{"product_id":"liftmaster-la400dc-24vdc-primary-actuator-arm","title":"LiftMaster LA400DC 24VDC Replacement Primary Swing Gate Operator Actuator Arm","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eLiftMaster LA400DC 24VDC Replacement Primary Swing Gate Operator Actuator Arm\u003c\/h2\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong\u003eLiftMaster LA400DC 24VDC Replacement Primary Swing Gate Operator Actuator Arm\u003c\/strong\u003e is a genuine LiftMaster primary actuator designed for compatible \u003cstrong\u003eLA400 residential swing gate operator systems\u003c\/strong\u003e. It provides the powered linear actuator assembly responsible for opening and closing the primary gate leaf and is an ideal OEM replacement for an existing LA400 actuator that has become damaged, worn, or failed.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe LA400DC is designed to operate as the \u003cstrong\u003eprimary actuator\u003c\/strong\u003e within the LiftMaster LA400 24VDC residential linear actuator platform. In a single swing gate installation, the LA400DC operates the gate leaf as part of the compatible LA400 control system. In a properly configured dual swing gate installation, the LA400DC serves as the primary actuator while a compatible \u003cstrong\u003eLA400DCS secondary actuator\u003c\/strong\u003e operates the second gate leaf.\u003c\/p\u003e\n\u003cp\u003eThe LA400 platform is designed for residential vehicular swing gate applications and supports compatible gates up to \u003cstrong\u003e16 ft. long or 850 lbs.\u003c\/strong\u003e Gate construction, hinge condition, installation geometry, wind loading, hardware, and other site conditions must also be considered when evaluating an installation.\u003c\/p\u003e\n\u003cp\u003eFor an existing LA400 system where the control box, batteries, safety equipment, and other components remain serviceable, replacing only the actuator arm can provide a more targeted repair solution than replacing the complete LA400PKGUL operator package.\u003c\/p\u003e\n\u003ch2\u003eLiftMaster LA400DC Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eGenuine LiftMaster replacement actuator arm\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eModel \u003cstrong\u003eLA400DC\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e24VDC operation\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible \u003cstrong\u003eLiftMaster LA400 swing gate operator systems\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFunctions as the \u003cstrong\u003eprimary actuator\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSuitable for compatible single swing gate installations\u003c\/li\u003e\n\u003cli\u003eServes as the primary actuator in compatible dual LA400 systems\u003c\/li\u003e\n\u003cli\u003eResidential linear actuator design\u003c\/li\u003e\n\u003cli\u003eReplacement solution for a damaged, worn, or failed LA400 actuator\u003c\/li\u003e\n\u003cli\u003eIntegrates with compatible LA400 control equipment\u003c\/li\u003e\n\u003cli\u003ePart of the LA400 platform designed for compatible gates up to \u003cstrong\u003e16 ft. or 850 lbs.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOEM LiftMaster component for maintaining proper system compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e(1) LiftMaster LA400DC 24VDC Primary Actuator Arm\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This listing is for the \u003cstrong\u003eLA400DC primary actuator arm only\u003c\/strong\u003e. Control box, LA400DCS secondary actuator, batteries, solar equipment, access-control devices, monitored safety devices, and other gate operator components are not included unless specifically stated.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eLiftMaster LA400DC\u003c\/strong\u003e is designed for compatible \u003cstrong\u003eLiftMaster LA400 \/ LA400PKGUL residential swing gate operator systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eAlways verify the existing gate operator model, actuator model, and part number before ordering replacement equipment.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose the LiftMaster LA400DC?\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eLiftMaster LA400DC\u003c\/strong\u003e provides an OEM replacement option for an existing LA400 gate operator where the primary actuator requires replacement but the remainder of the system is still operational.\u003c\/p\u003e\n\u003cp\u003eRather than replacing the complete LA400PKGUL system when only the actuator assembly has failed, an installer or equipment owner can replace the appropriate actuator while retaining compatible existing control equipment, batteries, access-control equipment, and other system components.\u003c\/p\u003e\n\u003cp\u003eThe distinction between the two LA400 actuator models is especially important:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLA400DC = Primary Actuator\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLA400DCS = Secondary Actuator\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor a single swing gate, the LA400DC serves as the primary actuator. For a compatible dual swing gate, the LA400DC remains the primary actuator while the LA400DCS operates the second gate leaf.