BBJ explosion sound and light alarm

BBJ explosion sound and light alarms, explosion sound and light alarm price, factory direct explosion sound and light alarm BBJ series of explosion sound and light alarm Scope: 1 for 1 and Zone 2 dangerous places. 2. For ⅡA, ⅡB class, temperature class T1 ~ T4 gas environment of. Technical Data: Standard: GB 3836.1-2000, GB 3836.2-2000, IEC60079 proof mark: ExdⅡBT4 Rated voltage: AC220V / 50Hz Protection class: IP54 Corrosion grade: WF 1 warning light: 5W rotating warning lights flash frequency: 150 / min Sound intensity: 50db Inlet Specifications: G3 / 4 "cable specifications: φ9mm ~ φ14mm Features:? shell with aluminum die-casting, surface electrostatic spray; colored glass shade, stainless steel exposed fasteners, protective nets After dip galvanized surface; steel pipe or cable wiring related products: Explosion proof lamp LED lights, explosion proof fluorescent lights, explosion proof metal halide lamps buy preferred "Yao mine explosion."