FDM-1 is a standard-sized dual monitor module used to monitor and supervise two independent two-wire Style B (Class B) dry-contact initiating device circuits (IDCs) at two separate, consecutive addresses in intelligent, two-wire systems.
The SpectrAlert Advance series offers the most versatile and easy-to-use line of low frequency sounder and low frequency sounder strobes in the industry.
Dimension 348mmX268mmX1050mm | Power Supply 220VAC 50Hz | Power Consumption 90 watts | Max. Straight Arm : 3 Meter / 4 Meter / 6 Meter | Operation Life <=100 million