| 适用范围Application | | | 1区、2区危场所。 IIA、IIB、IIC类爆竹性气体环境. Can be used in Zone 1 and Zone 2one 2 dangerous places. Can be used in IIA,IIB 、IICgroup explosive atmosphere. 型号含义Model implication | | | 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. | | | 主要技术参数 Main technical parameters | | 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 | 电缆外径(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 |
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