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A121 Alarm Sounder 2-21-090

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The A121 is a very high output, 126dB(A) alarm sounder. UL and GOST-R approved and tested to EN54-3 for CPR compliance (89/106/EEC) for fire alarm use.
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Part Number:
A121
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Alarm Sounder

Upgrade Notification

Note: Product upgrade launching 1st June 2021
View upgraded product details here

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Description

High SPL in a robust, fire retardant IP66 housing ensure the A121 is suitable for all general signalling applications including fire, security and process control.

Downloads

Datasheet Datasheet.pdf
Installation Manual A121_Inst__ISN3501-A_.pdf
Programmable version installation PROGSNDR_Inst__ISN2802-A_.pdf
UL certifcate of compliance UL_CoC_-_20120402-S7995_A-Range__AL-Range.pdf
EC Certificate of Conformity 0786-CPD-20258_A121.pdf
Russian EAC Declaration of Conformity D-GB.GA05.B.12595-20-24.03.2025.pdf
Russian Maritime register 19.00193.278.pdf
Ingress Protection certificate 58D22760E_IP66_certificate_-_A121.pdf
Declaration of Conformity DC-022_Issue_H_A-range.pdf
Declaration of Performance DP_-_0786-CPD-20258-Issue_A_A121.pdf
2D drawing (PDF) SK0110_Issue_D.pdf
2D drawing (DWG) SK0110_Issue_D.dwg
3D drawing (STEP) SK0110-3D_Issue_A.STEP
Hi-res product image 1 (TIFF) 2-21-090_A121-R.tif
Hi-res product image 2 (TIFF) 2-21-090_A121-G.tif
Lo-res product image 1 (JPG) 2-21-090_A121-R.jpg
Lo-res product image 2 (JPG) 2-21-090_A121-G.jpg

Features

  • Automatic synchronisation on multi-sounder system.
  • Continuously rated.
  • Stainless steel fixings.
  • Unit can be mounted using external lugs or internal BESA compatible fixing positions.
  • Duplicate cable terminations (in & out for daisy-chain installations).
  • Tropicalisation available on request.
  • Available with custom tone configurations and frequencies.
  • Stage programmable version available:
    45 alarm tones
    4 remotely selectable stages
    Any tone can be assigned to any stage
    User configurable continuous frequency tone

Specification

Maximum output: 126dB(A) @ 1 metre [117dB(A) @ 10ft/3m]
Nominal output: 121dB(A) @ 1m +/- 3dB – Tone 2 [112dB(A) @ 10ft/3m]
No. of tones: 45 (UKOOA / PFEER compliant)
No. of stages: 3
Volume control: Max. 121dB(A);
Min. 112dB(A) – Tone 2
Effective range: 300m/984ft @ 1KHz
Voltages DC: 24V dc (10-30V dc);
48V dc (35-60V dc)
[DC units can use 24V ac for single stage applications.]
Voltages AC: 24V ac; 115V ac; 230V ac
Stage switching: Negative or optional positive
Ingress protection: IP66
Enclosure material: High impact UL94 V0 & 5VA FR ABS
Enclosure colour: Red (RAL3000) & grey (RAL7038)
Cable entries: 2 x M20 clearance gland entries in side & back
Terminals: 0.5 to 4.0mm² cables.
Operating temp: -25 to +55°C [-13° to +131°F]
Storage temp: -40 to +70°C [-40° to +158°F]
Relative humidity: 90% at 20°C [68°F]
Weight: DC: 2.10kg/4.62Ibs AC:2.70kg/5.94Ibs
*SPL data +/-3dB(A). Measured at optimum voltage.

Current Consumption

Version: Voltage: Current:
24V dc 10-30V dc 950mA*
48V dc 35-60V dc 600mA*
24V ac 50/60Hz +/-10% 1000mA
115V ac 50/60Hz +/-10% 240mA
230V ac 50/60Hz +/-10% 120mA
* current at nominal voltage on Tone 2

Part Codes

Version: Part code:
24V dc A121DC24[x]
48V dc A121DC48[x]
24V ac A121AC24[x]
115V ac A121AC115[x]
230V ac A121AC230[x]
[x] = Enclosure colour: R: Red, G: Grey
Suffix part number with ‘-P’ for programmable, 4 stage, 45 tone version (not available with UL approval).
Suffix part number with ‘-UL’ for UL approved version.

