Alarm Annunciators are extensively used in plants for monitoring events, alarming in order to ensure timely remedial actions and prevent loss or damage. The compact state-of-the-art annunciator unit is designed to enhance the aesthetics of your control area. Housed in moulded poly-carbonate enclosure, the windows flash RED when activated. This Micro-controller based, SMPS powered unit with diagnostic LED, provides 2 built-in Relays for Main & Ring back Audio alarms . The rear terminal blocks accept upto 2.5 sqmm size wires, with easily replacable window legend transparency.Field selectable Modes: AUTO RESET/MANUAL RESET/ RING BACK/ FIRST UP.Readily extendable with multiple units, to form a larger annunciation sytem with common Mode selection, Audio alarm Relays & Accept, Reset and Test push button inputs.