产品名称:  BSZD81防爆航空障碍灯（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                                             外形及安装举例 Outline and installing dimension ◆铸铝合金外壳,表面静电喷塑。 ◆铸造成型,结构紧凑,外形美观。 ◆在一个灯泡用坏后,自动切换到下一个。 ◆采用*化控制电路,*可靠的电器集成元件。    根据环境亮度自动启闭,可靠性强即在夜晚和多雾    时自动开启,白天自动关闭。 ◆符合GB3836-2000，IEC60079标准要求。 ■Diecasted aluminium alloty shell with plastic-sprayed surface. ■Pressure-casted formation,compact structrue and aesthetic appearance. ■Suitable for steel pipe and cable wiring. ■After one bulb failed,another one will auto take place the previous. ■Using optmized control circuit and reliable integral elements,it can be selt-on      or-off with the ambient temperature,high reliability,l.e.it can be on at      nights and in fog,and be offin days automatically. ■Suitable for GB3836-2000,IEC60079 standard request.   主要技术参数 Main technical parameters                                 防爆标志                             防护等级                           电缆外径（￠,mm）                         进线口螺纹（G"）                                                Ex-mark                                Protection                           Cable's outside                              Inlet's thread                                                                                                  grade                                    diameter   --------------------------------------------------------------------------------                                          Exd Ⅱ BT4                              IP65                                        10～14                                                     3/4                                    配用光源 Supplied with lamps                                     光源类型                    额定电压（v）                          额定功率（w）                               灯座代号                        重量                                        Lamp type                  Rated voltage           Cable's outside diameter                        Lamp socket                   Mass --------------------------------------------------------------------------------                                      白炽灯                              220V/50Hz                  40、60、１００　　　　　　　　Ｅ２７　　　　　　１３                                         Rated voltage                                                                           
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