The AD-57A is a wall mount intercom designed for single-channel, two-way indoor and outdoor communication, operating on 240 Vac 50/60 Hz with a 25-watt speaker, integrated volume control, and a TALK/LISTEN switch. It features a corrosion-resistant cast aluminum housing with a rugged powder coat finish, a Type 4X enclosure, conformal coated PCB, and balanced line output. The unit is UL and cUL listed, CSA certified, and marine rated. Dimensions are 251.0 mm height, 165.1 mm width, and 127.8 mm depth, with a net weight of 4.08 kg and a shipping weight of 4.85 kg. Operating temperature ranges from -35°C to 66°C. The 'A' suffix indicates an optional call button feature that sends a call tone to other intercoms on the same audio line.
Features
Designed for single-channel, two-way indoor and outdoor communication applications, Wall-Mount Intercoms feature integrated volume control, TALK/LISTEN switch, corrosion-resistant cast aluminum housing with rugged powder coat finish (Type 4X enclosure), reliable 25-watt speaker, and balanced line output. These heavy-duty units are UL and cUL listed, CSA Certified and Marine rated; and available in 12VDC, 24VDC, 120VAC, or 240VAC 50/60Hz models.
| Federal Signal Corporation - Industrial Signaling and Systems | |
|---|---|
| Product Category | Intercoms |
| Product Number | AD-57A |
| Product Name | AD-57 Atkinson Dynamics 240VAC Wall Mount Intercoms |
