BDZ52 series explosion-proof circuit breaker (IIB, IIC level) applicable scope:

1. Hazardous areas with explosive gas mixtures: Zone 1, Zone 2.
2. Explosive gas mixtures IIA, IIB, and IIC.
3. Temperature group: T1 to T6.
4. Explosion proof signs: Exd Ⅱ BT6, Exde Ⅱ BT5, * Exd Ⅱ CT5.  

Product Features:
1. Cast aluminum alloy shell, surface sprayed with plastic.
2. Equipped with C45N high breaking miniature circuit breaker or molded case circuit breaker.
3. It has overload and short circuit protection functions, and can be equipped with leakage protection function.
4. Both steel pipes and cables can be used for wiring.

BDZ52 series explosion-proof circuit breaker (IIB, IIC level) model meaning: