產(chǎn)品名稱: BBJ系列防爆聲光報(bào)警器（ⅡB） 適用范圍 Application 1區(qū)、2區(qū)危險(xiǎn)場(chǎng)所。 ⅡA、ⅡB類爆炸性氣體環(huán)境。 Can be used in Zone 1 and Zone 2 dangerous places. Can be used in IIA、IIB、group explosive atmosphere. 型號(hào)含義 Model implication 產(chǎn)品特點(diǎn) 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(qiáng)的抗沖擊能力，并有紅，黃， The enclosure is made of toughened glass with well impulsion-withs- 藍(lán)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(biāo)準(zhǔn)要求。 Suitable for GB3836-2000,IEC60079 standard request 主要技術(shù)參數(shù) Main technical parameters 額定電壓(v) 閃光次數(shù) 聲音強(qiáng)度(dB) 防爆標(biāo)志 防護(hù)等級(jí) 電纜外徑(￠,mm) 進(jìn)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