钢,为防掉式设计维修方便
5.壳体和盖的接合面采用迷宫式结构,具有较好的防水 防尘能力.
6.符合GB3836-2000,IEC60079标准要求
■Features
1.Safety reinforced shell inside are mounted Explosion-separate type elemets;
2.The shell mould-shaped by glass fiber reinforced and unsturated ployster resin has elegant shape
excellent performance and functions of corrosion-proofing electrostatic-insisting impact-withstanding
and perfact thermal relibility etc
3.The explosion-separate type control switch with