概述YB（YB2）系列全封闭自扇冷鼠笼式隔爆型三相异步电动机，是YB系列的更新换代产品。它具有高效、节能、起动转矩大、性能好、噪声低、振动小、可靠性高、使用维护方便等特点。功率等级和安装尺寸符合IEC标准并与YB系列电动机一致。本系列电动机的防爆性能符合GB3836.2-2000《爆炸性气体环境用电气设备第2部分:隔爆型“d”》和国际电工委员会标准IEC60079-1的规定,分别制成隔爆型ExdI、ExdⅡAT4、ExdⅢBT4,适用煤矿井下(非采掘工作面)及工厂ⅡA、ⅡB级、温度组别T1～T4组的爆炸性气体环境的危险场所.本系列电动机的外壳防护等级为IP55本系列电动机冷却方式为IC411型号含义Y     B    2     - 160  M   1  -2 异步电动机                                                                                                                   极数 隔爆型                                                                                                                                     铁心长度第二次改型设计电动机中心高                                                                                                                            M中机座                                                   (S为短机座、L为长机座)YB(YB2)系列防爆电机安装结构型式本系列电动机有以下五种基本安装结构型式:1、B14:机座不带底脚,端盖上有凸缘(带螺孔).2、B34:机座带底脚,端盖上有凸缘(带螺孔).3、B3:机座带底脚,端盖无凸缘.4、B5:机座不带底脚,端盖上有凸缘(带通孔).5、B35:机座带底脚,端盖上有凸缘(带通孔).本系列电动机使用条件海拔不超过过1000m;环境空气最高温度随季节化,但不超过35℃(煤矿井下)或40℃(工厂);环境空气最低温度为-15℃;环境空气最大相对湿度不超过95%(当温底为25℃时)节(煤矿井下)或最湿月月平均相对湿度为90%,同时该月月平均最低温度不高于25℃(工厂);额定电压:380V、660V、380/660V;额定频率:50HZ工作定额(见GB755)为连续(S1)工作制. 电动机接线合的出线口本系列电动机接线盒的出线口为两种,其出线口尺寸见表2 机座号H63-71H80-100H112-132H160-180H200-225H250-280H315-355喇叭出线口￠28￠28￠28￠37￠48￠74￠74螺纹出线口M24×1.5M30×2M30×2M36×2M48×2M64×2M64×2 订货须知订货时请注明电动机型号、额定功率、同频转速、电压、频率、防爆标志、接线合进线方式、结构安装型式、旋转方向、防护等级、使用环境条件.有特殊要求,如需装设定子测装置、加装加热器、轴承测温装置等,请在合同中详细注明或签订技术协议详细技术参加请登陆本公司官方网站查询www.cnetian.cn欢迎新老客户前来订购。Explosion-proof Electrical Co., Ltd. Shanghai Branch Cheung, professional production of "Branch Xiang" brand series of explosion-proof motor, explosion-proof fans, is proof of China Electrical Equipment Industrial Association and member of the electrical branch of the National Association of fan industry units, the company passed the IS09001-2000/ GB/T9001-2000 argument.All products have achieved the National Quality Supervision and Testing Center certificate issued by the explosion.   The company is located in known as "Pearl of the Orient" reputation of the Shanghai Jiading Industrial Zone, covers an area of 9600m2, building area of 18500m2.More than 300 employees, 30 senior engineers and technicians, the annual output of more than Baqian million.Product strictly in accordance with GB3836-2000 Electrical equipment for explosive gas atmospheres such as the national standard design and manufacturing.Company of its leading products are explosion-proof motor, Plant Explosion fan, fan of mine explosion, fire fans, air defense fan, roof fan.Products are widely used in railway, highway, mining, metallurgy, chemicals, shipbuilding, oil refining and other industrial and mining enterprises and food also apply to underground shopping malls, warehouses, hospitals and civilian high-rise building cooling, ventilation, fire smoke use.In particular, the local coal mine explosion-proof axial fan (YBT) and factory explosion-proof axial fan (CBF, BAF) are also exported to Africa, Southeast Asia, South America and other regions, by the users of praise.   Our success comes from hard to develop explosion-proof blower design safer products."Quality survival, reputation for service to new product development, to management for efficiency" is the proof Electrical Co., Ltd. Shanghai Branch Cheung's legislature of the plant.   Looking to the future full of bright, companies with high standards of product quality, price effective, comprehensive and thoughtful service based on the industry, and always adhere to the "character of our production of our products" for the purpose of establishing excellence, "Branch Cheung"image, dedication and general domestic and foreign friends a wide range of economic exchange and cooperation for a better future and brilliant!