IEC 60529-2001 IP X4 Degrees of protection provided by enclosure (IP code)
IEC 60529-2001 IP X4 外壳防护等级(IP代码)
测试条件:Φ0.5,121 个孔
IEC 60529-2001 IP X4 Degrees of protection provided by enclosure (IP code)
IEC 60529-2001 IP X4 外壳防护等级(IP代码)
测试条件:Φ0.5,121 个孔