Explosion-proof communication system- explosion-proof telephone

Chinacoal07 Explosion-proof communication system- explosion-proof telephone,explosion-proof telephoneExplosion-proof communication system- explosion-proof telephoneProduct IntroductionApplication:1. For the dangerous sites with explosive air mixture:0division,1division,2division.2. For explosive air mixture:IIA,IIB,IIC3. Temperature classification:T1-T64. Indoor,outdoorProduct function:The explosion-proof type of the telephone is increase safety.The telephone has the function