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.
FRM-1 Addressable Relay Module provides the system with a dry-contact output for activating a variety of auxiliary devices, such as fans, dampers, control equipment, etc.
The 4XD300 is controlled and monitored by the Variodyn D1 module’s DOM4-8 or DOM4-24 (Digital Output Module). It comes with a cooling unit socket located on its rear side for the mains connection and
The EN54-24-certified L-VHP15A from Honeywell consistently delivers intelligible voice and superior sound reproduction. It features a low-profile yet stylish design as well as high-strength, UV-protec