Approvals

  • EN54-3 (CPD 89/106/EEC).
  • UL & cULs approved: General signalling use.
  • GOST-R approved. Cert: POCC GB.JB05.H00144.

Tone Table

Stage 1 WAV file Frequency Description. Stage 2 Stage 3
T 1 /system/1/assets/files/000/000/415/415/246615edd/original/TF001.WAV 340 Hz Continuous T 2 T 5
T 2 /system/1/assets/files/000/000/419/419/e353c86c4/original/TF002.WAV 800/1000Hz @ 0.25 sec Alternating T 17 T 5
T 3 /system/1/assets/files/000/000/417/417/abf396de0/original/TF003.WAV 500/1200Hz @ 0.3Hz 0.5 sec Slow Whoop T 2 T 5
T 4 /system/1/assets/files/000/000/420/420/50f9ee7a7/original/TF004.WAV 800/1000Hz @ 1Hz Sweeping T 6 T 5
T 5 /system/1/assets/files/000/000/421/421/b578af8a9/original/TF005.WAV 2400Hz Continuous T 3 T 20
T 6 /system/1/assets/files/000/000/422/422/42b72dd93/original/TF006.WAV 2400/2900Hz @ 7Hz Sweeping T 7 T 5
T 7 /system/1/assets/files/000/000/373/373/a686b0abe/original/TF007.WAV 2400/2900Hz @ 1Hz Sweeping T 10 T 5
T 8 /system/1/assets/files/000/000/376/376/00cd26f9e/original/TF008.WAV 500/1200/500Hz @ 0.3Hz Sweeping T 2 T 5
T 9 /system/1/assets/files/000/000/386/386/ceb4e488c/original/TF009.WAV 1200/500Hz @ 1Hz – DIN / PFEER P.T.A.P. T 15 T 2
T 10 /system/1/assets/files/000/000/374/374/021ee6540/original/TF010.WAV 2400/2900Hz @ 2Hz Alternating T 7 T 5
T 11 /system/1/assets/files/000/000/377/377/ac5498db0/original/TF011.WAV 1000Hz @ 1Hz Intermittent T 2 T 5
T 12 /system/1/assets/files/000/000/375/375/771bd7a3e/original/TF012.WAV 800/1000Hz @ 0.875Hz Alternating T 4 T 5
T 13 /system/1/assets/files/000/000/378/378/6380218ec/original/TF013.WAV 2400Hz @ 1Hz Intermittent T 15 T 5
T 14 /system/1/assets/files/000/000/379/379/51c1bb5a9/original/TF014.WAV 800Hz 0.25sec on, 1 sec off Intermittent T 4 T 5
T 15 /system/1/assets/files/000/000/380/380/06feaa7b3/original/TF015.WAV 800Hz Continuous T 2 T 5
T 16 /system/1/assets/files/000/000/381/381/93f51c79a/original/TF016.WAV 660Hz 150mS on, 150mS off Intermittent T 18 T 5
T 17 /system/1/assets/files/000/000/382/382/2c2978b6a/original/TF017.WAV 544Hz (100mS)/440Hz (400mS) – NF S 32-001 T 2 T 27
T 18 /system/1/assets/files/000/000/397/397/d6d84d0c3/original/TF018.WAV 660Hz 1.8sec on, 1.8sec off Intermittent T 2 T 5
T 19 /system/1/assets/files/000/000/383/383/11797b764/original/TF019.WAV 1.4KHz-1.6KHz 1s, 1.6KHz-1.4KHz 0.5s -NFC48-265 T 2 T 5
T 20 /system/1/assets/files/000/000/384/384/5c30f9f4d/original/TF020.WAV 660Hz Continuous T 2 T 5
T 21 /system/1/assets/files/000/000/385/385/a85a0a356/original/TF021.WAV 554Hz/440Hz @ 1Hz Alternating T 2 T 5
T 22 /system/1/assets/files/000/000/387/387/d33e565a9/original/TF022.WAV 544Hz @ 0.875 sec. Intermittent T 2 T 5
