The D1xS1R is a performance certified alarm horn sounder with a compact, omni-directional horn and a sound output of up to 101dB(A). The robust Type 4/4X, IP66 marine grade, corrosion proof aluminum enclosure is approved for Class I & II Div 1, Zone 1 & 20, IECEx and ATEx Zone 1 & 2 explosion proof signaling applications.
Featuring 64 alarm tones, each of the 4 stage/channels can be remotely activated. The threaded flameproof joint, multiple cable entries and duplicated, pluggable termination simplifies both installation and routine maintenance. The 24Vdc version is approved for public mode fire alarm use and the 100-240Vac version for general signaling use. SIL1 & SIL2 Route 2H compliant to IEC61508 (2010) as standard.