\u003c\/p\u003e\n\u003ch2\u003eLiftMaster LA400DC Frequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat is the LiftMaster LA400DC?\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eLiftMaster LA400DC is a 24VDC primary actuator arm\u003c\/strong\u003e designed for compatible LiftMaster LA400 residential swing gate operator systems.\u003c\/p\u003e\n\u003cp\u003eIt provides the mechanical movement required to open and close the primary gate leaf while working with the compatible LA400 control system.\u003c\/p\u003e\n\u003ch3\u003eIs the LA400DC a complete gate operator?\u003c\/h3\u003e\n\u003cp\u003eNo. The LA400DC is the \u003cstrong\u003eactuator arm only\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIt does not include the complete control box, batteries, access-control equipment, monitored safety equipment, or other components required for a complete automatic gate operator installation.\u003c\/p\u003e\n\u003ch3\u003eIs the LA400DC the primary actuator?\u003c\/h3\u003e\n\u003cp\u003eYes. The \u003cstrong\u003eLA400DC is the primary actuator\u003c\/strong\u003e in the LA400 system.\u003c\/p\u003e\n\u003cp\u003eFor a dual swing gate installation, the matching \u003cstrong\u003eLA400DCS secondary actuator\u003c\/strong\u003e is used to automate the second gate leaf.\u003c\/p\u003e\n\u003ch3\u003eWhat is the difference between LA400DC and LA400DCS?\u003c\/h3\u003e\n\u003cp\u003eTheir roles within the gate system are different:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLA400DC — Primary Actuator\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLA400DCS — Secondary Actuator\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe LA400DC is used as the primary actuator, while the LA400DCS is intended for the second gate leaf of a compatible dual LA400 installation.\u003c\/p\u003e\n\u003ch3\u003eWhat size gate is the LA400 platform designed for?\u003c\/h3\u003e\n\u003cp\u003eThe LA400 platform is designed for compatible residential swing gates up to \u003cstrong\u003e16 ft. long or 850 lbs.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eGate dimensions and weight are not the only considerations. Gate construction, hinges, installation geometry, wind loading, hardware, and other site conditions should also be evaluated.\u003c\/p\u003e\n\u003ch3\u003eIs the LA400DC 24VDC?\u003c\/h3\u003e\n\u003cp\u003eYes. The LA400 platform uses a \u003cstrong\u003e24VDC architecture\u003c\/strong\u003e, and the LA400DC is the primary actuator for the compatible system.\u003c\/p\u003e\n\u003ch3\u003eIs the LA400DC residential or commercial?\u003c\/h3\u003e\n\u003cp\u003eThe LA400 platform is designed primarily for \u003cstrong\u003eresidential vehicular swing gate applications\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor larger, heavier, or more demanding residential\/light-commercial swing gates, the \u003cstrong\u003eLiftMaster LA500\u003c\/strong\u003e platform may be the more appropriate option.\u003c\/p\u003e\n\u003ch3\u003eCan I replace only the actuator arm on my LA400?\u003c\/h3\u003e\n\u003cp\u003eYes, provided the actuator is the component requiring replacement and the remaining compatible LA400 equipment is still serviceable.\u003c\/p\u003e\n\u003cp\u003eThe system should be properly diagnosed before replacing components to determine whether the actuator itself is responsible for the problem.\u003c\/p\u003e\n\u003ch3\u003eDoes the LA400DC include a control box?\u003c\/h3\u003e\n\u003cp\u003eNo. This listing is for the \u003cstrong\u003eLA400DC primary actuator arm only\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe compatible LA400 control box and other required system equipment are separate unless specifically stated.\u003c\/p\u003e\n\u003ch3\u003eCan the LA400DC be used with a dual swing gate?\u003c\/h3\u003e\n\u003cp\u003eYes, as the \u003cstrong\u003eprimary actuator\u003c\/strong\u003e in a properly configured compatible LA400 dual swing gate system.\u003c\/p\u003e\n\u003cp\u003eThe second gate leaf uses the \u003cstrong\u003eLA400DCS secondary actuator\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eCan I use an LA400DCS instead of an LA400DC?\u003c\/h3\u003e\n\u003cp\u003eThe two actuator models serve different roles within the LA400 system. The \u003cstrong\u003eLA400DC is the primary actuator\u003c\/strong\u003e, while the \u003cstrong\u003eLA400DCS is the secondary actuator\u003c\/strong\u003e intended for compatible dual-gate installations.\u003c\/p\u003e\n\u003cp\u003eCustomers should verify which actuator requires replacement before ordering.\u003c\/p\u003e\n\u003ch3\u003eCan the LA400 platform be solar powered?\u003c\/h3\u003e\n\u003cp\u003eThe LA400 platform supports compatible solar configurations when properly equipped and sized.