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 addres
Work Temperature -20'c to 50'c | Ralated Humidity <=90% | Protection Grade B | Remote control Distance >30m. | Motor Power Rate 90 watts | Frequency 50HZ. - 60HZ.