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2-21-090

A121 Alarm Sounder

The A121 is a very high output, 126dB(A) alarm sounder. 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.

 

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
Housing material: High impact UL94 V0 & 5VA FR ABS
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.

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] = Housing 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.

Alarm sounder

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

Tone Table

Stage 1 WAV file Frequency Description. Stage 2 Stage 3
T 1   340 Hz Continuous T 2 T 5
T 2   800/1000Hz @ 0.25 sec Alternating T 17 T 5
T 3   500/1200Hz @ 0.3Hz 0.5 sec Slow Whoop T 2 T 5
T 4   800/1000Hz @ 1Hz Sweeping T 6 T 5
T 5   2400Hz Continuous T 3 T 20
T 6   2400/2900Hz @ 7Hz Sweeping T 7 T 5
T 7   2400/2900Hz @ 1Hz Sweeping T 10 T 5
T 8   500/1200/500Hz @ 0.3Hz Sweeping T 2 T 5
T 9   1200/500Hz @ 1Hz - DIN / PFEER P.T.A.P. T 15 T 2
T 10   2400/2900Hz @ 2Hz Alternating T 7 T 5
T 11   1000Hz @ 1Hz Intermittent T 2 T 5
T 12   800/1000Hz @ 0.875Hz Alternating T 4 T 5
T 13   2400Hz @ 1Hz Intermittent T 15 T 5
T 14   800Hz 0.25sec on, 1 sec off Intermittent T 4 T 5
T 15   800Hz Continuous T 2 T 5
T 16   660Hz 150mS on, 150mS off Intermittent T 18 T 5
T 17   544Hz (100mS)/440Hz (400mS) - NF S 32-001 T 2 T 27
T 18   660Hz 1.8sec on, 1.8sec off Intermittent T 2 T 5
T 19   1.4KHz-1.6KHz 1s, 1.6KHz-1.4KHz 0.5s -NFC48-265 T 2 T 5
T 20   660Hz Continuous T 2 T 5
T 21   554Hz/440Hz @ 1Hz Alternating T 2 T 5
T 22   544Hz @ 0.875 sec. Intermittent T 2 T 5
T 23   800Hz @ 2Hz Intermittent T 6 T 5
T 24   800/1000Hz @ 50Hz Sweeping T 29 T 5
T 25   2400/2900Hz @ 50Hz Sweeping T 29 T 5
T 26   Bell T 2 T 15
T 27   554Hz Continuous T 26 T 5
T 28   440Hz Continuous T 2 T 5
T 29   800/1000Hz @ 7Hz Sweeping T 7 T 5
T 30   300Hz Continuous T 2 T 5
T 31   660/1200Hz @ 1Hz Sweeping T 26 T 5
T 32   Two T chime. T 26 T 15
T 33   745Hz @ 1Hz Intermittent T 2 T 5
T 34   1000 & 2000Hz @ 0.5 sec Alternating - Singapore T 38 T 45
T 35   420Hz @ 0.625 sec Australian Alert T 36 T 5
T 36   500-1200Hz 3.75sec /0.25sec. Australian Evac. T 35 T 5
T 37   1000Hz Continuous - PFEER Toxic Gas T 9 T 45
T 38   2000Hz Continuous T 34 T 45
T 39   800Hz 0.25sec on, 1 sec off Intermittent T 23 T 17
T 40   544Hz (100mS)/440Hz (400mS) - NF S 32-001 T 31 T 27
T 41   Motor Siren - slow rise to 1200 Hz T 2 T 5
T 42   Motor Siren - slow rise to 800 Hz T 2 T 5
T 43   1200 Hz Continuous T 2 T 5
T 44   Motor Siren - slow rise to 2400 Hz T 2 T 5
T 45   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.