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BQJ type explosion-proof auto-decompression starter (ⅡB)

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BQJ type explosion-proof auto-decompression starter (ⅡB)

型号含义 Model implication

适用范围 Applications

1.1区、2区危险场所或20区、21区、22区危险场所；
2.ⅡA、ⅡB爆炸性气体环境或可燃性粉尘环境；
3.户内、户外(IP54)；
4.温度组别：T1~T4；
5.应用于石油、化工、航天、军工等场所。
1.Hazardous:division 1 &2,or 20,21,&22;
2.Explosive gas atmosphers: class ⅡA ⅡB or inflammable
dust environment;
3.Indoor or outdoor(IP54);
4.Temperature class:T1~T4;
5.Widely using in the fields of oil, chemical industry, spaceflight,war ind-ustru and so on.

产品特点 Features

1.钢板焊接，表面喷塑；
2.内装自耦变压器、交流接触器、热继电器、断路器、 时
间继电器、电流互感器、电压表、电流表、转换开关及
指示灯等元件；
3.产品具有过载、短路、欠压、断相等保护功能；
4.可根据用户要求特制；
5.钢管或电缆布线。
1.Welded with steel plate, surface is sprayed with plastic;
2.Built-in auto-transfomer, AC contactor, thermal relay, circuit-breaker, time relay, current instrument transformer, voltmeter,ammeter, transfer switch and indicator lamp;
3.With overload, short circuit, low voltage, short phase protectionfunctions;
4.It can be made on requests;T1~T4/T6;
5.Wiring with steel tube or cable.

主要技术参数 Main technical parameters

防爆标志
Ex-mark		 防腐等级
Erosion-proof
-class		 防护等级
Degree
of protection		 进出线口螺纹
Inlet thread(G")		 电缆外径
cable
outer dia.(mm)
ExdⅡBT4 等效于 Ⅱ2G ExdⅡBT4(欧标)
ExdeⅡBT4 等效于 Ⅱ2G ExdeⅡBT4(欧标)
DIP A20 TA,T4 等效于 Ⅱ1D Ex tD A20 T4(欧标)		 WF1 IP54 G1"~G3" φ14~φ56

 

型号
Type		 电机功率(KW)
Power of motor		 额定电流(A)
Rated Current		 自耦变压器容量(KVA)
Varitran power		 电流互感器比值
CT ratio
BQJ-14
BQJ-22
BQJ-28
BQJ-45
BQJ-55
BQJ-75
BQJ-80
BQJ-95
BQJ-115
BQJ-125
BQJ-135		 14
22
28
45
55
75
80
95
115
125
135		 28
40
58
80
110
142
155
180
230
250
270		 14
22
28
45
55
75		 75/5
150/5
115 300/5
135
160		 400/5

电器原理图 Electric scheme

外形尺寸 Outline dimensions

型号Type A B C
BQJ-14~45
BQJ-55~75
BQJ-95~135		 700
1330
1450		 350
560
630		 300
410
440

 

 

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