Cranford Controls

A112N Alarm Sounder

Product Overview

The A112N is a high output, 119dB(A) alarm sounder. High SPL in a robust fire retardant IP66 housing ensures the A112N is suitable for all general signaling applications including fire, security and process control.


  • Automatic synchronisation on the multi-sounder system.
  • Continuously rated.
  • Stainless steel fixings.
  • The 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.
  • ‘Programmable’ version available:
    – 45 alarm tones
    – 4 remotely selectable stages
    – Any tone can be assigned to any stage
    – User-configurable continuous frequency tone


Maximum Output 119dB(A) @ 1 metre
Nominal Output 112dB(A) @ 1m +/- 3dB – Tone 2
No. of Tones 45 (UKOOA / PFEER compliant)
No. of Stages 3
Volume Control Max. 112dB(A);Min. 100dB(A) – Tone 2
Effective Range 125m @ 1KHz
Voltages DC 24V dc (10-30V dc); 48V dc (35-60V dc); 110V dc (90-250V dc)
[24V dc units can use 24V ac for single stage apps.]
Voltages AC 24V ac; 115V ac; 230V ac 
Stage Switching Negative or optional positive. Reverse polarity stage switching on DC units.
Ingress Protection IP66
Housing Material High impact UL94 V0 & 5VA FR ABS
Colour Red (RAL3000)

*For further product details, please refer to the Product Data Sheet

Part Numbers

24V dc A112NDC24[x]
48V dc A112NDC48[x]
110/230V dc A112NDC110[x]
24V ac A112NAC24[x]
115V ac A112NAC115[x]
230V ac A112NAC230[x]