{"product_id":"abb-ref611b-feeder-protection","title":"ABB REF611B Feeder Protection","description":"\u003ch3\u003e\u003cstrong\u003eTechnical Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB REF611B\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a specialized feeder protection relay from the Relion® 611 series, specifically engineered for the protection, control, and monitoring of utility and industrial distribution networks. This module addresses the requirements of various grounding systems, offering both directional and non-directional overcurrent and earth-fault protection.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDetailed Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB REF611B\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis built with the following industrial-grade specifications:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProtection Scope:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDedicated feeder protection with support for directional or non-directional logic.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEarth-Fault Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSelectable directional protection (for isolated or compensated networks) or non-directional (for directly or low-impedance earthed systems).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRelion® 611 Series (part of the 615 and 620 lineage).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNative support for IEC 61850 Editions 1 and 2, including high-speed binary GOOSE messaging.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundancy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOptional self-healing communication based on HSR (High-availability Seamless Redundancy) or PRP (Parallel Redundancy Protocol).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHardware Interface:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWeb-browser-based HMI for simplified configuration and an integrated I\/O matrix with visual selection tools.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Design:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCompact, withdrawable plug-in unit design to facilitate swift testing and maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput\/Output:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFlexible binary I\/O mapping for interlocking and signaling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eContinuous self-supervision of hardware and software internal systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplication \u0026amp; Engineering Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eREF611B\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis designed for maximum utility in both new-build substations and retrofit projects. Its compact footprint fits easily into space-constrained switchgear, while the withdrawable design allows for \"hot\" maintenance and testing without disturbing the primary wiring. By utilizing pre-configured application-specific solutions, engineers can deploy the relay for utility distribution or industrial power systems with minimal manual parameterization. Furthermore, the inclusion of GOOSE messaging enables the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eREF611B\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto participate in fast peer-to-peer communication schemes, such as busbar blocking or automated load shedding, without the need for extensive hardwiring between panels.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":47088402563262,"sku":"REF611B","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-05-11_11-00-37_5d0124d4-fdc1-4860-b81e-8baada655a6a.png?v=1778745818","url":"https:\/\/www.autooiltech.com\/products\/abb-ref611b-feeder-protection","provider":"AutoOilTech Limited","version":"1.0","type":"link"}