MA121 Alarm Horn Sounder IP66/67
The MA121 is a very high output, 126dB(A) alarm sounder. With a high SPL in a robust, fire retardant IP66 & IP67 housing, the MA121 is particularly suitable for harsh environments with high ambient noise levels.
Features:
• Automatic synchronisation on multi-sounder system.
• Continuously rated.
• Large termination area.
• Stainless steel fixings.
• Ratchet adjustable stainless steel ‘U’ bracket for 360° positioning.
• 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:
GOST-R approved. Cert: POCC GB.JB05.H00144. |
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: | 24vDC (10-30vDC); 48vDC (35-60vDC) |
| [DC units can use 24V ac for |
| single stage applications.] |
Voltages AC: | 24vAC; 115vAC; 230vAC |
Stage switching: | Negative or positive |
| Reverse polarity stage switching on DC units. |
Ingress protection: | IP66 & IP67 (Third party tested) |
Enclosure matl: | High impact UL94 V0 & 5VA FR ABS |
Colour: | Grey RAL7038 |
Cable entries: | 2 x M20 supplied with 1 blanking plug |
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: 2.50kg/5.5Ibs AC:3.00kg/6.6Ibs |
* SPL data +/-3dB(A). Measured at optimum voltage.
Part Codes:
Version: | Part code: |
| |
24vDC | MA121 DC 24 G |
48vDC | MA121 DC 48 G |
24vAC | MA121 AC 24 G |
115vAC | MA121 AC 115 G |
230vAC | MA121 AC 230 G |
| |
Suffix part numbers: | ‘-P’ for programmable, 4 stage, 45 tone version. |
| ‘-TP’ for Tropicalisation version |
| ‘-A4’ for U-Bracket in A4 (316 Stainless Steel) |
Current Consumption:
Version: | | Voltage: | Current: |
| | | |
24vDC | | 10-30vDC | 950mA* |
48vDC | | 35-60vDC | 600mA* |
24vAC | 50/60Hz | +/-10% | 1 A |
115vAC | 50/60Hz | +/-10% | 240mA |
230vAC | 50/60Hz | +/-10% | 120mA |
| | | |
* current at nominal voltage on Tone 2