Designed for single-channel, two-way indoor and outdoor communication applications, the Hazardous Location Wall-Mount Intercoms are UL and cUL listed Features include integrated volume control, Talk/Listen switch, corrosion resistant cast aluminum housing with rugged powder coat finish (Type 4X, IP65 enclosure), reliable 25-watt speaker and balanced line output. These heavy-duty units are UL and cUL Listed, CSA Certified and Marine rated and are designed for multivoltage operation: 24VDC, 120VAC and 240 VAC, 50/60Hz.


Watts 25
Operating Temperature Range -31˚F to 150˚F (-50˚C to 66˚C)
Net Weight 9.25 lbs (4.20 kg)
Ship Weight 10.7 lbs (4.85 kg)
Height 9.880 in
Width 6.500 in
Depth 5.030 in

Ordering Information

Model Types
Model Description UPC
AD-28X-MV Intercom, 24VDC-120VAC, T/L switch, volume control, hazardous location 782979213949
Replacement Parts
Description Part Number UPC
PCBA, 310X-MV K2001915C-02 782979129080
Connector, 10 Position K140A326A-01 782979122579
Kit, Potentiometer, 10K K8590237A 782979120612
Switch, Toggle K122A298A 782979102540
Kit, Switch, Push Button K8590241A 782979120650
Resistor, 1K, 1W, 1%, 310-MV K101216A 782979113065
Gasket, Cover, 310X-MV K8590013B-01 782979129677