... 1,GB 3836.2,GB 3836.3,GB 3836.9,IEC60079-0,IEC60079-1,IEC 60079-7,IEC 60079 ... 1, Zone 2 Designed for Groups IIA,IIB,IIC Temperature classes T1~T4 Designed for petroleum exploitation, refinery , chemistry ... 1,GB 3836.2,GB 3836.3,GB 3836.9,IEC60079-0,IEC60079-1,IEC 60079-7,IEC ... Rated power: 50W, 70W, 100W Power factor:0.9 Color temperature:5500K Ingress protection:IP66 Corrosion resistance:WF1 Cable entry ...