HWBK-3A type Explosion Amplify Intercom phone without host
Working voltage: AC110 V ~ 220V 50Hz
Power consumption: 50W
Working frequency: 300 ~ 3400Hz
Output power: ≥ 25W
Dense degree: ≤1% Imported thread thread: G3 / 4 "
Cable outer diameter: φ10 ~ φ16mm
Explosion-proof mark:Exd ibⅡC T6 Gb/Ex ibD tD A21 IP68 T80℃
Protective level: IP68
Anti-corrosion level: WF2