117dB(A) alarm horn. The D1xS1F is a high output alarm horn sounder with re-entrant flare horn. Low current consumption and high SPL in a robust Type 4/4X, IP66 marine grade, corrosion proof aluminium enclosure ensure the D1xS1F is suitable for all Class I & II Division 1, Zone 1 & 20 explosion proof signaling applications. The 24V dc version is approved for public mode fire alarm use and the 110-240V ac version for general signaling use.Featuring 64 alarm sounds, the alarm tone frequencies for the first 2 stages are independently selectable. Each of the available 4 stage/channels can be remotely triggered e.g. via an external relay. Approved for gas groups ABCD for use in Class 1 Division 1, Class 1 Zone 1 IIC and for dust groups FG for use in Class 2 Division 1, Zone 20 IIIB environments. The termination chamber and cover feature a threaded flameproof joint simplifying both installation and routine maintenance.
Model Types
D1x S1F | Alarm Horn Sounder |
Features
- High output, up to 117dB(A)
- Public mode fire alarm use
- 4 remotely selectable alarm stages/channels
- Positive or negative line stage/channel switching
- Choice of 64 alarm tone frequencies
- Automatic synchronisation on multi-sounder system
- Continuously rated
- Compact form factor
- Robust corrosion proof aluminium enclosure
- Stainless steel fixings
- Triple cable entries
- Duplicate cable terminations (in & out for daisy-chain installations)
- Available with custom tone configurations and frequencies
- UL Approval, Class 1 & 2 Division 1