1. Hazardous areas for explosive gas mixtures: Zone 1, Zone 2.
2. Gas mixtures: ⅡA, ⅡB, ⅡC.
3. Combustible dust environments: Zone 20, Zone 21, Zone 22
4. Temperature class: T1~T6.
5. Explosion-proof mark: ExdeⅡBT6, *ExdeⅡCT6.
6. Specific application places such as indoor and outdoor workplaces.


