Instrumentation & Control Equipment

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4 Window Alarm Annunciator

Supply Voltage 90-270 VAC/DC or 20-60 VDC.
Operation Sequence Multiple sequence option with site selection facility.
Push Button Controls On board Test, Silence(optional), Accept, Reset buttons.
No. of windows 04 Window (4 x 2).
Window size 30 x 30 mm.
No of LED`s per Window Super bright 4 LED`s in Parallel.
Power Consumption 0.8 VA per window.
Terminals Suitable for 0.2 to 2.5 sq. Mm. Cable.
Scan time Less than 10 ms.
Response Time Less than 10 ms.
Flash Rate 60 Flash per min Fast Flashing 30 flash per min slow flashing
Fault Input Contacts Potential free contact needed. (LIVE Input Fault Contact can be Optional ).
Output Connection Remote TEST, SILENT, ACCEPT, RESET.
Output Relay Contacts 2 No`s potential free, Non trip group & trip group. (Annunciator fail Optional.)
Enclosure ABS Enclosure with high strength.
Output Contact Rating 7 amps at 230 VAC Resistive.
Noise Immunity 2KV as per IEC 61000-4-12.
Impulse Tests 5KV as per IEC 60255 -5.
Environmental Tests As per IS 9000.
Max. Ambient Temp 0-60 Deg C.
Humidity 95% R.H.
Window Colour Red, Yellow, Green, Blue, Amber & white.
Facia Type Printed on Photo film replaceable from front(optional)
Cutout size 68(W) x 138(H) mm.
Over all Size 72(W) x 144(H) x 160(D) mm.

Based on latest single chip microcontroller technology.
Compact design for reliable and accurate operation.
Fast response time.
Field selectable operational sequences.
Incorporates a group of super bright LED's instead of twin Filament lamps for ultimate life at very less power consumption.
Actuated thro' potential free fault input contacts.
Fault input contacts NO/NC site selectable by means of DIP switches.
Opto-isolated all fault inputs, immune to noise disturbances.
Provision for external audible (Bell or Hooter) thro' potential free relay output contact.
All models are with built-in Test, Silence(optional), Accept & Reset push buttons, provision on back side terminal strip.
Specially designed power supply for high noise immunity,
Wide input variations & having built-in transient protection.
The extensive protection so provided safeguards all I.C.'s & components from failure, thereby offering complete reliability.
All cards interconnected with plug-in polarized connectors for easy servicing.
Rugged Plastic enclosure with high strength.
Type tested for noise, impulse and functional test as per various standards.
Multicoloured inscription plate for easy differentiation of Trip and Non-Trip fault annunciations.
Site selectable facility for grouping of Trip and Non-Trip faults or Trip and Alarm faults for visual and audio discrimination thro' two separate output relay contacts.
Extra relay output contact per channel for repeat annunciation.
Actuated thro' LIVE fault input contacts. (AC or DC voltage directly can be given.)
Provision for Dual (AC & DC) power supply with automatic changeover with A.C. fail or D.C. fail annunciation
Computer interface with MODBUS RS-485 RTU protocol.
Output connections for remote Test, Silent, Accept and Reset operations
Partly POTENTIAL FREE and partly LIVE fault input contacts can be given in one single unit
Choice of different window sizes 30 x 30 or 30 x 65mm.

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Alarm Annunciator

₹ 16,000 / Piece Get Latest Price

Brand Name PROTON
Application CONTROL PANEL
Model Number PRO28-4D-H

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Over the years, we have become a high-flying name since our Alarm Annunciators is qualitative and deliveries are time-bound. Ranked amidst the established names, we deliver the truly appreciable products from Maharashtra(India).

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