產品名稱: BBJ系列防爆聲光報警器（ⅡB）
 
 適用范圍 Application  
1區、2區危險場所。                                        
ⅡA、ⅡB類爆炸性氣體環境。
Can be used in Zone 1 and Zone 2 dangerous places.     
Can be used in IIA、IIB、group explosive atmosphere.
 型號含義 Model implication
 

產品特點 Features
鑄鋁合金殼體,表面噴塑。                                                           The shell is of diecasted A1-alloy with plastic-sprayed surface.
鋼化玻璃罩，具有較強的抗沖擊能力，并有紅，黃，         The enclosure is made of toughened glass with well impulsion-withs-
藍等我咱顏色可供選擇。                                                                   tanding,and its color can be freely selectde.
鋼管或電纜布線均可。                                                                  Suitable for steel pipe and cable wiring.
符合GB3836-2000，IEC60079標準要求。                                    Suitable for GB3836-2000,IEC60079 standard request
 
 主要技術參數 Main technical parameters
        額定電壓（v）                閃光次數                聲音強度（dB）      防爆標志           防護等級           電纜外徑（￠,mm）         進線口螺紋（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                    
                        
 外形及安裝舉例 Outline example
 
                                                      座式（z） Socket                            吊桿式（g） Pendant