产品名称:  BQJ52防爆星三角起动箱（ⅡB）
 
适用范围Application 
1区、2区危场所。
IIA、IIB类爆竹性气体环境.
Can be used in Zone 1 and Zone 2one 2 dangerous places.
Can be used in IIA,IIB group explosive atmosphere
.
型号含义Model implication

 
产品特点 Features  
该产品适用于3-95KW 三相异步电动机不频繁起动和停止.
铸铝合金或钢板焊接外壳,表面喷塑.
内装断路器,交流接触器,时间断电器,热继电器,电流互感 器,电压表,电流表,转换开关,指示灯.
延时自动控制时间继电器(0-60秒内可调).
适用于不间断长期工作制或反复短时工作制,在反复短时 工作制下的操作频率为30次/小时,两次边疆起动间隙不 小于90秒.
具有过载,短路,断相保护等功能.
可根据用户要求特制.
钢管或电缆布线均可.
45kw以下为铝合金壳体,45kw(含45kw)以上的为钢板焊 接壳体.
符合BG3836-2000,IEC60079标准要求.
Suitable for 3-95kw asynchronous motor to start and stop unfrequently.
The shell is of diecaste Al-alloy or welded by steel plates with plastic-sprayed surface.
Inside is installed with CB,AC contactor,time relay,thermal relay,CT,
Voltmeter,ammeter,conversion switch and indicatior.
Delayed self-controlled relay (0-60s adjustable).
Suitable for continuously work or short interval work,at short intarval
work its operating frequency is 30 times/hour,the interval is not less
Than 90 seconds.
With protections of over load,short-circuit,phase-failure.
Special requirements can be provided.
Conduit wiring or cable wiring.
The shell is of diecasted-AI,if<45kw,welded steel plate,if
Suitable for GB3836-2000,IEC60079 standard request.

 
主要技术参数 Main technical parameters
 
产品型号Type
 控制电机功率(kw)Power of controlled motor
 额定电流(A)Rated current 热继电器整定额定电流(A) Setting current of thermal ralay 时间继电器整定值(S)Setting of time relay
BQJ52-Y13 13 26 1.05In 11 
BQJ52-Y17 17 33 13
BQJ52-Y22 22 42.8 15
BQJ52-Y30 30 58 17
BQJ52-Y37 37 72 17
BQJ52-Y45 4 90 20
BQJ52-Y55 55 105 24
BQJ52-Y75 75 150 30
BQJ52-Y95 95 190 35
 
防腐等级 Corrosion-proof grade  防爆标志 Ex-mark  防腐等级 Corrosion-proof grade  进线口螺纹(G") Inlet’s thread  出线口螺纹（G"）Outlet’s thread  电缆外径（）Cable’s outside diameter 
IP54 Exd II BT4  WF1 1 1/2-3  1 1/2-3  30-50
 
 
外形及安装尺寸 Outlinge and installing dimension