{"product_id":"ms-4-fire-lite-4-zone-conventional-fire-alarm-control-panel-120-vac","title":"MS-4 | Fire-Lite 4-Zone Conventional Fire Alarm Control Panel, 120 VAC","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"144\" data-end=\"396\"\u003eThe Fire-Lite MS-4 is a four-zone conventional fire alarm control panel designed for small to medium-sized applications requiring reliable fire detection and notification. It supports both 2-wire and 4-wire smoke detectors and includes programmable initiating circuits with built-in NAC synchronization for System Sensor, Wheelock, or Gentex devices.\u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 100%; height: 470.251px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.5229%; height: 19.5938px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.1108%; height: 19.5938px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.5229%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.1108%; height: 19.5938px;\"\u003eFire-Lite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.5229%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.1108%; height: 19.5938px;\"\u003eFire Alarm Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.5229%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.1108%; height: 19.5938px;\"\u003eMS-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.5229%; height: 19.5938px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.1108%; height: 19.5938px;\"\u003eFire Alarm Control Panels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.5229%; height: 19.5938px;\"\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.1108%; height: 19.5938px;\"\u003e120 VAC, 50\/60 Hz, 2.3 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 26.5229%; height: 39.1875px;\"\u003e\u003cstrong\u003eInitiating Circuits\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.1108%; height: 39.1875px;\"\u003eFour Style B zones (programmable for combo, supervisory, and waterflow)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 26.5229%; height: 39.1875px;\"\u003e\u003cstrong\u003eCompatible Devices\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.1108%; height: 39.1875px;\"\u003e2-wire and 4-wire smoke detectors (i3 Ready)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 26.5229%; height: 39.1875px;\"\u003e\u003cstrong\u003eNotification Appliance Circuits\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.1108%; height: 39.1875px;\"\u003eTwo NACs with built-in synchronization for System Sensor, Wheelock, Gentex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.5229%; height: 19.5938px;\"\u003e\u003cstrong\u003eNAC Silence\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.1108%; height: 19.5938px;\"\u003eSelectable silence feature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 26.5229%; height: 39.1875px;\"\u003e\u003cstrong\u003eUsable Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.1108%; height: 39.1875px;\"\u003e3.0 A total, expandable to 6.0 A with optional second transformer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 26.5229%; height: 39.1875px;\"\u003e\u003cstrong\u003eOptional Modules\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.1108%; height: 39.1875px;\"\u003e4XTMF transmitter, 4XLMF LED annunciator support, 4XZMF zone relay, NAC Class Converter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.5229%; height: 19.5938px;\"\u003e\u003cstrong\u003eTesting Features\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.1108%; height: 19.5938px;\"\u003eEZ Walk Test, Remote Maintenance Signal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 26.5229%; height: 39.1875px;\"\u003e\u003cstrong\u003eExpansion Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.1108%; height: 39.1875px;\"\u003eConverts all initiating zones and NACs to Class A with add-on module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.5229%; height: 19.5938px;\"\u003e\u003cstrong\u003eCabinet Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.1108%; height: 19.5938px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.5229%; height: 19.5938px;\"\u003e\u003cstrong\u003eCompliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.1108%; height: 19.5938px;\"\u003eUL Listed, NFPA 72 compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 26.5229%; height: 19.5938px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.1108%; height: 19.5938px;\"\u003e16.00 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003eMS-4\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe Fire-Lite MS-4 is a compact and cost-effective conventional fire alarm control panel designed for commercial, institutional, and light industrial applications. Featuring four Style B initiating circuits, it provides compatibility with both 2-wire and 4-wire smoke detectors and supports programming for supervisory, combo, or waterflow zones. The panel includes two NACs with built-in synchronization for leading notification appliance brands, making it simple to design fully compliant alarm systems. With options for expansion modules, the MS-4 allows for conversion of circuits to Class A, support for LED annunciators, and zone relay or transmitter integration, giving installers flexibility to meet diverse application needs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFour Initiating Zones: Supports 2- and 4-wire smoke detectors, with one zone programmable for supervisory, combo, or waterflow.\u003c\/li\u003e\n\u003cli\u003eBuilt-in NAC Synchronization: Compatible with System Sensor, Wheelock, and Gentex notification appliances.\u003c\/li\u003e\n\u003cli\u003eProgrammable NAC Silence: Selectable silence feature improves alarm management flexibility.\u003c\/li\u003e\n\u003cli\u003eExpandable Current Capacity: Provides 3.0 A of usable current, expandable to 6.0 A with a second transformer.\u003c\/li\u003e\n\u003cli\u003eModule Compatibility: Supports optional 4XTMF transmitter, 4XLMF LED annunciator interface, 4XZMF zone relay, and Class A converter.\u003c\/li\u003e\n\u003cli\u003eEZ Walk Test: Simplifies installation and maintenance with System Sensor i3 technology.\u003c\/li\u003e\n\u003cli\u003eRemote Maintenance Signal: Notifies when detectors require service, reducing downtime.\u003c\/li\u003e\n\u003cli\u003eClass A Conversion: Converts all initiating zones and NACs to Class A with optional module.\u003c\/li\u003e\n\u003cli\u003eDurable Cabinet Design: Includes cabinet with lock, key, and space for optional accessories.\u003c\/li\u003e\n\u003cli\u003eUL and NFPA Approved: Meets stringent safety and performance standards for compliance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe MS-4 delivers the reliability and precision required for small to mid-size fire alarm applications where robust functionality and easy expansion are essential.\u003c\/p\u003e","brand":"Fire-Lite","offers":[{"title":"Default Title","offer_id":49105215652096,"sku":"MS-4","price":1703.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/FL-MS4.jpg?v=1785542702","url":"https:\/\/alotechparts.com\/products\/ms-4-fire-lite-4-zone-conventional-fire-alarm-control-panel-120-vac","provider":"Alo Tech Solutions","version":"1.0","type":"link"}