{"product_id":"abb-ref611-feeder-protection-and-control","title":"ABB REF611 Feeder Protection and Control","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB REF611\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a specialized feeder protection and control device. It provides both directional and non-directional ground fault protection for diverse grid types. Directional protection is optimized for ungrounded or arc-suppression coil grids. Non-directional protection serves directly or low-impedance grounded systems. \u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRelion® 611.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProtection Types:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDirectional and Non-directional ground fault protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNetwork Compatibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRadial, Ring, Mesh, and Distributed Generation grids.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNative IEC 61850 (Editions 1 \u0026amp; 2) including GOOSE.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundancy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSelf-healing ring support via HSR and PRP functions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUser Interface:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWeb-based HMI with visual I\/O matrices.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWithdrawable (pull-out) design.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConfiguration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePre-configured for busbar, feeder, motor, and voltage applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features and Engineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVersatile Fault Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHandles complex grid grounding scenarios, ensuring sensitive fault detection regardless of the neutral point configuration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEfficient Commissioning:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePre-configured standard solutions allow engineers to skip complex logic programming and move straight to parameter input.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Networking:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHSR (High-availability Seamless Redundancy)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePRP\u003c\/strong\u003e, creating a self-healing communication ring that prevents data loss.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Web HMI:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures a powerful web interface with visual matrices, making it easy to map inputs and outputs without specialized software.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaintenance Friendly:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe pull-out design allows for \"hot-swap\" style maintenance where the relay core can be tested while the housing remains wired.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompact Footprint:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSpecifically sized to fit into small cabinets or crowded renovation panels where space is a premium.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46868949958846,"sku":"REF611","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-05-09_16-37-11.png?v=1778316921","url":"https:\/\/www.autooiltech.com\/products\/abb-ref611-feeder-protection-and-control","provider":"AutoOilTech Limited","version":"1.0","type":"link"}