This explosion-proof electrical panel combines flameproof (Ex d) and increased safety (Ex e) protection, ensuring safe operation in explosive gas and dust atmospheres. The enclosure supports flexible internal configurations, including circuit breakers, contactors, relays, and. Suitable for explosive dust environments in Zone 21 and Zone 22 locations; 2. Suitable for temperature groups T1~T6; 4. Suitable for explosive dust environments such as oil extraction, refining, chemical, pharmaceutical. The dust-proof explosion-proof distribution box is a distribution box used in explosion-proof dust environments in zones 20, 21, and 22. It is mostly used in coal mine-related situations and has high dust-proof and waterproof performance. APPLIANCE GROUP CHINAExplosion proof rating: Ex db eb llB T4/T6 Gb; Ex db eb IIC T4/T6 Gb;. BXM (D)53 Series Explosion Proof.