\u003c\/p\u003e\n\u003cp\u003eFor installations specifically centered around residential solar operation, the \u003cstrong\u003eLiftMaster LA412\u003c\/strong\u003e is LiftMaster's dedicated 12VDC residential solar linear actuator platform.\u003c\/p\u003e\n\u003ch3\u003eDoes replacing the actuator eliminate the need for safety devices?\u003c\/h3\u003e\n\u003cp\u003eNo. Replacing the actuator does not change the gate installation's entrapment-protection requirements.\u003c\/p\u003e\n\u003cp\u003eAppropriate monitored entrapment protection devices must be installed based on the gate configuration, identified entrapment zones, current LiftMaster installation instructions, applicable UL 325 requirements, and local codes.\u003c\/p\u003e\n\u003ch2\u003eLiftMaster LA400 Manuals \u0026amp; Resources\u003c\/h2\u003e\n\u003cp\u003eGatePoint Solutions provides applicable \u003cstrong\u003eLiftMaster LA400 installation manuals, wiring diagrams, product documentation, specifications, troubleshooting resources, and technical materials\u003c\/strong\u003e in the Resources section below.\u003c\/p\u003e\n\u003cp\u003eAlways reference current LiftMaster documentation when installing, servicing, programming, or troubleshooting an automatic gate operator.\u003c\/p\u003e\n\u003ch2\u003eLiftMaster LA400 Replacement Parts\u003c\/h2\u003e\n\u003cp\u003eNeed additional components for an existing LA400?\u003c\/p\u003e\n\u003cp\u003eShop our complete selection of \u003cstrong\u003eLiftMaster LA400PKGU\/UL Replacement Parts\u003c\/strong\u003e, including control boards, actuator components, batteries, harnesses, brackets, control-box components, electrical components, hardware, and other service parts.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(215, 38, 30);\"\u003e\u003ca href=\"https:\/\/gatepointsolutions.com\/collections\/liftmaster-la400-replacement-parts\" target=\"_blank\" title=\"LiftMaster LA400PKGU\/UL Replacement Parts\" style=\"color: rgb(215, 38, 30);\" rel=\"noopener\"\u003e\u003cstrong\u003eShop LiftMaster LA400PKGU\/UL Replacement Parts →\u003c\/strong\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eNeed the secondary actuator for a dual gate?\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(215, 38, 30);\"\u003e\u003ca href=\"https:\/\/gatepointsolutions.com\/products\/liftmaster-la400dcs-residential-24vdc-actuator-secondary-arm-only?_pos=1\u0026amp;_sid=d3c96282c\u0026amp;_ss=r\" target=\"_blank\" title=\"LiftMaster LA400DCS 24VDC Replacement Secondary Swing Gate Operator Actuator Arm\" style=\"color: rgb(215, 38, 30);\" rel=\"noopener\"\u003e\u003cstrong\u003eLiftMaster LA400DCS 24VDC Replacement Secondary Swing Gate Operator Actuator Arm →\u003c\/strong\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eResources:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"line-height: normal; font-weight: bold; color: rgb(215, 38, 30);\"\u003e\u003cspan style=\"color: rgb(215, 38, 30);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0725\/2394\/0015\/files\/LiftMaster_LA400PKGUL_LA400DC_LA400DCS_Installation_Manual.pdf?v=1778602515\" title=\"LiftMaster LA400DC Installation Manual\" style=\"color: rgb(215, 38, 30);\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eLiftMaster LA400DC Installation Manual\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"line-height: normal; font-weight: bold; color: rgb(215, 38, 30);\"\u003e\u003cspan style=\"color: rgb(215, 38, 30);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0725\/2394\/0015\/files\/LiftMaster_LA400PKGUL_Product_Guide.pdf?v=1778602514\" title=\"LiftMaster LA400DC Product Guide\" style=\"color: rgb(215, 38, 30);\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eLiftMaster LA400DC Product Guide\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"line-height: normal; font-weight: bold; color: rgb(215, 38, 30);\"\u003e\u003cspan style=\"color: rgb(215, 38, 30);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0725\/2394\/0015\/files\/LiftMaster_LA400DC_LA412DC_Arm_Product_Drawing.pdf?v=1778599970\" title=\"LiftMaster LA400DC Product Drawing\" style=\"color: rgb(215, 38, 30);\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eLiftMaster LA400DC Product Drawing\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"line-height: normal; font-weight: bold; color: rgb(215, 38, 30);\"\u003e\u003cspan style=\"color: rgb(215, 38, 30);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0725\/2394\/0015\/files\/LiftMaster_LA400DC_Operator_Accessory_Site_Plan.pdf?v=1778602524\" title=\"LiftMaster LA400DC Site Plan\" style=\"color: rgb(215, 38, 30);\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eLiftMaster LA400DC Site Plan\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"LiftMaster","offers":[{"title":"Default Title","offer_id":46512103653551,"sku":"GPS-LM-LA400DC","price":519.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/2394\/0015\/files\/LiftMaster_LA400DC_LA400DCS_LA412DC_LA412DCS_GatePoint_Solutions.jpg?v=1778876139","url":"https:\/\/gatepointsolutions.com\/products\/liftmaster-la400dc-24vdc-primary-actuator-arm","provider":"GatePoint Solutions","version":"1.0","type":"link"}