{"product_id":"sd500-psda-silent-knight-addressable-single-action-pull-station","title":"SD500-PSDA | Silent Knight Addressable Single-Action Pull Station","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp\u003eThe Silent Knight SD500-PSDA Addressable Pull Station is a manual fire alarm initiating device designed for use in Silent Knight addressable fire alarm systems.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 99.9988%; height: 372.4px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.0425%; height: 19.6px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7911%; height: 19.6px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.0425%; height: 19.6px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7911%; height: 19.6px;\"\u003eSilent Knight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.0425%; height: 19.6px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7911%; height: 19.6px;\"\u003eFire Detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.0425%; height: 19.6px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7911%; height: 19.6px;\"\u003eSD500-PSDA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.0425%; height: 19.6px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7911%; height: 19.6px;\"\u003ePull Stations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.0425%; height: 19.6px;\"\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7911%; height: 19.6px;\"\u003eAddressable single-action fire alarm pull station\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.0425%; height: 19.6px;\"\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7911%; height: 19.6px;\"\u003eSD500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.0425%; height: 19.6px;\"\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7911%; height: 19.6px;\"\u003eAddressable signaling with IntelliKnight panels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.0425%; height: 19.6px;\"\u003e\u003cstrong\u003eActivation Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7911%; height: 19.6px;\"\u003eSingle-action (pull handle)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.0425%; height: 19.6px;\"\u003e\u003cstrong\u003eOptional Feature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7911%; height: 19.6px;\"\u003eBreak-glass rod for tamper resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.0425%; height: 19.6px;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7911%; height: 19.6px;\"\u003eCommercial, institutional, and industrial fire alarm systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.0425%; height: 19.6px;\"\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7911%; height: 19.6px;\"\u003eSilent Knight IntelliKnight control panels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.0425%; height: 19.6px;\"\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7911%; height: 19.6px;\"\u003eStandard single-gang electrical box mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.0425%; height: 19.6px;\"\u003e\u003cstrong\u003eTermination\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7911%; height: 19.6px;\"\u003eScrew terminal connections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.0425%; height: 19.6px;\"\u003e\u003cstrong\u003eHousing Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7911%; height: 19.6px;\"\u003eRugged fire-resistant enclosure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.0425%; height: 19.6px;\"\u003e\u003cstrong\u003eStandards\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7911%; height: 19.6px;\"\u003eUL Listed, NFPA compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.0425%; height: 19.6px;\"\u003e\u003cstrong\u003eOperating Environment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7911%; height: 19.6px;\"\u003eIndoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.0425%; height: 19.6px;\"\u003e\u003cstrong\u003eMaintenance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7911%; height: 19.6px;\"\u003eRoutine inspection and testing recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.0425%; height: 19.6px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7911%; height: 19.6px;\"\u003e0.8 lb (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003cspan style=\"font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About SD500-PSDA\u003c\/h4\u003e\n\u003cp\u003eThe SD500-PSDA is part of Silent Knight’s addressable initiating device series, built to integrate seamlessly with IntelliKnight control panels. It uses addressable technology to communicate precise activation status, allowing fire alarm systems to quickly identify the triggered location. The pull station features a rugged single-action design with a break-glass rod option for added security. Designed for commercial, institutional, and industrial buildings, the SD500-PSDA offers long-term reliability and code-compliant manual initiation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAddressable Technology: Provides unique identification to the fire alarm control panel for precise system response.\u003c\/li\u003e\n\u003cli\u003eSingle-Action Operation: Quick and simple activation mechanism for fast emergency signaling.\u003c\/li\u003e\n\u003cli\u003eDurable Construction: Built with robust materials for reliable performance in demanding environments.\u003c\/li\u003e\n\u003cli\u003eSystem Compatibility: Fully compatible with Silent Knight IntelliKnight series control panels.\u003c\/li\u003e\n\u003cli\u003eOptional Break-Glass Rod: Can be fitted for added tamper resistance and security.\u003c\/li\u003e\n\u003cli\u003eEasy Installation: Mounts to standard electrical boxes with accessible wiring terminals.\u003c\/li\u003e\n\u003cli\u003eUL Listed Compliance: Meets recognized fire safety standards for life safety applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe SD500-PSDA delivers the reliability and precision required for manual fire alarm initiation in addressable detection systems.\u003c\/p\u003e","brand":"Silent Knight","offers":[{"title":"Default Title","offer_id":49105204117760,"sku":"SD500-PSDA","price":598.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/SD500-PSDA.png?v=1785542497","url":"https:\/\/alotechparts.com\/products\/sd500-psda-silent-knight-addressable-single-action-pull-station","provider":"Alo Tech Solutions","version":"1.0","type":"link"}