CBDL防爆电铃（ⅡB、ⅡC）

适用范围Application

• 1区、2区危场所。
• IIA、IIB、IIC类***性气体环境.
• Can be used in Zone 1 and Zone 2one 2 dangerous places.
• Can be used in IIA,IIB 、IICgroup explosive atmosphere.

产品特点 Features

• 铸铝合金外壳,表面喷塑.
  圆筒隔爆面,防爆性能好,安全可靠.
  铃碗表面镀铍青铜,打击时不会引起火华.
  符合GB3836-2000,IEC60079 标准要求.
  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.

  使用类别Usage	额定电压（V）Rated voltage	功率（W）Power	音响强度（dB)Sornd level	铃盖直径Bell cover	防爆标志Ex-mark	防护等级Protection grade	进线口螺纹（G")Protection grade
  AC AC	36、110、220、220 24、36、110、220	≤20	≥75(R=2m)	125	Exd II BT6 *Exd II BT6	IP54	3/4