• Sertel Electronics P Limited

Alarm Annunciator

Sertel Alarm Annunciator is a persistent surveillance system deployed to watch and sense devices of many types and functions. T-AA-300 can be configured to provide the best solution for various size and complex alarm scheme. With field proven multi-redundant ASIC design, this Annunciator is highly reliable and programmable for all applications and industries. Wide range of window size, colours could be accustomed as required. Each individual alarm is fully programmable from the front end using the integrated programming module. This allows the user to select many different features ,giving thousands of possible combinations. Numerous relay outputs are included as standard output to connect to external equipment and individual repeat relays or communications can be supplied as an optional output.The annunciation unit is built with panel mountable and wall mountable types which can be supplied as per requirement. In front side, removable Legend display Facias are installed in A4 size standard sheets. In the rear side, the input connections and power supply connections are provided. Input card and the mother board cards are completely isolated. Input cards have a connection to the input field contacts, power supply unit and external push button connections. All inputs are completely isolated from the mother board. This input card can serve from 8 to 1000 channels by cascading them. Card extensions provide for easy increase in channels by creating a daisy-chain network of Input, Output, Repeat Relay cards. The alarm contact relays and hooter contacts are present in the input card. Each channel can be configured for Trip / Non-trip Alarm and N.O. / N.C. Input configurations. The whole unit has self-diagnostic features, power failure management and other redundancy features. Power failure indications are provided in the front side of the annunciator