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


Product Literature
Product Manuals

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