{"product_id":"simplex-252-017-switch-key","title":"Simplex 252-017 Legacy Auxiliary Module for Simplex Fire Alarm Panels","description":"\u003cp\u003eThe Simplex 252-017 is a legacy auxiliary key-switch assembly for older Simplex fire alarm control panels, used for operator key control functions on installed systems.\u003c\/p\u003e\n\u003ch3\u003eCompliance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for use within UL 864 listed Simplex fire alarm control panel assemblies\u003c\/li\u003e\n\u003cli\u003eNFPA 72 National Fire Alarm and Signaling Code installations\u003c\/li\u003e\n\u003cli\u003eFM Approved system context (panel dependent)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAuxiliary key-switch component for legacy Simplex panel front plates and controls\u003c\/li\u003e\n\u003cli\u003eProvides keyed operator control such as enable, reset, or access functions\u003c\/li\u003e\n\u003cli\u003eMounts in the original control position within the host panel or enclosure\u003c\/li\u003e\n\u003cli\u003eIntended for repair, retrofit, and like-for-like replacement on installed systems\u003c\/li\u003e\n\u003cli\u003eSpecified by Simplex part number to match the panel revision in service\u003c\/li\u003e\n\u003cli\u003eUsed in commercial and institutional buildings running earlier Simplex platforms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKey-switch assemblies give panel operators a physical, keyed control over functions that should be restricted to trained personnel, limiting casual access and tampering at the panel. On older Simplex platforms these assemblies are matched by part number to the front-plate layout and wiring of a specific panel generation. Replacing the assembly restores the original control function without reworking the panel or its listing.\u003c\/p\u003e\n\u003cp\u003eVerify panel and device family compatibility before ordering.\u003c\/p\u003e","brand":"Simplex","offers":[{"title":"Default Title","offer_id":52004377067813,"sku":"252-017","price":9.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/7648\/4645\/files\/PGTBackground_ff88b793-288b-4e5a-a739-33002d414b50.webp?v=1771303178","url":"https:\/\/fastalarmdistribution.com\/products\/simplex-252-017-switch-key","provider":"Fast Alarm Distribution","version":"1.0","type":"link"}