{"product_id":"gk231-fr-gk231-electric-release-lock-latch-strike-rim","title":"GK231-L \/ GK231-R \/ FR-GK231-L \/ FR-GK231-R Electric Release Lock (Rim Strike)","description":"\u003ch1\u003eGK231-L \/ GK231-R \/ FR-GK231-L \/ FR-GK231-R Electric Release Lock (Rim Strike)\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eGK231 Series Electric Release Lock\u003c\/strong\u003e is a compact electric strike designed for use with \u003ca href=\"https:\/\/www.smartaccesssolutions.uk\/pages\/access-control\" title=\"Access Control Systems\"\u003eaccess control systems\u003c\/a\u003e, \u003ca href=\"https:\/\/www.smartaccesssolutions.uk\/pages\/intercom-systems\" title=\"Door Entry Systems\"\u003edoor entry systems\u003c\/a\u003e, \u003ca href=\"https:\/\/www.smartaccesssolutions.uk\/pages\/intercom-systems\" title=\"Intercom Systems\"\u003eintercoms\u003c\/a\u003e, and \u003ca href=\"https:\/\/www.smartaccesssolutions.uk\/pages\/locking-devices\" title=\"Electric Locking\"\u003eelectronic locking\u003c\/a\u003e applications. Suitable for commercial, industrial, educational, healthcare, and public sector environments, it provides reliable remote door release whilst maintaining secure access control.\u003c\/p\u003e\n\u003cp\u003eAn electric strike, also known as a rim strike, electric release, or latch release, is installed within the door frame and operates in conjunction with a compatible lock or latch. When activated, the strike mechanism releases the latch, allowing the door to be opened without manual unlocking. Once the door closes, the latch automatically re-engages to restore security.\u003c\/p\u003e\n\u003cp\u003eManufactured from durable stainless steel, the GK231 Series offers fail-safe operation, a holding force of up to \u003cstrong\u003e1500lbs\u003c\/strong\u003e, and side load resistance of up to \u003cstrong\u003e500lbs\u003c\/strong\u003e. The range is available in both left-hand and right-hand configurations to suit different door and frame arrangements. FR-GK231 fire-rated versions are also available for compatible fire door applications.\u003c\/p\u003e\n\u003cp\u003eThe FR-GK231-L and FR-GK231-R fire-rated versions are designed for compatible fire door installations and are supplied with a 1-hour UK fire certificate.\u003c\/p\u003e\n\u003ch2\u003eAvailable Models\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGK231-L - \u003c\/strong\u003eLeft Hand Electric Release Lock (Rim Strike)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGK231-R - \u003c\/strong\u003eRight Hand Electric Release Lock (Rim Strike)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFR-GK231-L - \u003c\/strong\u003eFire Rated Left Hand Electric Release Lock (Rim Strike)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFR-GK231-R - \u003c\/strong\u003eFire Rated\u003cstrong\u003e \u003c\/strong\u003eRight Hand Electric Release Lock (Rim Strike)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eElectric release lock (rim strike)\u003c\/li\u003e\n\u003cli\u003eOperating voltage 12VDC or 24VDC\u003c\/li\u003e\n\u003cli\u003eFail-safe operation\u003c\/li\u003e\n\u003cli\u003eHolding force up to 1500lbs\u003c\/li\u003e\n\u003cli\u003eSide load resistance up to 500lbs\u003c\/li\u003e\n\u003cli\u003eFire resistant construction\u003c\/li\u003e\n\u003cli\u003e1-hour UK fire certificate\u003c\/li\u003e\n\u003cli\u003eAvailable in left-hand and right-hand versions\u003c\/li\u003e\n\u003cli data-section-id=\"fn6tjf\" data-start=\"1962\" data-end=\"1993\"\u003eFire-rated versions available\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1jr1l1r\" data-start=\"1994\" data-end=\"2046\"\u003eFR models supplied with 1-hour UK fire certificate\u003c\/li\u003e\n\u003cli\u003eStainless steel construction\u003c\/li\u003e\n\u003cli\u003eSuitable for access control systems\u003c\/li\u003e\n\u003cli\u003eReliable remote door release operation\u003c\/li\u003e\n\u003cli\u003eCompact design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAccess control