FBZA8030 粉尘防爆控制按钮(DIP)
FBZA8030 Dust Explosion-Proof Circline Button (DIP)
适用范围：
1. 可燃性粉尘危险场所：20区、21区、22区；
2. 导电性或非导电性粉尘环境。
1. For the dangerous sites with explosive dust mixture:
20 division, 21 division, 22 division;
2. Electric of non-electric dust environmet.