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Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB 14048.5-2008 |
Low-voltage switchgear and controlgear - Part 5-1:Control circuit devices and switching element - Electromechanical control circuit devices 低压开关设备和控制设备 第5-1部分:控制电路电器和开关元件 机电式控制电路电器 |
China National Standards voltage |
English PDF |
GB 14048.3-2008 |
Low-voltage switchgear and controlgear - Part 3:Switches, disconnectors, switch-disconnectors and fuse-combination units 低压开关设备和控制设备 第3部分: 开关、隔离器、隔离开关以及熔断器组合电器 |
China National Standards voltage |
English PDF |
GB 13539.3-2008 |
Low-voltage fuses - Part 3:Supplementary requirements for fuses for use by unskilled persons(fuses mainly for household and similar applications) - Examples of standardized systems of fuses A to F 低压熔断器 第3部分: 非熟练人员使用的熔断器的补充要求(主要用于家用和类似用途的熔断器) 标准化熔断器系统示例A至F |
China National Standards voltage |
English PDF |
GB 13539.1-2008 |
Low-voltage fuses - Part 1:General requirements 低压熔断器 第1部分:基本要求 |
China National Standards voltage |
English PDF |
GB/T 16895.1-2008 |
Low-voltage electrical installations - Part 1: Fundamental principles, assessment of general characteristics,definitions 低压电气装置 第1部分: 基本原则、一般特性评估和定义 |
China National Standards voltage |
English PDF |
GB/T 15543-2008 |
Power quality - Three-phase voltage unbalance 电能质量 三相电压不平衡 |
China National Standards voltage |
English PDF |
GB/T 12326-2008 |
Power quality - voltage fluctuation and flicker 电能质量 电压波动和闪变 |
China National Standards voltage |
English PDF |
GB/T 12325-2008 |
Power quality - Deviation of supply voltage 电能质量 供电电压偏差 |
China National Standards voltage |
English PDF |
GB/T 999-2008 |
voltage ratings of D.C.electric traction system 直流电力牵引额定电压 |
China National Standards voltage |
English PDF |
GB/T 4473-2008 |
Synthetic testing of high-voltage alternating current circuit-breakers 高压交流断路器的合成试验 |
China National Standards voltage |
English PDF |
GB/T 2900.18-2008 |
Electrotechnical terminology - Low voltage apparatus 电工术语 低压电器 |
China National Standards voltage |
English PDF |
GB/T 17626.11-2008 |
Electromagnetic compatibility - Testing and measurement techniques - voltage dips,short interruptions and voltage variations immunity tests 电磁兼容 试验和测量技术 电压暂降、短时中断和电压变化的抗扰度试验 |
China National Standards voltage |
English PDF |
GB/T 21705-2008 |
Power monitor for low-voltage electrical apparatus 低压电器电量监控器 |
China National Standards voltage |
English PDF |
GB/T 21697-2008 |
Insulation coordination of low voltage power line and electronic system 低压电力线路和电子设备系统的雷电过电压绝缘配合 |
China National Standards voltage |
English PDF |
GB/T 16935.1-2008 |
Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests 低压系统内设备的绝缘配合 第1部分:原理、要求和试验 |
China National Standards voltage |
English PDF |
GB/Z 21713-2008 |
Recommended practice on characteristic of surges in low-voltage (1000 V and Less) AC Power circuits 低压交流电源(不高于1000 V)中的浪涌特性 |
China National Standards voltage |
English PDF |
GB/T 9043-2008 |
General technical requirements of gas discharge tubes for the over-voltage protection of telecommunications installations 通信设备过电压保护用气体放电管通用技术条件 |
China National Standards voltage |
English PDF |
GB/T 21545-2008 |
Principles of protection against overvoltages and overcurrents 通信设备过电压过电流保护导则 |
China National Standards voltage |
English PDF |
GB 14048.6-2008 |
Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters AC semiconductor motor controllers and starters(including soft-starter) 低压开关设备和控制设备 第4-2部分:接触器和电动机起动器 交流半导体电动机控制器和起动器(含软起动器) |
China National Standards voltage |
English PDF |
GB/T 21560.6-2008 |
