防爆标志灯：
适用范围Application
20区、21区、22区危场所。
含有爆炸性或可燃性粉尘环境.
Can be used in Zone 20 zone 2Diecasted aluminiumalloy shell with plastic-sprayed surface.
The t1 and Zone 22 dangerous places.
Can be used in explosive or flammable dust atmosphere.
型号含义Model implication
