1. Designed for explosive atmosphere Zone 1, Zone 2.
2. Designed for Groups IIA,IIB; Temperature classes T1~T6
3. Designed for sites with explosive atmosphere such as petroleum exploitation, refinery, storage, chemistry, medicine, military and military facilities etc.
| Model | Rated volume (kVA) | Primary voltage | Secondary voltage (V) | Cable entries spec. | Cable’s outer dia. | Explosion protection |
| BBK-0.5 | 0.5 | AC220V AC380V AC440V AC660V | AC6/12/24/36/110/127V | 2-G3/4” G1” | Φ9~Φ14 Φ11~Φ18 | Exd IIBT6 |
| BBK-1 | 1 | |||||
| BBK-3 | 3 | |||||
| BBK-6 | 6 | |||||
| BBK-10 | 10 |