BM1 系列交、直流断路器.doc

BM1 系列交、直流断路器 BM1- Series AC、DC Moulded Case Breakers适用范围 APPLICATION RANGE●BM1系列塑料外壳式断路器（以下简称断路器）， ●BM1 series moulded case breakers (hereafter reffered to as simply breakers)是本公司采用国际先进设计、制造技术研制、开 are one of the new type breakers which have been developed by the company发的新型断路器之一其额定绝缘电压为800V , using international advanced design and manufacturing technology. The rated适用于交流50Hz，额定工作电压690V及以下， insulation voltage of the breakers is 800V,suitable for turn -on or turn-off not额定工作电流至630A的电路中作不频繁转换及 frequently and staring a motor not frequently in the circuit of AC50Hz, rated电动机不频繁起动（BM1-630无电动机保护型） working voltage 690 V or below-rated working current up to 630A(BM 1 -630之用。

断路器具有过载、短路和欠电压保护功 is motor protection-free).The breakers have overload, short-circuit and under能，能保护线路和电源设备不受损坏 voltage protection devices. so as to protect the circuit and power equipment against damage.●断路器按照其额定极限短路分断能力（Icu）的高 ●The breakers. according to the rated maximal value to short-circuit breaking 低、分为L型（标准型）、M型（较高分断型）、 ability (Icu), would be classified three kinds types L(typical type)，M(second H型（高分断型）三类该断路器具有体积小、 high breaking type) and H(high breaking type). The breakers are of the分断能力高、飞弧短（部分规格零飞弧）、抗振动 following characteristics：compact size, high breaking ability, short arc- over等特点。

distance (some of the “0”arc-over distance)and shakeproof. ●本断路器可垂直安装（即竖装），亦可水平安装 ●The breaker could be installed vertically(upright)or horizontally(transverse).(即横装) ●本断路器具有隔离功能，其相应的符合为: ●The breaker has disconnecting function, its corresponding symbol is shown as “ ”●本断路器产品执行下列标准： ●The breakers comply with the demands of the following standards: IEC60947-1及GB/T14048.1-2000 总则 IEC60947-1 and GB/T14048.1-2000 GeneralIEC60947-2及GB 14048.2-2001 低压断路器 IEC60947-2 and GB 14048.2-2001 Low voltage breakers IEC60947-4-1及GB 14048.4-2003 机电式接触 IEC60947-4-1 and GB 14048.4-2003 Electromechanical contactors and motor starters器和电动机起动器 IEC60947-5-1及GB 14048.5-2001 机电式控制 IEC60947-5-1 and GB 14048.5-2001 Electrical equipments of electromechanical 电路电器 control circuit●本断路器获国家强制性产品认证“CCC”标志和 ●The breaker is permitted to use the CCC marking of CQC and CE marking 德国“TUV”(莱茵)公司“CE”认证 issued by TUV Rheinland of Germany适用工作环境 APPLICATION ENVIRONMENT CONDITION●周围介质温度不高于+40℃和不低于-5℃， ●Ambient temperature:-5℃～+40℃,and average temperature in 24 hours 且24h的平均值不超过+35℃； below +35℃●海拔2000m及以下; ●Elevation≤2000m●安装地点的空气相对湿度在最高温度为+40℃时不超 ●Relative humidity: not exceeding 50% at the maximum ambient temperature 过50%，在较低温度下可以有较高的相对湿度，例如 of +40℃.With lower temperature, higher humidity would be permitted, 20℃时达90%。

对由于温度变化偶尔产生的凝露应采 but the lower average temperature in a month not exceeding +25℃ during 取特殊措施； the most moist moth, and the maximum monthly average relative humidity not exceeding 90% in that month ,and giving consideration to the dews on●污染等级为3级 the goods surface, which would appear due to temperature change.●断路器主电路及电压脱扣器安装类别为Ⅲ，其余辅助 ●Pollution protection:3grade.电路、控制电路安装类别为Ⅱ ●Installing categories:Ⅲ for breakers’ main circuits, coils of under voltage ●断路器能耐受潮湿空气、盐雾、油雾、霉菌、核辐射 release and primary circuit of trainsformers; Ⅱfor other auxiliary circuits and的影响； control circuit.●断路器安装的最大倾斜度为±22.5°； ●Be able to bear the influence of moisture in the air or salt fog and oil fog or●断路器在受船舶正常振动时能可靠工作； mould or nuclear radiation.●断路器在受到地震情况下（4g）能可靠工作； ●The gradient≤±22.5°●断路器应安装在无爆炸危险和无导电尘埃、无足以腐 ●Be working reliably under the condition of normal vibration on ship. 蚀金属和破坏绝缘的地方； ●Be working reliably when earthquake (4g) occuring.●断路器应安装在没有雨雪侵袭的地方。

●There must be not any explosive medium, and there must be not any gas which would corrode metal or any con-ducting dust which would destroy the insulation. ●The place would not be invaded by rain and snow. 直流断路器的分类 CLASSIFICATION OF BM1 CIRCUIT BREAKERS型号及其含义如下： Type and its meaning B M 1 - □ □ □ / □ □ □ 用途代号2表示电动机保护 Application code 2 means for motor protection 脱扣器方式及附件代号（见表二） Release pattern and accessories code (see Table 2 ) 级数 Pole number 。