Browse Standards
4331+ standards in database
4331 result(s) found
小型熔断器 第4部分：通用模件熔断体
Miniature fuses - Part 4: Universal Modular Fuse-links(UMF)
荧光灯用辉光启动器
Glow-starters for fluorescent lamps
爆炸性环境用往复式内燃机防爆技术通则 第2部分：可燃性粉尘环境用Ⅱ类内燃机
General rules of explosion-protect techniques of reciprocating internal combustion engines for explosive atmospheres - Part 2: Group Ⅱengines for use in flammable dust atmospheres
爆炸性环境用往复式内燃机防爆技术通则 第1部分：可燃性气体和蒸汽环境用 Ⅱ类内燃机
General rules of explosion-protect techniques of reciprocating internal combustion engines for explosive atmospheres - Part 1: Group Ⅱengines for use in flammable gas and vapor atmospheres
可燃性粉尘环境用电气设备 第3部分：存在或可能存在可燃性粉尘的场所分类
Electrical apparatus for use in the presence of combustible dust - part 3: Classfication of areas where combustible dusts are or may be present
电力变压器、电源装置和类似产品的安全 第14部分：一般用途自耦变压器的特殊要求
Safety of power transformers,power supply units and similar devices - Part 14: Particular requirements for auto-transformers for general use
电力变压器、电源装置和类似产品的安全 第10部分：III类手提钨丝灯用变压器的特殊要求
Safety of power transformers,power supply units and similar devices - Part 10: Particular requirements for transformers for class III handlamps for tungsten filament lamps
电力变压器、电源装置和类似产品的安全 第21部分：小型电抗器的特殊要求
Safety of power transformers,power supply units and similar devices - Part 21: Particular requirements for small reactors
爆炸性气体环境用电气设备 第17部分：正压房间或建筑物的结构和使用
Electrical apparatus for explosive gas atmosphere - Part 13: Construction and use of rooms or buildings protected by pressurization
可燃性气体探测用电气设备 第1部分：通用要求和试验方法
Electrical apparatus for the detection and measurement of flammable gases - Part 1: General requirement and test methods
电力变压器、电源装置和类似产品的安全 第9部分：电铃和电钟变压器的特殊要求
Safety of power transformers,power supply units and similar devices - Part 9: Particular requirements for bell and chime transformers
灯具 第2-10部分：特殊要求 儿童用可移式灯具
Luminaires - Part 2-10: Particular requirements - Portable luminaires for children
灯的控制装置 第13部分: 放电灯(荧光灯除外)用直流或交流电子镇流器的特殊要求
Lamp controlgear - Part 13: Particular requirements for d.c.or a.c. supplied electronic ballasts for discharge lamps(excluding fluorescent lamps)
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）
Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters AC semiconductor motor controllers and starters(including soft-starter)
灯具 第2-20部分：特殊要求 灯串
Luminaires - Part 2-20: Particular requirements - Lighting chains
灯具 第2-6部分：特殊要求 带内装式钨丝灯变压器或转换器的灯具
Luminaires- Particular requirements - Part 2-6: Luminaires with built-in transformers or convertors for filament lamps
灯具 第2-22部分：特殊要求 应急照明灯具
Luminaires - Part 2-22: Particular requirements-luminaires for emergency lighting
热熔断体的要求和应用导则
Thermal-links - Requirements and application guide
爆炸性环境用往复式内燃机防爆技术通则 第3部分：存在甲烷和（或）可燃性粉尘的地下矿区巷道用I类内燃机
General rules of explosion-protect techniques of reciprocating internal combustion engines for explosive atmospheres - Part 3: Group I engines for use in underground workings susceptible to firedamp and/or combustible dust
普通照明用自镇流灯的安全要求
Self-ballasted lamps for general lighting services - Safety requirements