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The D1xS1R is a 115dB(A) high output alarm horn sounder with an omni-directional, radial horn. Suitable for all Class I & II Division 1, Zone 1 & 20 explosion proof applications, the D1xL1F is Type 4/4X, IP66 with marine grade, corrosion proof aluminium enclosure.
The D1xS1R Radial Alarm Horn Sounder has low current consumption and high SPL, with the 24V dc version approved for public mode fire alarm use and the 110-240V ac version for general signalling use. It features 64 alarm sounds, and 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.