適用范圍：
1. 可燃性粉塵危險場所：20區、21區、22區；
2. 導電性或非導電性粉塵環境。
1. For the dangerous sites with explosive dust mixture:
20 division, 21 division, 22 division;
2. Electric of non-electric dust environmet
產品特點：
3. 可根據用戶要求特制。
1. Diecasted of Al-alloy shell with moule-shaped outline and plastic-sprayed
surface;
2. Steelpipe and cable wiring;
3. Can be customized according to users" requirements.
