IP66 对应于标准 BS EN 60529:1992,NEMA 4 对应于标准 NEMA 250-2003
危险区域认证
ATEX: II 1 G Ex ia IIC T4 Ga (–20°C ~ +70°C) IECEx: Ex ia IIC T4 Ga (–20°C to +70°C) TC TR: 0Ex ia IIC T4 Ga (–20°C to +70°C) FM: Class I, Division 1, Groups A B C D, T4 cCSAus: Class I, Division 1, Groups A B C D, T4