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BQJ防爆自藕降压电磁启动器适用范围1、爆炸性气体环境：1区、2区2、场所中危险气体或蒸气：IIA、IIB、IIC3、温度组别：T1～T64、户内、户外（防护等级IP54, 可达IP65)Applying scope1、Explosive gas atmospheres:Zone 1＆22、Dangerous gasesorvapors zone: IIA、IIB、IIC3、Temperature classes:T1～T64、 Indoor and outdoor (IP 54,It could be designed as IP65 according to user′s requirements)产品特点1、该产品适用于14-135KW三相异步电动机不频繁自耦降压起动和停止用2、铸铝合金或钢板焊接外壳，表面喷塑3、壳体内装有自耦变压器、真空交流接触器、时间继电器、热继电器、中间继电器、电流互感器、转换开关、熔断器、电 压表、电流表、指示灯等元件4、起动电流不超过电机额定电流的3-4倍，起动时间为5-120秒，并可调整。若连续起动时间总和己达120分钟，需有足 够的冷却时间，一般不小于4小时，才能再次起动，不适宜频繁操作5、具有过载、短路保护功能6、进线腔、元件腔、出线腔分别独立7、输入、输出三相五线制（3P+N+PE）8、可根据用户要求特制9、可钢管或电缆布线，电缆布线须配电缆夹紧密封接头Features1、Suitable for 14-135KW three-phase asynchronous motor,which is not frequently auto transformer started and stopped2、Enclosure is made of casting aluminum alloyorsteel plate,surface is sprayed with plastics3、Equipped with autotransformer,vacuum AC conductor,time relay,thermorelay,intermediate relay,current transformer,reset switch, fuse,voltmeter,ammeter,indicating lamp4、Starting current cannot exceed 3-4 times of motor rated current,starting time is within 5-120 seconds,adjustable. If total continous starting time exceeds 120 minutes,enough cooling time is necessary. Generally,interval shouldn′t be less than 4 hours. Motor is not suitable for frequent starting5、With overload and short circuit protect function6、Inlet compartment, component and outlet compartment are independent from each other7、Input:3P+N+PE , output: 3P+N+PE8、For user′s requirements, it could be specially made9、Wiring with conduitorcable,For cable, it should be fitted with explosion-protected cable sealing connector 主要技术参数 Specification 型号 电机功率(Kw) 额定工作电流(A) 自耦变压器功率(Kw) 电流互感器比值 使用类别 极数 热继电器整定电流(A) BQJ-14J 14 28 14 AC3 3P+N+PE 28 BQJ-20J 20 40 20 40 BQJ-28J 28 58 28 58 BQJ-40J 40 80 40 80 BQJ-55J 55 55 55 110 BQJ-75J 75 142 75 200/5 150 BQJ-80J 80 152 115 300/5 160 BQJ-95J 95 180 190 BQJ-100J 100 200 200 BQJ-110J 110 220 220 BQJ-115J 115 230 230 BQJ-125J 125 250 135 400/5 250 BQJ-130J 130 260 326 BQJ-135J 135 270 270 防护等级 防爆标志 防腐等级 IP54、*IP65 Exd II BT6 W,WF1,WF2 Exd II CT6联 系 人：江宇 移动电话：13777741578 公司网址：http://www.yqkmfb.com/地址：浙江 温州 乐清市黄华镇华山工业区