BLL56 Explosion proof lighting Explosion-proof illumination lamp Hazardous area:explosive gas atmosphere or combustible dust atmosphere or simultaneously Zone1,Zone2,Zone20,Zone21,Zone22 Group of gas or vapoour:II A ,II B ,II C Temprature class:T1 T4 Application:indoor,outdoor Enclosure:Die-casted with aluminum alloy without copper,shot blasting,electrostatic polyester- sprayed Exposed fastener:high quality stainless steel Display:impact-resistant and hermally stable toughened glass Component:lamp holder typed E40&E27 Structure:sealing gasket made of acid-resistant silicon rubber Reflector:high purity aluminum,high reflectivity Installation:ceiling mounting,pole mounting,wallmounting,platformmounting ,road lamp mounting Conformity:GB3836.1,GB3836.2,GB12476.1,IEC60079-0,IEC60079-1,IEC61241-1-1 Ex-marking:Ex d II C T4/DIP A20 TA T4 Degree of protection:IP66 Rated voltage:AC220V/AC230V Light source power:28W 300W