HDB-2型防爆电话机(本安型IIC级)
HDB-2防爆电话机
 防爆标志：ExiaIICT6
 防爆证号：CE092010
 适用范围产品功能
●性气体混合物危险场所：0区、1区、2区该话机为本质安全型，具有普通电话机功能外，还具有全电
●性气体混合物：IIA、IIB、IIC子无触点感应功能，电路采用特种技术，强震铃，功耗小、防爆
●温度组别：T1-T6等级高、防腐性能好。话机与关联设备HOB-1型防爆耦合器配套，
●户内、户外与交换机连接，组成防爆电话通讯系统。
Application Product function
●For the dangerous sites with explosive air mixture:0pision、1pision、2pision.
●For explosive air mixture:IIA、IIB、IIC
●Temperature classification:T1-T6
●Indoor、outdoor The explosion-proof type of the telephone is increase safety.The telephone has the function of normal telephone and has the function of electronics and no contact of inducting.The circuit use special technology.The telephone is used with the explosion-proof coupling of HOB-1 and connect to program controlled switch to form explosion-proof communication system.
主要技术参数 
 型号
 振铃电压
 振铃电流
 铃声防爆标志
 防护等级
 外形尺寸
 关联设备
 HDB-2≤48V≤25mA≥93dB ExiaIICT6 IP65 410×260×185mmHOB-1型防爆耦合器