KTH18 Explosion-proof BEN AN Automatic mine telephone

BEN AN Automatic mine telephone,Automatic mine telephone,Explosion-proof BEN AN Automatic mine telepKTH18 Explosion-proof BEN AN Automatic mine telephonechinacoal07 Product Introductionon1) KTH 18 intrinsically safe automatic telephone is not only used underground ,but also hard places with high temperature, high moisture, strong pollution;2) The material of cover is static-free, with features of waterproof, dustproof, anticorrosion and the protection degree IP54;3)