Application scope of BLK52 series explosion-proof circuit breaker (IIB, IIC):
1. Zone 1 and Zone 2 hazardous areas.
2. Class IIA, IIB, and IIC explosive gas environments.
*Please specify the requirement for Class IIC.  

Product Features:
1. Cast aluminum alloy shell, surface sprayed with plastic.
2. Equipped with high breaking miniature circuit breakers.
3. It has overload and short circuit protection functions, and can also be equipped with accessories such as leakage protection according to requirements.
4. Both steel pipes and cables can be used for wiring.


BLK52 series explosion-proof circuit breaker (IIB, IIC) model meaning:



Main technical parameters:

BLK52 series explosion-proof circuit breaker (Ⅱ B, Ⅱ C)