タイトルまたは説明

Use environment:
1. This product can be widely used in coal mines, gold mines, silver mines, copper mines, iron mines, lead-zinc mines and other underground mines.
2. This product can be used in places with explosion-proof requirements, such as mine tunnels, mine working faces, chemical plants, oil refineries, etc. The explosion-proof grade of this product is the highest explosion-proof grade.
3. This product can operate normally in places with explosion hazard such as gas, coal dust, dust, high-explosive gas, etc.
4. It can operate normally in the ambient temperature range of **0℃～*0℃.
5. It can operate normally when the relative humidity of the air is not more than *5% (at *5℃).
6. This product can withstand atmospheric pressure: *0kPa～**0kPa.
7. Bearing vibration: acceleration **0m/s; bearing shock: peak acceleration **0m/s.
8. The pollution prevention grade of this product is level 3, and the installation category is level III.