Explosion Proof (ATEX / IECEx) Sounder / horn – SD150

The SD150 is a powerful ATEX/IECEx-certified sounder designed for hazardous areas where loud, clear audible alarms are critical. Housed in UV-resistant GRP with a stainless steel bracket, it delivers up to 115dB and features 59 selectable tones, with up to three programmable per unit. SIL2-compliant and IP66/67 rated, it's suitable for Zone 1, 2, 21, and 22 environments. Ideal for oil, gas, chemical, and offshore industries, the SD150 supports both AC and DC inputs and is customisable with mounting accessories, sunshades, and duty labels—ensuring reliable signalling in the harshest conditions.