Product Selection Guide

3 3 6 Model 310-MV-MNC AudioMaster ® Two-way Intercom with Noise Canceling Microphone Federal Signal’s AudioMaster ® 310-MV-MNC is a two-way industrial intercom that provides reliable communications and superior sound quality. The AudioMaster 310-MV-MNC’s standard features include volume control, call button, balanced line output, listen/talk switch, remote device activation, and the ability to power another intercom at 24VDC. This heavy duty intercom will operate from -31°F to 150°F (-35°C to 66°C). The remote device activation feature allows you to activate an auxiliary signal such as a horn or light. When the ambient noise level is too high for the standard 310-MV integrated microphone, the 310-MV-MNC noise canceling unit is used to improve transmission quality. The 310-MV-MNC is ideal for use at oil refineries, petrochemical plants, offshore platforms, pulp and paper mills, water treatment facilities, airports, shipyards or anywhere reliable two-way communication is important for safe, efficient operation. F E A T U R E S • Multi-voltage design accepts 24VDC, 120VAC and 240VAC • Heavy-duty industrial intercom • Noise canceling microphone • Call button • Talk / Listen switch • Volume control • Auxiliary remote signal contact • Balanced line output • Conformal coated PCB • Type 3R enclosure • Marine Listed • CSA Certified • UL 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 ( - 6 d B A ) I N P U T I M P E D A N C E 310-MV-MNC 24VDC 465 mA 62 mA 150Hz-12KHz 3400 Ohms 120VAC 50/60Hz 163 mA 70 mA 150Hz-12KHz 3400 Ohms 240VAC 50/60Hz 82 mA 35 mA 150Hz-12KHz 3400 Ohms