Low-voltage power supplies, d.c. output - Part 6: Requirements for low-voltage power supplies assessed performance 低压直流电源 第6部分:评定低压直流电源性能的要求 |
China National Standards voltage |
English PDF |
GB/T 21560.3-2008 |
Low-voltage power supplies, d.c. output - Part 3: Electromagnetic compatibility (EMC) 低压直流电源 第3部分:电磁兼容性(EMC) |
China National Standards voltage |
English PDF |
GB/T 5013.7-2008 |
Rubber insulated cables of rated voltages up to and including 450/750V - Part 7:Heat resistant ethylene-vinyl acetate rubber insulated cables 额定电压450/750V及以下橡皮绝缘电缆 第7部分:耐热乙烯-乙酸乙烯酯橡皮绝缘电缆 |
China National Standards voltage |
English PDF |
GB/T 5013.6-2008 |
Rubber insulated cables of rated voltages up to and including 450/750V - Part 6:Arc welding electrode cables 额定电压450/750V及以下橡皮绝缘电缆 第6部分:电焊机电缆 |
China National Standards voltage |
English PDF |
GB/T 5013.5-2008 |
Rubber insulated cables of rated voltages up to and including 450/750V - Part 5:Lift cables 额定电压450/750V及以下橡皮绝缘电缆 第5部分:电梯电缆 |
China National Standards voltage |
English PDF |
GB/T 5013.4-2008 |
Rubber insulated cables of rated voltages up to and including 450/750V - Part 4:Cords and flexible cables 额定电压450/750V及以下橡皮绝缘电缆 第4部分:软线和软电缆 |
China National Standards voltage |
English PDF |
GB/T 5013.3-2008 |
Rubber insulated cables of rated voltages up to and including 450/750V - Part 3:Heat resistant silicone insulated cables 额定电压450/750V及以下橡皮绝缘电缆 第3部分:耐热硅橡胶绝缘电缆 |
China National Standards voltage |
English PDF |
GB/T 5013.2-2008 |
Rubber insulated cables of rated voltages up to and including 450/750V - Part 2:Test methods 额定电压450/750V及以下橡皮绝缘电缆 第2部分:试验方法 |
China National Standards voltage |
English PDF |
GB/T 5013.1-2008 |
Rubber insulated cables of rated voltages up to and including 450/750V - Part 1: General requirements 额定电压450/750V及以下橡皮绝缘电缆 第1部分:一般要求 |
China National Standards voltage |
English PDF |
GB/T 3805-2008 |
Extra-low voltage(ELV) - Limit values 特低电压 (ELV) 限值 |
China National Standards voltage |
English PDF |
GB/T 2900.12-2008 |
Electrotechnical terminology - surge arresters,low-voltage surge protective devices and components 电工术语 避雷器、低压电涌保护器及元件 |
China National Standards voltage |
English PDF |
GB/T 21421.1-2008 |
Composite string insulator units for overhead lines with a nominal voltage greater than 1000V - Part 1: Standard strength classes and end fittings 标称电压高于1000V架空线路用复合绝缘子串元件 第1部分:标准强度等级和端部附件 |
China National Standards voltage |
English PDF |
GB/T 311.3-2007 |
Insulation coordination - Part 3:Procedures for high-voltage direct current(HVDC) converter stations 绝缘配合 第3部分:高压直流换流站绝缘配合程序 |
China National Standards voltage |
English PDF |
GB/T 21222-2007 |
Methods for the determination of the lightning impulse breakdown voltage of insulating liquids 绝缘液体 雷电冲击击穿电压测定方法 |
China National Standards voltage |
English PDF |
GB/T 3048.8-2007 |
Test methods for electrical properties of electric cables and wires - Part 8:AC voltage test 电线电缆电性能试验方法 第8部分:交流电压试验 |
China National Standards voltage |
English PDF |
GB/T 3048.14-2007 |
Test methods for electrical properties of electric cables and wires - Part 14: DC voltage test 电线电缆电性能试验方法 第14部分:直流电压试验 |
China National Standards voltage |
English PDF |
GB/T 3048.13-2007 |
Test methods for electrical properties of electric cables and wires - Part 13:Impulse voltage test 电线电缆电性能试验方法 第13部分:冲击电压试验 |
China National Standards voltage |
English PDF |
GB/T 21208-2007 |
Low-voltage switchgear and controlgear - Controllers for drivers of stationary fire pumps 低压开关设备和控制设备 固定式消防泵驱动器的控制器 |
China National Standards voltage |
English PDF |
