The 4XD500 Power Amplifier has 4 independent amplifier channels (100 V) and is compatible with the Variodyn D1 PAVA system. The 100 V outputs are connected to the Variodyn D1’s module DOM with the out
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