Applications:
Explosive gas atmosphere Zone 1 and Zone 2
Combustible dust areas Zone 21 and Zone 22
Explosive gas mixture classification IIA, IIB, IIC
Explosive gas ignition temperature group T1-T6
Technician specifications
Ex rating:Exe IIC Gb、Extd A21 IP66
Protection grade:IP65、IP66*
Erosion-proof class : WF1
structural type：A、B、C、D、E、F、G、H.
Executive standard:GB3836.1, GB3836.3, GB12476.1, IEC60079-0,IEC60079-7, IEC61241-1, EN60079-0, EN60079-7,EN61241-1
