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Instrumentation & Control Equipment

We are leaders in the market for providing best range of Alarm Annunciators

Alarm Annunciators

  • No. of Channels min. 2 No. to max 64 no.
  • Type of Input Potential free Contact (24 V DC excited), NO / NC types selectable.
  • Type of Output Potential free Relay Contact for external hooter
  • Power Supply 90-270 V AC, 50 Hz +/-10%, single phase
  • Contact Rating 1 c/o, 5 Amp. @ 230 V AC
  • Window Indication Group of super bright LEDs
  • Window Size 40 x 40 mm
  • Flashing Frequency 40 flashes / min
  • Function TEST, ACCEPT, RESET on front fascia, as well as remote terminals for the same
  • Power Consumption <10 VA
  • Isolation 1.4 KV between Input & Power Supply
  • Mounting Flush of the panel
  • Temperature Coefficient ± 0.01% peroC
  • Response Time <20 msec 2
  • Enclosure MS Powder Coated
  • Dimensions Please concern factory
  • Weight 3 kg
  • Operating Conditions Temperature 0 to 55oC / Humidity 5 to 95% non condensing

Features :

Microprocessor based designMin 6 & Max 12 channelsPotential free contacts as InputRelay change-over contact output for external hooterGroup of super bright LEDs for Window Indication

Optically isolated input circuitRS 485 / RS 232 Communication PortReliable, compact, accurate operationLow maintenance



Description :
SYSTECH offers alarm annunciator specially used for various industrial applications. It is a central collection point of a persistent surveillance system watching sensing devices of many types & functions. Pressure & temperature switches, under / over voltage relays, status contacts and many other unrelated devices actuate the annunciator by means of their respective electrical contacts. This annunciator is reliable & compact system as per standards. Multi-coloured windows provided for easy differentiation of trip & non-trip or alarm & trip faults. System accepts potential free contacts as its input which may be of NO / NC type selectable by DIP switch. System incorporates a group of super bright LEDs instead of twin filament lamps in each window and specially designed power supply for high noise and wide input supply variations.

Communication Port RS 485 / RS 232 supporting MODBUS RTU / ASCII protocol
External Hooter 96 x 96 mm, panel mount type
Legend per window
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