{"product_id":"siemens-oh921","title":"Siemens OH921 Heat Detector","description":"\u003cp\u003eSiemens OH921 addressable heat detector for commercial fire alarm systems.\u003c\/p\u003e\n\u003ch3\u003eCompliance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUL 268\u003c\/li\u003e\n\u003cli\u003eUL 268A\u003c\/li\u003e\n\u003cli\u003eUL 521\u003c\/li\u003e\n\u003cli\u003eNFPA 72\u003c\/li\u003e\n\u003cli\u003eFM Approved\u003c\/li\u003e\n\u003cli\u003eCSFM\u003c\/li\u003e\n\u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOperating voltage 16–30 VDC for compatibility across Siemens addressable panel families\u003c\/li\u003e\n\u003cli\u003eOperating temperature range 32–100°F suitable for standard commercial occupancies\u003c\/li\u003e\n\u003cli\u003eHumidity tolerance 0–95% for reliable detection in varied environments\u003c\/li\u003e\n\u003cli\u003eLightweight at 0.317 lbs for easy ceiling or wall mounting on standard detector bases\u003c\/li\u003e\n\u003cli\u003eConnects to Cerberus PRO and FireFinder XLS signal line circuits as a single addressable point\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe OH921 is a Siemens addressable heat detector that integrates with Cerberus PRO and FireFinder XLS fire alarm control panels. It provides fixed-temperature and rate-of-rise thermal detection and is suitable for commercial, institutional, and industrial buildings where reliable heat sensing is required. The detector mounts on standard Siemens DB-series bases and communicates alarm and supervisory status to the panel via the signal line circuit.\u003c\/p\u003e\n\u003cp\u003eVerify panel\/device family compatibility before ordering.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":52004328702245,"sku":"OH921","price":47.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/7648\/4645\/files\/siemens-multi-criteria-detectors-default-title-siemens-oh921-s54320-f6-a2-replaces-hfpt-11-31896961220832.jpg?v=1771296685","url":"https:\/\/fastalarmdistribution.com\/products\/siemens-oh921","provider":"Fast Alarm Distribution","version":"1.0","type":"link"}