... safety type, enclosure is made of polyamide plas eJX-SA(B) Series explosion-proof junction board/connection boxApplications1. Hazardous: division 1 ... ,21,22;2. Explosive gas or steam atmosphere: class A,B,C or flammable dust atmospheres;3. Serious erosive gas environment ... press line type terminals, reliable connection and contact;3. Type B: built in connection terminals;4. Wiring with cable.