1. Implementation of GB3836.1 and GB3836.2 Explosive Environment Parts 1 to 2 (equivalent to IEC60079 and EN series standards). MT 221-2005 Explosion-proof luminaires for coal mines

2. Explosion-proof logo: Ex dI.Mb.

3. Housing protection rating: IP65.

4. Anticorrosion rating: WF2.

5. Light source: polarless lamp 40W or 50W.

6. Rated operating voltage: 127V 50Hz.

7. Introduction: G3/4″

8. Cable outer diameter: s11.5 to s13.5mm.