Shenhai-iVakadinadina ni Kacabote
The IIB explosion-proof classification inherently exceeds IIA, and the T4 temperature class provides lower and safer temperatures than T1. Thus, BT4 has a superior explosion-proof rating.
| III | C | T 135℃ | Db | IP65 |
|---|---|---|---|---|
| III Surface dust | T1 450℃ | Ma | IP65 | |
| T2 300℃ | Mb | |||
| T3 200℃ | ||||
| A Flammable flying flocs | Da | |||
| T4 135℃ | ||||
| Db | ||||
| B Non conductive dust | T2 100℃ | Dc | ||
| A Conductive dust | T6 85℃ |
Each explosion-proof class targets specific safety goals. Detailed information can be found by searching on Shenhai Explosion Proof.