BLL56防爆照明灯

防爆标志Ex-marking:Ex d ⅡC T4/DIP A20 TA,T4
外壳材质:无铜铝合金压铸,抛丸,聚脂静电喷塑
Enclosure: Die-casted with aluminum alloy without copper, shot blasting,
Enclosure: electrostatic polyester-sprayed