品用振动台、冲击台、碰撞台台面安装尺寸系列
Series of mounting sizes for vibration，shock and bump machine tables for electric and electronicproducts
电工术语 绝缘子
Electrotechnical terminology--Insulator
电气继电器 第3部分:它定时限或自定时限的单输入激励量量度继电器
Electrical relays--Part 3:Single input energizing quantity measuring relays with dependent or independent time
非定时限单输入激励量的量度继电器及保护装置
Single input energizing quantify measuring relays and protective equipment with nonspecified-time
自动化柴油发电机组分级要求
Automatic diesel generating set，requirements of classification
电气安装用导管配件的技术要求 第1部分:通用要求
Specification for conduit fittings for electrical installations--Part 1:General requirements
旋转牵引电机基本试验方法
Basic test method for rotating traction electrical machines
远动设备及系统 接口(电气特性)
Telecontrol equipment and systems--Interfaces (electrical characteristics)
远动设备及系统 第1部分:总则 第2篇:制定规范的导则
Telecontrol equipment and systems--Part 1:General considerations--Section 2:Guide for specifications