Explosion isolation sealed box *Specialized Factory *HIgh quality,Excellent price *Various structures,easy be selected Explosion isolation sealed boxApplication:1. Can be used in hazardous areas: Zone 1 and Zone 2.2. Can be used in explosive gas atmospheres of category IIA, IIB and IIC.Main technical parameter:1. Implementing the standard: GB3836.1-2000, GB3836.2-2000, IEC600792. Ex-mark: Exd II3 ...