BQXB type explosion-proof frequency converter (ⅡB)

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BQXB type explosion-proof frequency converter (ⅡB)

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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.Enclosure is made of aluminium alloy or welded with steel
plate, surface is sprayed with plastic;
2.Built-in AC contactor, thermal relay, circuit-breaker, time
delay relay, cur r e n t I n s t r ument 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
5.Wiring with steel tube or cable.

产品特点 Features

1.铝合金外壳或钢板焊接，表面喷塑；
2.内装富士、西门子或施耐德等公司生产的变频器、断路器、信号灯等元件
3.它主要通过改变其输出频率来调节普通三相异步电动机的转速，以达到生产工艺要求或实现节电的目的，节电率可达30%～60%，也可作为电动机软起动控制器，也可通过传感器、变送器等控制电路组成闭环调速系统，安装操作简单，功率因数恒定，同时具备故障显示等各种功能；
4.具有过电流、短路、过电压、欠压、断相等多种保护，可数字显示频率、转速以及负载率或电流等，可手动调节频率，可
设定转速按时间变化的工艺曲线，也可由DCS系统给出信号来控制其频率；
5.钢管或电缆布线。
1.Enclosure is cast with aluminium alloy, or welded by steel plate, surface is sprayed with plastic, fine outline;
2.Built-in frequency converter, circuit breakers, signal lamps etc of FWI ro sehneider;
3.It can adjust the rotate apeed of three phase asynchronism motor by changing output frequency, percent of energy servingcan reach 30%-60%, it also can be used as motor soft start controller, the transducer, transmission are composed a sealingtiming system, simple digital operation, power factor is invariable and with many functions, like error displaying;
4.With protection of over current, short circuit, over voltage, short voltage and loss phase, and adjust the frequency, bymanual the craftwork curve can be set according to rotating speed changing with time transfering, the DCS system also cansend out signal to control the frequecy;
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")	进线口螺纹 Inlet thread (G")
ExdⅡBT4 等效于 Ⅱ2 G ExdⅡBT4(欧标) ExdeⅡBT4 等效于 Ⅱ2 G ExdeⅡBT4(欧标) DIP A20 TA,T4 等效于 Ⅱ 1D Ex tD A20 T4(欧标)	WF1	IP54	G1"~G2"	φ14~φ38

型号 Type	电机功率（KW） Motor Power	输入电压(V) Input voltage	变频器功率(KW) Power of transducer	变频器瞬间电流上限(A) Max. instantaneous current
BQXB-1.5 BQXB-2.2 BQXB-3 BQXB-4 BQXB-5.5 BQXB-7.5 BQXB-11 BQXB-15 BQXB-18.5 BQXB-22	1.5 2.2 3 4 5.5 7.5 11 15 18.5 22	380	1.5 2.2 3 4 5.5 7.5 11 15 18.5 22	3 4.5 6 9.5 12 16 22 30 37 44

功率大于22KW的，若需订购，请与我公司的技术人员联系。Please contact with our technicians, if the power you ordered is over 22kw.

系统图 Syestem drawing

外形尺寸 Outline dimensions

型号Type	A	B	C
BQXB-13~30 BQXB-37~75 BQXB-95~135	700 1330 1450	350 560 630	300 410 440

BQXB防爆软起动器外型尺寸仅供参考，具体尺寸按实际功率来
确定。
BQXB proof soft starter Dimensions are for reference only to the
specific size of the actual power OK.

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