适用范围Application 20区、21区、22区危场所。 适用于可燃性粉尘环境。 Can be used in Zone 20 zone 21 and Zone 22 dangerous places. Can be used in flammable dust atmosphere. 型号含义Model implication 产品特点 Features 本产品采用平面式尘密结构,具有很强的防尘**功能。 铸铝合金外壳,内装高分断小型断路器或塑壳式断路器。 本产品采用模块化结构,各种回路可以自由选择组合。 具有过载短路保护功能,可根据要求增加漏电保护等功能。 钢管或电缆布线均可。 符合GB12476,IEC61241标准要求。 The product of horizontal structure is water-proofing and dust-prodfing. The shell is of diecasted AI-alloy,inside is installed MCB or MCCB. With overload,short-circuit protection,able to add electrical leakage protection as requird. Able to produce special type. Suitable for steel pipe and cable wiring. Suitable for GB12476,IEC61241 standard reques