GB/Z 20996.3-2007 |
Performance of high-voltage direct current(HVDC) systems - Part 3: Dynamic conditions 高压直流系统的性能 第3部分:动态 |
China National Standards voltage |
English PDF |
GB/Z 20996.2-2007 |
Performance of high-voltage direct current(HVDC)systems - Part 2: Faults and switching 高压直流系统的性能 第2部分:故障和操作 |
China National Standards voltage |
English PDF |
GB/Z 20996.1-2007 |
Performance of high-voltage direct current(HVDC) systems - Part 1: Steady-state conditions 高压直流系统的性能 第1部分:稳态 |
China National Standards voltage |
English PDF |
GB/T 20990.1-2007 |
Thyristor valves for high voltage direct current (HVDC) power transmission - Part 1: Electrical testing 高压直流输电晶闸管阀 第1部分:电气试验 |
China National Standards voltage |
English PDF |
GB/T 20989-2007 |
Determination of power losses in high-voltage direct current (HVDC) converter stations 高压直流换流站损耗的确定 |
China National Standards voltage |
English PDF |
GB/T 18802.341-2007 |
Components for low-voltage surge protective devices - Part 341: Secification for thyristor surge suppressors(TSS) 低压电涌保护器元件 第341部分:电涌抑制晶闸管(TSS)规范 |
China National Standards voltage |
English PDF |
GB/T 18802.331-2007 |
Components for low-voltage surge protective devices - Part 331: Secification for metal oxide varistors(MOV) 低压电涌保护器元件 第331部分:金属氧化物压敏电阻(MOV)规范 |
China National Standards voltage |
English PDF |
GB/T 18802.321-2007 |
Components for low-voltage surge protective devices - Part 321: Specifications for avalanche breakdown diode(ABD) 低压电涌保护器元件 第321部分:雪崩击穿二极管(ABD)规范 |
China National Standards voltage |
English PDF |
GB/T 13498-2007 |
Terminology for high - voltage direct current(HVDC) transmission 高压直流输电术语 |
China National Standards voltage |
English PDF |
GB/T 3926-2007 |
Rated voltages for medium frequency equipment 中频设备额定电压 |
China National Standards voltage |
English PDF |
GB/T 156-2007 |
Standard voltages 标准电压 |
China National Standards voltage |
English PDF |
GB 17625.2-2007 |
Eiectromagnetic compatibility limits(EMC) - Limitation of voltage changes,voltage fluctuations and flicker in public low-voltage supply systems,for equipment with rated current ≤16A per phase and not subject to conditional connection 电磁兼容 限值 对每相额定电流≤16A且无条件接入的设备在公用低压供电系统中产生的电压变化、电压波动和闪烁的限制 |
China National Standards voltage |
English PDF |
GB/T 20841-2007 |
Heating cables with a rated voltage of 300/500V for comfort heating and prevention of ice formation 额定电压300/500V生活设施加热和防结冰用加热电缆 |
China National Standards voltage |
English PDF |
GB/T 20840.7-2007 |
Instrument transformers - Part 7: Electronic voltage transformers 互感器 第7部分:电子式电压互感器 |
China National Standards voltage |
English PDF |
GB/T 13033.2-2007 |
Mineral insulated cables and their terminations with a rated voltage not exceeding 750V - Part 2: Terminations 额定电压750V及以下矿物绝缘电缆及终端 第2部分:终端 |
China National Standards voltage |
English PDF |
GB/T 13033.1-2007 |
Mineral insulated cables and their terminations with a rated voltage not exceeding 750 V Part 1: Cables 额定电压750V及以下矿物绝缘电缆及终端 第1部分:电缆 |
China National Standards voltage |
English PDF |
GB/T 18802.311-2007 |
Components for low-voltage surge protective devices - Part 311: Specification for gas discharge tubes(GDT) 低压电涌保护器元件 第311部分:气体放电管(GDT)规范 |
China National Standards voltage |
English PDF |
GB/T 17626.29-2006 |
Electromagnetic compatibility(EMC) - Testing and measurement techniques - voltage dips,short interruptions and voltage variations on d.c. input power port immunity tests 电磁兼容 试验和测量技术 直流电源输入端口电压暂降、短时中断和电压变化的抗扰度试验 |
China National Standards voltage |
English PDF |
GB/T 5054.3-2006 |
