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HDB-1 Explosion proof safety mining telephone :
Application
For the dangerous sites with explosive air mixture:0division,1division,2division.
For explosive air mixture:IIA,IIB,IIC
Temperature classification:T1-T6
Indoor,outdoor
Product function
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.
• Working pressure:AC220V(AC110V,DC48V)
• Proof-explosive grade:Exd[ib]ibIICT6
• Protect grade:IP54
• Proof-Voice: 90dB
• Instance:≤12km
• Out size:220×150×75mm
• Install size:200×370mm-4×M8 Hang
• Working temperature:temp-45°C~85°C,Moist≤95%(25°C),Altitudes≤5km
• Material: A3/ZL104, ABS
• Weight :3.5kg
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