AL121 Alarm Sounder & Beacon

 

The AL121 is a high output, 126dB(A) alarm sounder combined with a 5 Joule Xenon beacon.
The robust, fire retardant IP66 housing ensures the AL121 is suitable for all general signalling applications including fire, security and process control.

 

Part codes:
Version: Part code:
24Vdc AL121DC24[x]/[y]
48Vdc AL121DC48[x]/[y]
24Vac AL121AC24[x]/[y]
115Vac AL121AC115[x]/[y]
230Vac AL121AC230[x]/[y]
[x] = Housing colour: R: Red, G: Grey
[y] = Lens colour: A: Amber, B: Blue. C: Clear, G: Green, R: Red, Y: Yellow

 

Suffix part number with ‘-P’ for programmable, 4 stage, 45 tone version.
Suffix part number with ‘-UL’ for UL approved version.

 

Alarm sounder:
Version: Voltage range: Current mA:
24Vdc 10-30V dc 950mA*
48Vdc 35-60V dc 600mA*
24Vac 50/60Hz +/-10% 1000mA
115Vac 50/60Hz +/-10% 240mA
230Vac 50/60Hz +/-10% 120mA

 

* current at nominal voltage on Tone 2

 

Xenon beacon:
Version: Voltage range: Current mA:
12Vdc 10-14V dc 500mA
24Vdc 20-28V dc 250mA
48Vdc 42-54V dc 175mA
24Vac 50/60Hz +/-10% 300mA
115Vac 50/60Hz +/-10% 70mA
230Vac 50/60Hz +/-10% 35mA

 

Specification:

 

Sounder:
Maximum output: 126dB(A) @ 1 metre
Nominal output: 121dB(A) @ 1m +/- 3dB - Tone 2
No. of tones: 45 (UKOOA / PFEER compliant)
No. of stages: 3
Volume control: Max. 121dB(A); Min. 112dB(A) - Tone 2
Effective range: 300m @ 1KHz
Voltages DC: 24Vdc (10-30Vdc); 48Vdc (35-60Vdc)
[DC units can use 24Vac for single stage applications.]
Voltages AC: 24Vac; 115Vac; 230Vac
Stage switching: Negative
Reverse polarity stage switching on DC units.

 

Beacon:
Energy: 5 Joules (5Ws)
Flash rate: 1Hz (60 fpm)
Peak Candela: 86,953 cd
Effective Intensity cd: 200 cd*
Lens colours: Amber, Blue, Clear, Green, Opal, Red & Yellow
Tube life: Emissions are reduced to 70% after 8 million flashes

 

General:
Ingress protection: IP66
Housing material: High impact UL94 V0 & 5VA FR ABS
Colour: Red (RAL3000) and grey (RAL7038)
Cable entries: 2 x M20 clearance gland entries in side & back
Terminals: 0.5 to 4.0mm² cables.
Operating temperature: -25 to +55°C
Storage temperature: -40 to +70°C
Relative humidity: 90% at 20°C.
Weight : DC: 2.30kg AC:2.90kg

 

*Candela measurements representative of performance with clear lens at optimum voltage.
*SPL data +/-3dB(A). Measured at optimum voltage.

 

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.
• ‘Programmable’ version available:
  - 45 alarm tones
  - 4 remotely selectable stages
  - Any tone can be assigned to any stage
  - User configurable continuous frequency tone

 

Approvals:
• Alarm sounder (A121) VdS approved to EN54-3 (CPD 89/106/EEC).
• UKOOA/PFEER compliant alarm tones.
• UL approved version available.
• GOST-R approved. Cert: POCC GB-JB05-B02228