Product Selection Guide

3 4 2 Models AD-26, AD-27, AD-56 and AD-57 Atkinson Dynamics Wall Mount Intercoms 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. F E A T U R E S • Available in 12VDC, 24VDC, 120VAC, or 240VAC 50/60Hz • Heavy-duty industrial intercom for indoor/outdoor application • Single-channel, two-way communications • Integrated volume control and Talk/Listen switch • Balanced line output • 25 watt speaker • Cast aluminum housing with rugged powder coat finish • Conformal coated PCB • Type 4X enclosure • Marine Listed • CSA Certified • UL and cUL Listed M O D E L V O L T A G E O P E R A T I N G C U R R E N T S T A N D B Y C U R R E N T F R E Q U E N C Y R E S P O N S E AD-26 12VDC 1.47 A 100 mA 320Hz - 8.0Khz AD-27 120VAC 50/60Hz 240 mA 83 mA 320Hz - 8.0Khz AD-56 24VDC 1.65 A 100 mA 320Hz - 8.0Khz AD-57 240VAC 50/60Hz 127 mA 83 mA 320Hz - 8.0Khz