{"product_id":"sk-4-silent-knight-four-zone-conventional-fire-alarm-control-panel","title":"SK-4 | Silent Knight Four-Zone Conventional Fire Alarm Control Panel","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"396\" data-start=\"144\"\u003eThe Silent Knight SK-4 is a four-zone conventional fire alarm control panel that integrates modern microprocessor technology for reliable protection. It supports multiple module options for expanded functionality, including transmitters, interface modules, and zone relay modules.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 100%; height: 529.032px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.3754%; height: 19.5938px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.261%; 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: 30.3754%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.261%; height: 19.5938px;\"\u003eSilent Knight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.3754%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.261%; height: 19.5938px;\"\u003eFire Alarm Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.3754%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.261%; height: 19.5938px;\"\u003eSK-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.3754%; height: 19.5938px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.261%; height: 19.5938px;\"\u003eConventional Fire Alarm Control Panels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.3754%; height: 19.5938px;\"\u003e\u003cstrong\u003eInitiating Device Circuits\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.261%; height: 19.5938px;\"\u003eFour Class B (IDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 30.3754%; height: 39.1875px;\"\u003e\u003cstrong\u003eNotification Appliance Circuits\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.261%; height: 39.1875px;\"\u003eTwo Class B (NAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 30.3754%; height: 39.1875px;\"\u003e\u003cstrong\u003eSynchronization Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.261%; height: 39.1875px;\"\u003eSystem Sensor®, Gentex®, Wheelock® devices\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.3754%; height: 19.5938px;\"\u003e\u003cstrong\u003eRelays\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.261%; height: 19.5938px;\"\u003eForm C alarm, trouble, and supervisory relays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.3754%; height: 19.5938px;\"\u003e\u003cstrong\u003eZone Disable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.261%; height: 19.5938px;\"\u003eIndividual disable switches per zone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.3754%; height: 19.5938px;\"\u003e\u003cstrong\u003eWalk Test Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.261%; height: 19.5938px;\"\u003eSilent or audible operation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.3754%; height: 19.5938px;\"\u003e\u003cstrong\u003eModule Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.261%; height: 19.5938px;\"\u003eTransmitter, interface, and zone relay modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.3754%; height: 19.5938px;\"\u003e\u003cstrong\u003eBattery Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.261%; height: 19.5938px;\"\u003eSealed lead acid only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.3754%; height: 19.5938px;\"\u003e\u003cstrong\u003eBattery Charging Circuit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.261%; height: 19.5938px;\"\u003e27.6 VDC @ 0.8A max flat charge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 30.3754%; height: 39.1875px;\"\u003e\u003cstrong\u003eBattery Charging Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.261%; height: 39.1875px;\"\u003e18 AH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.3754%; height: 19.5938px;\"\u003e\u003cstrong\u003eBattery Size in Panel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.261%; height: 19.5938px;\"\u003e7 AH max (larger in RBB accessory cabinet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.3754%; height: 19.5938px;\"\u003e\u003cstrong\u003eCompatible Devices\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.261%; height: 19.5938px;\"\u003eSee SK document PN 52612\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 30.3754%; height: 39.1875px;\"\u003e\u003cstrong\u003eCabinet Backbox Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.261%; height: 39.1875px;\"\u003e14.5\" W x 15\" H x 3\" D (36.83 x 38.10 x 7.62 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 30.3754%; height: 39.1875px;\"\u003e\u003cstrong\u003eCabinet Door Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.261%; height: 39.1875px;\"\u003e14.677\" W x 15.342\" H x 0.375\" D (37.28 x 38.97 x 0.95 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.3754%; height: 19.5938px;\"\u003e\u003cstrong\u003eCabinet Color\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.261%; height: 19.5938px;\"\u003eRed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.3754%; height: 19.5938px;\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.261%; height: 19.5938px;\"\u003eStandard indoor FACP range (32°F to 120°F \/ 0°C to 49°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.3754%; height: 19.5938px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.261%; height: 19.5938px;\"\u003eApprox. 15 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003eSK-4\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe SK-4 is a Silent Knight four-zone conventional fire alarm control panel designed to provide dependable fire protection for small to medium facilities. It supports four Class B initiating device circuits, two Class B notification appliance circuits, and synchronization with System Sensor®, Gentex®, and Wheelock® devices. Optional transmitter, interface, and zone relay modules expand its functionality to support municipal tie-ins, remote annunciation, and additional relay outputs. With features like zone disable switches, Form C relays, and selectable silent or audible walk test functions, the SK-4 offers a practical, service-friendly solution for conventional fire alarm applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFour Initiating Circuits: Provides four Class B IDC circuits for smoke detectors, pull stations, and other initiating devices.\u003c\/li\u003e\n\u003cli\u003eTwo Notification Circuits: Includes two Class B NACs to power horns, strobes, and other notification appliances.\u003c\/li\u003e\n\u003cli\u003eSynchronization Compatibility: Supports synchronized output for System Sensor®, Gentex®, and Wheelock® notification appliances.\u003c\/li\u003e\n\u003cli\u003eRelay Outputs: Equipped with Form C alarm, trouble, and supervisory relays to integrate with auxiliary devices.\u003c\/li\u003e\n\u003cli\u003eZone Disable Control: Each zone includes a dedicated disable switch for easy maintenance and troubleshooting.\u003c\/li\u003e\n\u003cli\u003eWalk Test Functions: Offers both silent and audible walk test modes to simplify inspection and verification.\u003c\/li\u003e\n\u003cli\u003eExpandable Options: Supports transmitter modules for municipal tie-ins, interface modules for remote annunciators, and zone relay modules for expanded output capability.\u003c\/li\u003e\n\u003cli\u003eBattery Support: Charges sealed lead acid batteries up to 7 AH in-panel or 18 AH with external RBB cabinet for extended standby power.\u003c\/li\u003e\n\u003cli\u003eService-Friendly Design: Supervised annunciator wiring, fuseless overload protection, and trouble LEDs help minimize downtime.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe SK-4 delivers the reliability and precision required for conventional fire detection, zone management, and dependable notification in smaller facility applications.\u003c\/p\u003e","brand":"Silent Knight","offers":[{"title":"Default Title","offer_id":49105209884928,"sku":"SK-4","price":1866.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/Honeywell-SK-4-Fire-Alarm-Control-Panel-Module__S_1__99720.1752798726.jpg?v=1785542578","url":"https:\/\/alotechparts.com\/products\/sk-4-silent-knight-four-zone-conventional-fire-alarm-control-panel","provider":"Alo Tech Solutions","version":"1.0","type":"link"}