*Characteristics
Stainless steel anti-loose screws
1.6mm galvanized steel enclosure, gray powder coated, dustproof, moisture-proof
20 watt speaker amplifier
Power LED light
Available for 110VAC or 220VAC
Adjustable speaker volume from the front panel
Mute setting of speaker
With power supply and speaker amplifier
Address setting, automatically adjusting speaker volume by measuring ambient noise
Two DI & DO for control
*Certificate
UL/cUL listed, Class l, Division 2, Class II, Division 2, Class III, NEMA 12
CNS certified, Ex nC IIC T6 Gc X / Ex tD A22 T85℃ X, IP54
CQST certified, Ex ib nA IIC T6 Gc / Ex tD ibD A22 IP54 T80℃