{"product_id":"siemens-oohc941-multi-criteria-detector-new","title":"Siemens OOHC941 Multi Criteria Detector (NEW)","description":"\u003cp data-start=\"113\" data-end=\"673\"\u003e\u003cstrong\u003eSiemens OOHC941 Multi Criteria Detector\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"113\" data-end=\"673\"\u003eThe Siemens OOHC941 is an advanced multi-criteria detector designed for use with Siemens Cerberus PRO control panels. It combines optical smoke sensing, thermal sensing, and carbon monoxide detection in a single addressable device to deliver enhanced fire detection performance while helping reduce nuisance alarms. It uses Siemens ASAtechnology with forward and backward light scattering, along with thermal and CO sensing, to better distinguish real fire conditions from deceptive phenomena such as dust, steam, or cooking aerosols.\u003c\/p\u003e\n\u003cp data-start=\"675\" data-end=\"1062\"\u003eThe OOHC941 occupies a single address on the signaling line circuit and supports multiple detection functions in one unit. Depending on system programming, it can be configured for simultaneous and\/or independent fire, heat, and CO monitoring functions. It is listed for multiple applications including fire detection, carbon monoxide detection, heat detection, and certain in-duct uses.\u003c\/p\u003e\n\u003cp data-start=\"1064\" data-end=\"1082\"\u003e\u003cstrong data-start=\"1064\" data-end=\"1080\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1083\" data-end=\"1669\"\u003e\n\u003cli data-section-id=\"2zraqu\" data-start=\"1083\" data-end=\"1159\"\u003eMulti-criteria detection with optical, heat, and carbon monoxide sensing\u003c\/li\u003e\n\u003cli data-section-id=\"1qwkvfm\" data-start=\"1160\" data-end=\"1270\"\u003eUses Siemens ASAtechnology for advanced discrimination between actual fire conditions and nuisance sources\u003c\/li\u003e\n\u003cli data-section-id=\"cermaw\" data-start=\"1271\" data-end=\"1306\"\u003eSingle SLC addressable detector\u003c\/li\u003e\n\u003cli data-section-id=\"1qf0kmm\" data-start=\"1307\" data-end=\"1362\"\u003eCompatible with Siemens Cerberus PRO control panels\u003c\/li\u003e\n\u003cli data-section-id=\"at5s6o\" data-start=\"1363\" data-end=\"1441\"\u003eBuilt-in CO sensor with self-monitoring and end-of-life warning capability\u003c\/li\u003e\n\u003cli data-section-id=\"153ala3\" data-start=\"1442\" data-end=\"1498\"\u003eTri-color LED status indication with 360° visibility\u003c\/li\u003e\n\u003cli data-section-id=\"agaw07\" data-start=\"1499\" data-end=\"1553\"\u003eSupports remote sensitivity measurement capability\u003c\/li\u003e\n\u003cli data-section-id=\"8zqzrs\" data-start=\"1554\" data-end=\"1669\"\u003eCan be programmed as a high-sensitivity detector for select applications including NFPA 76 telecom environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1671\" data-end=\"1691\"\u003e\u003cstrong data-start=\"1671\" data-end=\"1689\"\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1692\" data-end=\"2117\"\u003e\n\u003cli data-section-id=\"m3itbe\" data-start=\"1692\" data-end=\"1714\"\u003e\n\u003cstrong data-start=\"1694\" data-end=\"1704\"\u003eModel:\u003c\/strong\u003e OOHC941\u003c\/li\u003e\n\u003cli data-section-id=\"1oc4rxk\" data-start=\"1715\" data-end=\"1748\"\u003e\n\u003cstrong data-start=\"1717\" data-end=\"1733\"\u003ePart Number:\u003c\/strong\u003e S54320-F8-A2\u003c\/li\u003e\n\u003cli data-section-id=\"7d8v5w\" data-start=\"1749\" data-end=\"1803\"\u003e\n\u003cstrong data-start=\"1751\" data-end=\"1767\"\u003eDevice Type:\u003c\/strong\u003e Multi-Criteria Fire \/ CO Detector\u003c\/li\u003e\n\u003cli data-section-id=\"najxqn\" data-start=\"1804\" data-end=\"1860\"\u003e\n\u003cstrong data-start=\"1806\" data-end=\"1818\"\u003eSensors:\u003c\/strong\u003e Optical smoke, thermal, carbon monoxide\u003c\/li\u003e\n\u003cli data-section-id=\"13bgzt9\" data-start=\"1861\" data-end=\"1919\"\u003e\n\u003cstrong data-start=\"1863\" data-end=\"1889\"\u003eOperating Temperature:\u003c\/strong\u003e 32°F to 120°F (0°C to 49°C)\u003c\/li\u003e\n\u003cli data-section-id=\"1dg8asc\" data-start=\"1920\" data-end=\"1973\"\u003e\n\u003cstrong data-start=\"1922\" data-end=\"1945\"\u003eOperating Humidity:\u003c\/strong\u003e 10% to 95% non-condensing\u003c\/li\u003e\n\u003cli data-section-id=\"1ucmzca\" data-start=\"1974\" data-end=\"2117\"\u003e\n\u003cstrong data-start=\"1976\" data-end=\"2008\"\u003eMounting\/Base Compatibility:\u003c\/strong\u003e Compatible with Siemens detector bases including DB-11 \/ DB-11E family depending on application and region\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2119\" data-end=\"2137\"\u003e\u003cstrong data-start=\"2119\" data-end=\"2135\"\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2138\" data-end=\"2388\"\u003e\n\u003cli data-section-id=\"1dpmvt5\" data-start=\"2138\" data-end=\"2171\"\u003eCommercial fire alarm systems\u003c\/li\u003e\n\u003cli data-section-id=\"1gkcmk\" data-start=\"2172\" data-end=\"2235\"\u003eBuildings requiring combined smoke, heat, and CO monitoring\u003c\/li\u003e\n\u003cli data-section-id=\"15qiwz7\" data-start=\"2236\" data-end=\"2304\"\u003eService replacements for compatible Siemens Cerberus PRO systems\u003c\/li\u003e\n\u003cli data-section-id=\"q25ouy\" data-start=\"2305\" data-end=\"2388\"\u003eTelecom and specialized environments where enhanced sensitivity may be required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2390\" data-end=\"2411\"\u003e\u003cstrong data-start=\"2390\" data-end=\"2409\"\u003eImportant Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2412\" data-end=\"2689\"\u003e\n\u003cli data-section-id=\"15qr16d\" data-start=\"2412\" data-end=\"2520\"\u003ePlease verify compatibility with your specific Siemens fire alarm control panel and base before ordering\u003c\/li\u003e\n\u003cli data-section-id=\"dqyh0b\" data-start=\"2521\" data-end=\"2591\"\u003eDetector base is typically sold separately unless otherwise stated\u003c\/li\u003e\n\u003cli data-section-id=\"1g2st37\" data-start=\"2592\" data-end=\"2689\"\u003eProper programming and application should be confirmed by a qualified fire alarm professional\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fire Alarm Depot","offers":[{"title":"Default Title","offer_id":46908219228313,"sku":null,"price":265.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0226\/2145\/4408\/files\/Screenshot2026-03-27at2.31.33PM.png?v=1774636354","url":"https:\/\/firealarmdepot.com\/products\/siemens-oohc941-multi-criteria-detector-new","provider":"Fire Alarm Depot","version":"1.0","type":"link"}