Browse Standards
4331+ standards in database
4331 result(s) found
低压电涌保护器（SPD） 第1部分：低压配电系统的电涌保护器 性能要求和试验方法
Low-voltage surge protective devices - Part 1: Surge protective devices connected to low-voltage power distribution systems -Requirements and tests
通信和电子设备用变压器和电感器铁心片 第2部分：软磁金属叠片最低磁导率规范
Laminations for transformers and inductors for use in telecommunication and electronic equipment - Part 2: Specification for the minimum permeabilities of laminations made of soft magnetic metallic materials
高压开关设备和控制设备标准的共用技术要求
Common specifications for high-voltage switchgear and controlgear standards
变压器环境意识设计导则
Guide of eco-design for power and distribution transformers
通信局站用智能新风节能系统
Intelligent energy saving system by fresh air for telecommunication stations/sites
电气化铁路27.5kV和2×27.5kV交流金属封闭开关设备和控制设备
27.5kV and 2×27.5kV AC metal-enclosed switchgear and controlgear for electrification railway
电气化铁路27.5kV单相交流交联聚乙烯绝缘电缆及附件
27.5kV single-phase AC XLPE insulation cable and accessories for electrification railway
YVF系列变频调速高压三相异步电动机技术条件（机座号355～630）
Specification for YVF series variable frequency high voltage three-phase induction motors (Frame size 355-630)
煤矿通风机用隔爆兼本质安全型变频调速控制器
Flameproof and intrinsically safe controller with frequency converter for coalmine ventilation fan
铅酸蓄电池隔板
Separators for lead-acid batteries
爆炸性气体环境用电气耦合连接器 第1部分：“n”型耦合连接器
Coupling connector for use in explosive gas atmospheres - Part 1: Type of protection “n” coupling connector
高压交流串联电容器用旁路开关
High-voltage alternating-current series capacitor by-pass switches
交流金属氧化物避雷器选择和使用导则
Selection and application recommendations of metal oxide surge arresters for a.c. systems
供电服务规范
Specification of electricity supply service
电力变压器、电源、电抗器和类似产品的安全 第8部分：玩具用变压器和电源的特殊要求和试验
Safety of power transformers, power supplies, reactors and similar products - Part 8:Particular requirements and tests for transformers and power supplies for toys
高压开关设备和控制设备中六氟化硫（SF6）气体的释放对环境和健康的影响
The health and environmental impact on release of sulphur hexafluoride （SF6） used in high-voltage switchgear and controlgear
电源电压为1 100V及以下的变压器、电抗器、电源装置和类似产品的安全 第7部分：安全隔离变压器和内装安全隔离变压器的电源装置的特殊要求和试验
Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 7: Particular requirements and test for safety isolating transformers and power supply units incorporating saftey isolating transformers
电源电压为1 100V及以下的变压器、电抗器、电源装置和类似产品的安全 第14部分：自耦变压器和内装自耦变压器的电源装置的特殊要求和试验
Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 14: Particular requirements and tests for auto transformers and power supply units incorporating auto transformers
电力变压器、电源、电抗器和类似产品的安全 第3部分：控制变压器和内装控制变压器的电源的特殊要求和试验
Safety of power transformers, power supplies, reactors and similar products - Part 3: Particular requirements and tests for control transformers and power supplies incorporating control transformers
电力变压器、电源、电抗器和类似产品的安全 第2部分：一般用途分离变压器和内装分离变压器的电源的特殊要求和试验
Safety of power transformers, power supplies, reactors and similar products - Part 2: Particular requirements and tests for separating transformers and power supplies incorporating separating transformers for general applications