- Designed for explosive atmospheres Zone 1 and Zone 2;
- Designed for combustible dust Zone 21 and Zone 22;
- Designed for IIA, IIB and IIC groups explosive atmospheres;
- Designed for temperature classifications T1~T6/T4;
- Designed for the damp sites with high protection level demand;
- Designed for explosive hazardous locations such as oil refinery, storage, chemical, pharmaceuticals, military industries, etc.
BYD 703 –  x   
 – J: with emergency unit
 – Mounting types (x: ceiling)
 – Each tube power
 – Tube number
703 – Design No.
BYD – Explosion proof corrosion resistance polyester fluorescent light fittings