6位防水面板：防水面板可以观察并接触安装在塑料或金属密封表面上。在箱体被锁紧的情况下，仍可进行操作。这些透视窗适用于防水、防尘、防腐蚀等特殊场合。 执行标准：IEC60529 IP67 EN60309 6WAY WATERPROOF PANEL Waterproof Panel can observe and also can be touched and installed on the airproof surface of the plastic or metal. On the situation that the body of the trunk was belocked, it also can be worked.. These Clairvoyant Window apply to some special occasion which need to be warterproof, dustproof and lightproof. Executing Standard: IEC60529 IP67 EN60309