systems\u003c\/li\u003e\n\u003cli\u003eDoor entry systems\u003c\/li\u003e\n\u003cli\u003eIntercom systems\u003c\/li\u003e\n\u003cli\u003eCommercial buildings\u003c\/li\u003e\n\u003cli\u003eOffice entrances\u003c\/li\u003e\n\u003cli\u003eEducational facilities\u003c\/li\u003e\n\u003cli\u003eHealthcare environments\u003c\/li\u003e\n\u003cli\u003ePublic buildings\u003c\/li\u003e\n\u003cli\u003eStaff access doors\u003c\/li\u003e\n\u003cli\u003eSecurity-controlled doors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThe GK231 is designed to integrate with a wide range of access control and door security equipment.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.smartaccesssolutions.uk\/pages\/access-control\" title=\"Access Control Systems\"\u003eAccess control systems\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.smartaccesssolutions.uk\/pages\/intercom-systems\" title=\"Door Entry Systems\"\u003eDoor entry systems\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.smartaccesssolutions.uk\/pages\/intercom-systems\" title=\"Intercom Systems\"\u003eIntercom systems\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.smartaccesssolutions.uk\/collections\/electric-latch-release-strike-rim-ansi\" title=\"Electric Strike Locks\"\u003eRim locks\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.smartaccesssolutions.uk\/collections\/keypad-proximity-bluetooth-reader-door-entry-access-security\" title=\"Keypad Entry Systems\"\u003eKeypad entry systems\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.smartaccesssolutions.uk\/collections\/proximity-reader-keypad-bluetooth\/Proximity\" title=\"Proximity Card Readers\"\u003eProximity card readers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eBuilding management systems\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.smartaccesssolutions.uk\/pages\/additional-equipment\" title=\"Power Supplies (PSU)\"\u003ePower supplies\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eDoor monitoring systems\u003c\/li\u003e\n\u003cli\u003eSecurity control systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specification\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Electric Release Lock (Rim Strike)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 12VDC or 24VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Fail-Safe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLatch Throw:\u003c\/strong\u003e 15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHolding Force:\u003c\/strong\u003e Up to 1500lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSide Load Resistance:\u003c\/strong\u003e Up to 500lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHanding:\u003c\/strong\u003e Left-Hand or Right-Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire Certification:\u003c\/strong\u003e 1-Hour UK Fire Certificate (FR Models Only)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"2790\" data-end=\"2837\"\u003eFire Testing: \u003c\/strong\u003eBS EN 1634-1 (FR Models Only)\u003cbr data-start=\"2837\" data-end=\"2840\"\u003e\u003cstrong data-start=\"2840\" data-end=\"2919\"\u003eFire Door Suitability: \u003c\/strong\u003eCompatible FD30 and FD60 fire doors (FR Models Only)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 141mm x 23mm x 40mm (H x W x D)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0018\/6698\/9679\/files\/GK231M.pdf?3436594019486222819\" title=\"GK231M Lock Product Information\"\u003eGK231 Product Information\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0018\/6698\/9679\/files\/FR-GK231M-R.pdf?v=1784121967\" title=\"FR-GK231M Product Information\"\u003eFR-GK231 Product Information\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca title=\"GK231 Series Handing Guide\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0018\/6698\/9679\/files\/GK231-Handing-Guide.pdf?v=1784123618\"\u003eGK231 Series Handing Guide\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eGK231 Series\u003c\/strong\u003e Electric Release Locks provide a reliable and compact door release solution for access control installations requiring fail-safe operation, high holding force, and left-hand or right-hand configuration options. Manufactured from durable stainless steel and capable of operating under side loads of up to 500lbs, the range is suitable for demanding commercial and industrial door security applications. \u003cstrong\u003eFR-GK231 fire-rated\u003c\/strong\u003e versions are also available for compatible fire door installations requiring certified fire-resistant performance.