Multi Point Alarm Annunciaters


MICROWATCH ANNUNCIATER: The Microwatch ASO is a specially designed for tripping of plants such as refrigeration / air conditioning compressors, chillers etc. In such plants each & every fault is important and has to trip the compressor. The unique design has two relays, one for hooter operation & other for ALL SAFETY OK (ASO) contact, which is to be used in series with compressor starter circuit. This eliminates the use of conventional multiple contractor, Relay logic for tripping of compressor. The Microwatch accepts potential free contacts as inputs with a
selectable facility for “Make to Alarm” (NO Type) & “Break to Alarm” (NC type), for each individual inputs. Preprogrammed time delays can be provided for individual windows for fault such as Low Differential Oil Pressure (OP) or Low Oil Level etc.

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