产品名称: BBJ系列防爆声光报警器（ⅡB） 适用范围 Application 1区、2区危险场所。 ⅡA、ⅡB类爆炸性气体环境。 Can be used in Zone 1 and Zone 2 dangerous places. Can be used in IIA、IIB、group explosive atmosphere. 型号含义 Model implication 产品特点 Features 铸铝合金壳体,表面喷塑。 The shell is of diecasted A1-alloy with plastic-sprayed surface. 钢化玻璃罩，具有较强的抗冲击能力，并有红，黄， The enclosure is made of toughened glass with well impulsion-withs- 蓝等我咱颜色可供选择。 tanding,and its color can be freely selectde. 钢管或电缆布线均可。 Suitable for steel pipe and cable wiring. 符合GB3836-2000，IEC60079标准要求。 Suitable for GB3836-2000,IEC60079 standard request 主要技术参数 Main technical parameters 额定电压(v) 闪光次数 声音强度(dB) 防爆标志 防护等级 电缆外径(￠,mm) 进线口螺纹(G") Rated voltage Sparkling frequency Sound strength Ex-mark Protection Cable‘s outside Inlet‘s thread grade diameter -------------------------------------------------------------------------------- 220V/50Hz 150/min ≥50 Exd Ⅱ BT4 IP54 10～14 G3/4 外形及安装举例 Outline example 座式(z) Socket 吊杆式(g) Pendant