BAL防爆電鈴

適用范圍Application 
1區(qū)、2區(qū)危場所。
IIA、IIB、IIC類爆竹性氣體環(huán)境.
Can be used in Zone 1 and Zone 2one 2 dangerous places.
Can be used in IIA,IIB 、IICgroup explosive atmosphere.
型號含義Model implication
 
BAL防爆電鈴特點 Features  
鑄鋁合金外殼,表面噴塑. 圓筒隔爆面,防爆性能好,安全可靠. 鈴?fù)氡砻驽冣斍嚆~,打擊時不會引起火華.
符合GB3836-2000,IEC60079 標(biāo)準(zhǔn)要求.
The shell is of diecasted Al-alloy with plastic-sprayed surface.
Cylinder enclosure can be well explosion-proof,safe and secure.
The surface of bell is brass plated,which won’t produce sparkle when being hitten.
Suitable for GB3836-2000,IEC60079 standard request.

 
主要技術(shù)參數(shù) Main technical parameters
 
使用類別Usage
 額定電壓（V）Rated voltage
 功率（W）Power 音響強(qiáng)度（dB）Sornd level  鈴蓋直徑Bell cover  防爆標(biāo)志Ex-mark 防護(hù)等級Protection grade  進(jìn)線口螺紋（G"）Protection
grade  電纜外徑（Φmm））Cable’s outerdiameter
AC
AC  36、110、220、220
24、36、110、220 ≤20  ≥75（R=2m） 125 Exd II BT6
*Exd II BT6  IP54 3/4 8-14