Road vehicles - Multicore connecting cables -Part 3: Construction, dimensions and marking of unscreened sheathed low-voltage cables 道路车辆 多芯电缆线 第3部分:无屏蔽护套低压电缆线的结构、尺寸和标记 |
China National Standards voltage |
English PDF |
GB/T 5053.2-2006 |
Road vehicles - Connectors for the electrical connection of towing and towed vehicles - 7-pole connector type 12 N (normal) for vehicles with 12 V nominal supply voltage 道路车辆 牵引车与挂车之间电连接器 7芯12V标准型(12N) |
China National Standards voltage |
English PDF |
GB/T 5053.1-2006 |
Road vehicles - Connectors for the electrical connection of towing and towed vehicles - 7-pole connector type 24 N (normal) for vehicles with 24 V nominal supply voltage 道路车辆 牵引车与挂车之间电连接器 7芯24V标准型(24N) |
China National Standards voltage |
English PDF |
GB/T 20718-2006 |
Road vehicles - Connectors for the electrical connection of towing and towed vehicles - 13-pole connector for vehicles with 12V nominal supply voltage 道路车辆 牵引车和挂车之间的电连接器 12V13芯型 |
China National Standards voltage |
English PDF |
GB/T 20717-2006 |
Road vehicles - Connectors for the electrical connection of towing and towed vehicles - 15-pole connector for vehicles with 24V nominal supply voltage 道路车辆 牵引车和挂车之间的电连接器 24V15芯型 |
China National Standards voltage |
English PDF |
GB/T 20716.2-2006 |
Road vehicles - Connectors for the electrical connection of towing and towed vehicles - Part 2: Connectors for braking systems and running gears of vehicles with 12V nominal supply voltage 道路车辆 牵引车和挂车之间的电连接器 第2部分:12V标称电压车辆的制动系统和行走系的连接 |
China National Standards voltage |
English PDF |
GB/T 20716.1-2006 |
Road vehicles - Connectors for the electrical connection of towing and towed vehicles - Part 1: Connectors for braking systems and running gears of vehicles with 24V nominal supply voltage 道路车辆 牵引车和挂车之间的电连接器 第1部分:24V标称电压车辆的制动系统和行走系的连接 |
China National Standards voltage |
English PDF |
GB/T 17574.20-2006 |
Semiconductor devices - Integrated circuits - Part 2-20:Digital integrated circuits - Family specification - Low voltage integrated circuits 半导体器件 集成电路 第2-20部分:数字集成电路 低压集成电路族规范 |
China National Standards voltage |
English PDF |
GB 7251.4-2006 |
Low-voltage switchgear and controlgear assemblies - Part 4 :Particular requirements for assemblies for construction sites(ACS) 低压成套开关设备和控制设备 第4部分:对建筑工地用成套设备(ACS)的特殊要求 |
China National Standards voltage |
English PDF |
GB/T 1408.2-2006 |
Electrical strength of insulating materials - Test methods - Part 2: Additional requirements for tests using direct voltage 绝缘材料电气强度试验方法 第2部分:对应用直流电压试验的附加要求 |
China National Standards voltage |
English PDF |
GB/T 14048.8-2006 |
Low-voltage switchgear and controlgear - Part 7-2: Ancillary equipment - Protective conductor terminal blocks for copper conductors 低压开关设备和控制设备 第7-2部分:辅助器件 铜导体的保护导体接线端子排 |
China National Standards voltage |
English PDF |
GB/T 14048.7-2006 |
Low-voltage switchgear and controlgear - Part 7-1: Ancillary equipment - Terminal blocks for copper conductors 低压开关设备和控制设备 第7-1部分:辅助器件 铜导体的接线端子排 |
China National Standards voltage |
English PDF |
GB/T 14048.16-2006 |
Low-voltage switchgear and controlgear - Part 8: Control units for built-in thermal protection(PTC) for rotating electrical machines 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 |
China National Standards voltage |
English PDF |
GB/T 14048.15-2006 |
Low-voltage switchgear and controlgear - Part 5-6: Control circuit devices and switching elements - DC interface for proximity sensors and switching amplifiers(NAMUR) 低压开关设备和控制设备 第5-6部分:控制电路电器和开关元件-接近传感器和开关放大器的DC接口(NAMUR) |
China National Standards voltage |
English PDF |
GB/T 14048.14-2006 |
