Electronic Hooter Cum Sounder – ABS Body (Indoor Type)
Fire alarm notification indoor electronic hooter cum sounder are specialized audible signaling devices designed to emit high-decibel tones to alert occupants during emergencies complying with safety standards like EN54-3.or IS2189 – devices typically operate on 24v DC well Engineered for reliability
Part Number: AGNI-408 | Category: Hooter/Hooter Flasher/Hooter cum Speaker
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Description
AGNI- 408 Electronic Hooter Cum Sounder is an active fire alarm notification device manufactured by Agni Instruments Engineers India Private Limited. It is well engineered to provide immediate audible alerts during fire or emergency conditions within indoor environments.Â
When activated by a conventional fire alarm control panel through the Notification Appliance Circuit (NAC), the device generates a distinctive signal fire alarm wave Tone. The sound output level of 85-95 dB or more than that at 1 meter ensures effective occupant alerting and supports timely evacuation.
The unit operates on a regulated 24v DC power supply outer enclosure with ABS Â Â (Acrylonitrile Butadiene Styrene) high-strength plastic. Its compact design allows easy wall mounting while maintaining durability and consistent performance in controlled indoor conditions.Â
Designed for system reliability, the hooter cum sounder includes a two way terminal for secure electrical connections. With IP21C protection and Type-A indoor classification, it is suitable for commercial, industrial, and institutional fire alarm installations where dependable audible signaling is essential.Â
How it Works
How does the Agni Electronic Hooter Cum Sounder Work?
The Electronic Hooter Cum Sounder – ABS Body functions as an audible notification appliance within a conventional fire alarm system. Its primary role is to alert occupants immediately when a fire or emergency condition is detected.
Commonly Used
- Office Building Fire AlarmÂ
- Warehouse or Industrial FacilityÂ
- School or Hospital CorridorÂ
- Commercial Complex
Step-by-Step Electronic Hooter Cum Sounder Working Principle?
01
Fire Detection Occurs
A smoke detector, heat detector, on manual call point connected to the conventional fire alarm control panel detects a fire condition.
02
Control Panel Activates NAC
The fire alarm control panel sends a 24V DC signal through the Notification Application Circuit (NAC) to the hooter/sounder.
03
Sounder Energizes
Upon receiving power, the hooter activates instantly and draws a maximum current of 195 mA.
04
Audible Alarm is Generated
The device emits a fire alarm wave tone with a 0.30 second ON / 0.30 second OFF pattern at a sound pressure level of 85-95 dB @ 1 meter.
05
Occupant Alert & Evacuation
The clear, repetitive alarm sound alerts occupants, guiding them to evacuate the premises safely and promptly.
06
Alarm Reset
Once the fire condition is cleared, the control panel is reset, and the hooter automatically stops sounding.
Technical Specification
System Electrical Parameters
|
PARAMETER |
Specification |
|---|---|
|
Part Number |
AGNI-408 |
|
Operating Voltage |
24V DC (±6%) |
|
Maximum Current |
195 mA |
|
Sound Frequency |
520 Hz Signal (±10%) |
|
Sounder Output Level |
85-95 dB or more than that (SPL @ 1m) |
|
Sound Pattern |
Fire Alarm 0.30 s ON / 0.30 s OFF Pulse Wave Tone |
|
Cable Size |
0.5 - 1.5 sq. mm |
|
Operating Temperature |
-2°C to +78°C |
Enclosure / Mechanical Specifications
|
PARAMETER |
Specification |
|---|---|
|
Enclosure Material |
ABS - Acrylonitrile Butadiene Styrene high Strength Plastic |
|
Protection Category |
Type A - Indoor Use |
|
Ingress Protection Rating |
IP21C |
|
Maximum Humidity |
95% RH (Non-Condensing) |
|
Connector Type |
Two way terminal block |
|
Colour |
Standard Red |
|
Dimensions (H × W × D) |
112 mm × 112 mm × 80 mm |
|
Net Weight |
410 g |
|
Shipping Weight |
420 g (Gross with packing) |
Compliance
|
Standard |
Status |
|---|---|
|
EN 54-16 |
Compliance |
|
EN 54-4 |
Compliance |
|
CE Making |
Yes |
Guidelines: The NFPA 72., NBC & IS 15908 (2011) and IS 2189 Code of Practice govern the installation (3rd/ 4th Revision), fire alarm Notification device sounders (hooters) must be placed to ensure the 520 Hz signal in audible throughout the protected area, typically placed high on walls or near ceilings, commonly around 2.1m to 2.4m above the floor & sound levels of fire detection systems, with a minimum of 65 dB (A) or 5 dB (A) above ambient noise in occupied areas.
Job to be Done
Primary Job
Immediately alert building occupants with a clear, high-audibility alarm when a fire event is detected, enabling safe and precise evacuation.
Safety Job
Provide a reliable, instantly recognizable audible warning that reduces response time, prevents confusion, and supports safe evacuation during fire emergencies.
Operational Job
Generate a consistent 85-95 dB fire alarm distinctive wave tone when powered by a 24V DC fire alarm control panel through the notification
FAQ
What is an Electronic Hooter Cum Sounder used for?
An Electronic Hooter Cum Sounder is used as an audible notification device in a conventional fire alarm system. When a fire condition is detected, it produces a loud alarm sound to alert occupants and support safe evacuation.Â
Is this hooter suitable for indoor use only?
Yes, This model is classified as Type A – Indoor Use and has an IP21C protection rating, making it suitable for controlled indoor environments only.Â
Is this hooter compatible with conventional fire alarm panels?
The Electronic Hooter Cum Sounder is designed to operate with conventional fire alarm control panels using Notification Appliance Circuits (NAC).Â
Agni Electronic Hooter Cum Sonder ABS Body | AGNI-408
High-performance Electronic Hooter Cum Sounder with ABS body for indoor fire alarm systems. Operates on 24V DC, delivers 85-95 dB output, EN 54-16 & 54-4 compliant. Reliable audible fire notification solution.Â
