Explosion-proof design: Certified to Exd BT6 CT4 standards for safe operation in hazardous areas, including IIC and IIB gas groups. Versatile functionality: This junction unit can serve as a junction box, distribution box, or instrument socket box for different applications. The explosion-protected junction and pulling boxes, available in different methods of protection and materials, can also be used with terminals, as a command and control units and as interface units depending on the models. Shenhai Explosion-proof Technology Co., Ltd is a national high-tech enterprise founded in 2001, which is located in Yueqing, Zhejiang, the. If you're sourcing reliable explosion-proof solutions for your facility, our latest product line checks every box. All products are certified Exd BT6 CT4, supporting. Explosion-proof circuit breaker (MCB) box Manufacturers ● It is energy-saving and environmental protection which the power consumption is only 19% of the same brightness of incandescent lamp. ● It is long life and maintenance-free which the service life is up to 50000 hours and the maintenance-free. Tips for reducing the shipping cost 1)Get rid of the original packing, for example, if you buy a pair of shoes, you could get rid of the shoebox which will save a lot for volumetric weight. 2)The shipping cost is normally charged by every 0.