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5-5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 |
China National Standards voltage |
English PDF |
GB/T 14048.13-2006 |
Low-voltage switchgear and controlgear - Part 5-3: Control circuit devices and switching elements - Requirements for proximity devices with defined behaviour under fault conditions(PDF) 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(PDF)的要求 |
China National Standards voltage |
English PDF |
GB/T 14048.12-2006 |
Low-voltage switchgear and controlgear - Part 4-3: Contactors and motor-starters-AC semiconductor controllers and contactors for non-motor loads 低压开关设备和控制设备 第4-3部分:接触器和电动机起动器-非电动机负载用交流半导体控制器和接触器 |
China National Standards voltage |
English PDF |
GB/T 20645-2006 |
Specific environmental condition - Technical requirements of low-voltage apparatuses for plateau 特殊环境条件 高原用低压电器技术要求 |
China National Standards voltage |
English PDF |
GB/T 20635-2006 |
Special environment condition - Technical requirements of high voltage apparatus used for plateau 特殊环境条件 高原用高压电器的技术要求 |
China National Standards voltage |
English PDF |
GB 7251.3-2006 |
Low-voltage switchgear and controlgear assemblies - Part 3: Particular requirements for Low-voltage switchgear and controlgear assemblies intended to be installed in places where unskilled persons have access for their use - Distribution boards 低压成套开关设备和控制设备 第3部分:对非专业人员可进入场地的低压成套开关设备和控制设备-配电板的特殊要求 |
China National Standards voltage |
English PDF |
GB 7251.2-2006 |
Low-voltage switchgear and controlgear assemblies - Part 2: Particular requirements for busbar trunking systems(busways) 低压成套开关设备和控制设备 第2部分:对母线干线系统(母线槽)的特殊要求 |
China National Standards voltage |
English PDF |
GB 3906-2006 |
Alternating-current metal-enclosed switchgear and controlgear for rated voltages above 3.6 kV and up to and including 40.5 kV 3.6kV~40.5kV交流金属封闭开关设备和控制设备 |
China National Standards voltage |
English PDF |
GB/T 11068-2006 |
Gallium arsenide epitaxial layer - determination of carrier concentration voltage-capacitance method 砷化镓外延层载流子浓度电容-电压测量方法 |
China National Standards voltage |
English PDF |
GB/T 5023.6-2006 |
Polyvinyl chloride insulated cables of rated voltages up to and including 450/750V Part 6: Lift cables and cables for flexible connections 额定电压450/750V及以下聚氯乙烯绝缘电缆 第6部分:电梯电缆和挠性连接用电缆 |
China National Standards voltage |
English PDF |
GB/T 20142-2006 |
Composite line post insulators for a.c. overhead lines with a norminal voltage greater than 1000V -- Definitions, Test methods and acceptance criteria 标称电压高于1000V的交流架空线路用线路柱式复合绝缘子-定义、试验方法及接收准则 |
China National Standards voltage |
English PDF |
GB 19212.13-2005 |
Safety of power transformers, power supply units and similar devices -- Part 13: Particular requirements for constant voltage transformers 电力变压器、电源装置和类似产品的安全 第13部分:恒压变压器的特殊要求 |
China National Standards voltage |
English PDF |
GB/T 7253-2005 |
Insulators for overhead lines with a nominal voltage above 1000V -- Ceramic or glass insulator units for a.c.systems -- Charateristics of insulator units of the cap and pin type 标称电压高于1000V的架空线路绝缘子 交流系统用瓷或玻璃绝缘子元件 盘形悬式绝缘子元件的特性 |
China National Standards voltage |
English PDF |
GB/T 1695-2005 |
Rubber,vulcanized -- Determination of electrical breakdown strength and voltage resistant at commercial power frequency 硫化橡胶 工频击穿电压强度和耐电压的测定方法 |
China National Standards voltage |
English PDF |
GB 5226.3-2005 |
Sefety of machinery-Eletrical equipment of machines-Part 11:Requirements for HV equipment for voltages above 1000Va.c.or 1500Vd.c.and not exceeding 36kV 机械安全 机械电气设备 第11部分:电压高于1000Va.c.或1500Vd.c.但不超过36kV的高压设备的技术条件 |