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat is the GK231 used for?\u003c\/h3\u003e\n\u003cp\u003eThe GK231 is used to provide remote door release in access control, door entry, and intercom systems whilst maintaining secure locking.\u003c\/p\u003e\n\u003ch3\u003eWhat is a rim strike?\u003c\/h3\u003e\n\u003cp\u003eA rim strike, also known as an electric release lock or latch release, is installed in the door frame and releases a compatible latch when activated electronically.\u003c\/p\u003e\n\u003ch3\u003eIs the GK231 available in different handing options?\u003c\/h3\u003e\n\u003cp\u003eYes. The GK231 is available in both left-hand and right-hand versions to suit different door and frame configurations. Please select the appropriate handing when ordering.\u003c\/p\u003e\n\u003ch3 class=\"PDq2pG_selectionAnchorContainer\" data-end=\"3634\" data-start=\"3565\"\u003eWhat is the difference between the GK231 and FR-GK231 versions?\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-end=\"3887\" data-start=\"3636\"\u003eThe GK231-L and GK231-R are the standard left-hand and right-hand electric release locks. The FR-GK231-L and FR-GK231-R are the fire-rated versions, designed for compatible fire door applications and supplied with a 1-hour UK fire certificate.\u003c\/p\u003e\n\u003ch3\u003eIs the GK231 fail-safe?\u003c\/h3\u003e\n\u003cp\u003eYes. The GK231 is a fail-safe electric release lock, meaning it releases when power is removed.\u003c\/p\u003e\n\u003ch3\u003eWhat voltage does the GK231 operate on?\u003c\/h3\u003e\n\u003cp\u003eThe GK231 operates on either 12VDC or 24VDC power supplies.\u003c\/p\u003e\n\u003ch3\u003eWhat holding force does the GK231 provide?\u003c\/h3\u003e\n\u003cp\u003eThe GK231 provides a holding force of up to 1500lbs.\u003c\/p\u003e\n\u003ch3\u003eWhat is the side load rating?\u003c\/h3\u003e\n\u003cp\u003eThe strike can operate under side loads of up to 500lbs.\u003c\/p\u003e\n\u003ch3 data-start=\"3959\" data-end=\"4011\" class=\"PDq2pG_selectionAnchorContainer\"\u003eAre fire-rated versions of the GK231 available?\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"4013\" data-end=\"4172\"\u003eYes. The FR-GK231-L and FR-GK231-R are fire-rated versions designed for compatible fire door applications and supplied with a 1-hour UK fire certificate.\u003cstrong data-start=\"3959\" data-end=\"4011\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eWhat material is the GK231 manufactured from?\u003c\/h3\u003e\n\u003cp\u003eThe GK231 is manufactured from durable stainless steel for long-term reliability.\u003c\/p\u003e","brand":"GEM","offers":[{"title":"GK231-L (Left hand lock)","offer_id":12910096613487,"sku":"GK231-L","price":245.85,"currency_code":"GBP","in_stock":true},{"title":"GK231-R (Right hand lock)","offer_id":12910118862959,"sku":"GK231-R","price":245.85,"currency_code":"GBP","in_stock":true},{"title":"FR-GK231-L (Fire Rated Left hand lock)","offer_id":57304373690743,"sku":"FR-GK231-L","price":262.45,"currency_code":"GBP","in_stock":true},{"title":"FR-GK231-R (Fire Rated Right hand lock)","offer_id":57304373723511,"sku":"FR-GK231-R","price":262.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0018\/6698\/9679\/files\/gk231-l-gk231-r-handed-electric-release-lock-rim-strike.jpg?v=1784124799","url":"https:\/\/www.smartaccesssolutions.uk\/products\/gk231-fr-gk231-electric-release-lock-latch-strike-rim","provider":"Smart Access Solutions Ltd","version":"1.0","type":"link"}