The BCJ proof emergency lights explosion-proof stud emergency lights BCJ proof emergency light application environment: suitable for Zone 1 and Zone 2 hazardous locations; apply to the IIA of explosive gas environment of IIB, IIC, temperature class T1 ~ T5: Features: 1. shell with aluminum alloy die casting, surface high-pressure electrostatic spray; tempered glass lampshade stainless steel exposed fasteners, protective nets after surface dip galvanized; 3. lighting Emergency dual-purpose lamp normal lighting and emergency lighting of a lamp body, independent of the light source, when the external power supply is cut off, automatically switches to the state of emergency; 4. built maintenance-free nickel-cadmium battery pack under normal power supply is automatically charged, the accident power failure or blackout emergency lights turn on automatically; 5. pipe or cable wiring. The main technical parameters: Rated voltage: AC220V/50Hz Protection Level: IP54 IP65 Protection category: WF1 introduction of population size: G3 / 4 cable specifications: of 9mm-14mm Ex-mark: Exd II BT4 Exde the the II CT4 Exde II BT6 BCJ proof emergency special lamp explosion-proof two-headed emergency lights