T 23 /system/1/assets/files/000/000/388/388/b4cf9203e/original/TF023.WAV 800Hz @ 2Hz Intermittent T 6 T 5
T 24 /system/1/assets/files/000/000/389/389/68683d240/original/TF024.WAV 800/1000Hz @ 50Hz Sweeping T 29 T 5
T 25 /system/1/assets/files/000/000/398/398/7c1bf5e00/original/TF025.WAV 2400/2900Hz @ 50Hz Sweeping T 29 T 5
T 26 /system/1/assets/files/000/000/395/395/631e82dc8/original/TF026.WAV Bell T 2 T 15
T 27 /system/1/assets/files/000/000/390/390/10abe0caa/original/TF027.WAV 554Hz Continuous T 26 T 5
T 28 /system/1/assets/files/000/000/391/391/5f7a58b54/original/TF028.WAV 440Hz Continuous T 2 T 5
T 29 /system/1/assets/files/000/000/392/392/68d5d1294/original/TF029.WAV 800/1000Hz @ 7Hz Sweeping T 7 T 5
T 30 /system/1/assets/files/000/000/393/393/744c6f53f/original/TF030.WAV 300Hz Continuous T 2 T 5
T 31 /system/1/assets/files/000/000/394/394/1bfee2f1b/original/TF031.WAV 660/1200Hz @ 1Hz Sweeping T 26 T 5
T 32 /system/1/assets/files/000/000/396/396/d64fbc9d0/original/TF032.WAV Two T chime. T 26 T 15
T 33 /system/1/assets/files/000/000/410/410/a0f0ba2a6/original/TF033.WAV 745Hz @ 1Hz Intermittent T 2 T 5
T 34 /system/1/assets/files/000/000/399/399/84b54dafb/original/TF034.WAV 1000 & 2000Hz @ 0.5 sec Alternating – Singapore T 38 T 45
T 35 /system/1/assets/files/000/000/402/402/9168c8c48/original/TF035.WAV 420Hz @ 0.625 sec Australian Alert T 36 T 5
T 36 /system/1/assets/files/000/000/400/400/aba6c8a51/original/TF036.WAV 500-1200Hz 3.75sec /0.25sec. Australian Evac. T 35 T 5
T 37 /system/1/assets/files/000/000/405/405/214ccf82a/original/TF037.WAV 1000Hz Continuous – PFEER Toxic Gas T 9 T 45
T 38 /system/1/assets/files/000/000/407/407/ecce63f4f/original/TF038.WAV 2000Hz Continuous T 34 T 45
T 39 /system/1/assets/files/000/000/401/401/e3954ab10/original/TF039.WAV 800Hz 0.25sec on, 1 sec off Intermittent T 23 T 17
T 40 /system/1/assets/files/000/000/403/403/88b145b84/original/TF040.WAV 544Hz (100mS)/440Hz (400mS) – NF S 32-001 T 31 T 27
T 41 /system/1/assets/files/000/000/404/404/1c1741943/original/TF041.WAV Motor Siren – slow rise to 1200 Hz T 2 T 5
T 42 /system/1/assets/files/000/000/408/408/e0fadcdd2/original/TF042.WAV Motor Siren – slow rise to 800 Hz T 2 T 5
T 43 /system/1/assets/files/000/000/406/406/49b88184e/original/TF043.WAV 1200 Hz Continuous T 2 T 5
T 44 /system/1/assets/files/000/000/409/409/590aa5e82/original/TF044.WAV Motor Siren – slow rise to 2400 Hz T 2 T 5
T 45 /system/1/assets/files/000/000/412/412/fa8b418f9/original/TF045.WAV 1KHz 1s on, 1s off Intermittent – PFEER Gen. Alarm T 38 T 34
Country specific or custom tone configurations and alarm frequencies are available upon request.

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