A105N Alarm Sounder
A105N Alarm Sounder
A105N Alarm Sounder

A121 Alarm Sounder

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.

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.

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Description

Technical Description – A121 Alarm Sounder

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

 

Please refer to datasheet for more information

Data Sheet - A121 Alarm Sounder

Manual - A121 Alarm Sounder

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A121 Sounder Range - Outline

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EU Declaration of Conformity

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Declaration of Performance

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