China National Standards voltage |
English PDF |
GB/T 19899-2005 |
Binary direct voltage signals for process Measurement and control systems 过程测量和控制系统用二进制 直流电压信号 |
China National Standards voltage |
English PDF |
GB/T 772-2005 |
Technical specifications of porcelain element for high voltage insulators 高压绝缘子瓷件 技术条件 |
China National Standards voltage |
English PDF |
GB/T 16935.3-2005 |
Insulation coordination for equipment within low-voltage systems Part 3:Use of coating,potting or moulding for protection against pollution 低压系统内设备的绝缘配合 第3部分:利用涂层、罐封和模压进行防污保护 |
China National Standards voltage |
English PDF |
GB/T 311.6-2005 |
voltage measurement by means of standard air gaps 高电压测量标准空气间隙 |
China National Standards voltage |
English PDF |
GB/T 17626.14-2005 |
Electromagnetic compatibility Testing and measurement techniques voltage fluctuation immunity test 电磁兼容 试验和测量技术 电压波动抗扰度试验 |
China National Standards voltage |
English PDF |
GB/T 16896.1-2005 |
Instruments and software used for measurements in high-voltage impulse tests Part 1:requirements for instruments 高电压冲击测量仪器和软件 第一部分:对仪器的要求 |
China National Standards voltage |
English PDF |
GB/T 7251.8-2005 |
Low-voltage Switchgear and Controlgear assemblies General Technology Requirement for Intelligent Assemblies 低压成套开关设备和控制设备 智能型成套设备通用技术要求 |
China National Standards voltage |
English PDF |
GB/T 10233-2005 |
Basic testing method for low-voltage switchgear and controlgear assemblies 低压成套开关设备和电控设备基本试验方法 |
China National Standards voltage |
English PDF |
GB 16895.22-2004 |
Electrical instal lations of buildings--Part 5-53:Selection and erection of electrical equipment isolation,switching and control--Section 534:Devices for protection against overvoltages 建筑物电气装置 第5-53部分:电气设备的选择和安装-隔离、开关和控制设备 第534节:过电压保护电器 |
China National Standards voltage |
English PDF |
GB/T 4585-2004 |
Artificial pollution tests on high-voltage insulators to be used on a.c. systems 交流系统用高压绝缘子的人工污秽试验 |
China National Standards voltage |
English PDF |
GB/T 17478-2004 |
Low-voltage power supply devices,d.c.output--Performance characteristics 低压直流电源设备的性能特性 |
China National Standards voltage |
English PDF |
GB 3804-2004 |
High-voltage alternating-current switches for rated voltage above 3.6 kV and less than 40.5 kV 3.6 kV~40.5 kV 高压交流负荷开关 |
China National Standards voltage |
English PDF |
GB/T 19443-2004 |
Insulators for overhead lines with a nominal voltage above 1000V--Ceramic or glass insulator units for d.c. systems--Difinitions,test methods and acceptance criteria 标称电压高于1000V的架空线路用绝缘子----直流系统用瓷或玻璃绝缘子元件----定义、试验方法和接收准则 |
China National Standards voltage |
English PDF |
GB/T 12747.2-2004 |
Shunt power capacitors of the self-healing type for a.c.systems having a rated voltage up to and including 1000V--Part 2:Ageing test,self-healing test and destruction test 标称电压1 kV及以下交流电力系统用自愈式并联电容器 第2部分:老化试验、自愈性试验和破坏试验 |
China National Standards voltage |
English PDF |
GB/T 18802.21-2004 |
Low-voltage surge protective devices--Part 21:Surge protective devices connected to telecommunications and signalling networks--Performance requirements and testing methods 低压电涌保护器 第21部分:电信和信号网络的电涌保护器(SPD)----性能要求和试验方法 |
China National Standards voltage |
English PDF |
GB/T 19334-2003 |
Dimension of low-voltage switchgear and controlgear--Standardized mounting on rails for mechanical support of electrical devices in switchgear andcontrolgear installations 低压开关设备和控制设备的尺寸 在成套开关设备和控制设备中作电器机械支承的标准安装轨 |
China National Standards voltage |
English PDF |
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