1. For the dangerous sites with explosive air mixture: 1 division、2 division; 2. Flammable gas, steam class：ⅡA、ⅡB; 3. Temperatures classification：T1~T4; 4. Indoor and outdoor(IP54).
1. 鑄鋁合金外殼，表面噴塑； 2. 適用于交流50Hz、380V，電流60A以下電路中作電源開 關，可控制小容量電動機之用； 3. 鋼管或電纜布線。 1. Diecasted Al-alloy shell with moulded-shapement and plastic-sprayed surface; 2. Used as switch in AC 50Hz、380V, under 60A circuit for controlling small capacity motor; 3. Steelpipe and cable wiring.
