{"product_id":"abb-rej603-relion-self-powered-feeder-protection-relay","title":"ABB REJ603 | Relion Self-Powered Feeder Protection Relay","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe ABB\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eREJ603\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a specialized self-powered feeder protection relay belonging to the Relion 605 series family. Engineered for secondary distribution networks and small transformers, this intelligent unit operates completely independent of external auxiliary power supplies by harvesting operating energy directly from current transformer circuits. \u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e: ABB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel\u003c\/strong\u003e:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eREJ603\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Line\u003c\/strong\u003e: Relion 605 Series\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Architecture\u003c\/strong\u003e: Self-powered configuration via current transformer energy harvesting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAuxiliary Power Entry\u003c\/strong\u003e: USB port power capability for offline commissioning and programming\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGrid Grounding Types\u003c\/strong\u003e: Compatible with grounded, resistively grounded, and ungrounded networks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProtection Capabilities\u003c\/strong\u003e: Omnidirectional overcurrent, grounding, thermal overload, and inrush monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTripping Output\u003c\/strong\u003e: Low-energy trip output and bistable trip output lines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTiming Characteristics\u003c\/strong\u003e: Selectable definite-time and inverse-time delay parameters\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperator Interface\u003c\/strong\u003e: Optional integrated human-machine interface console\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLocal Diagnostics\u003c\/strong\u003e: Onboard manual reset electromechanical signal indicator plate\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eData Retrieval\u003c\/strong\u003e: Event logs and disturbance records accessible via front USB interface\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSystem Integrity\u003c\/strong\u003e: Integrated automatic continuous self-test routines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIndustrial Application Scenarios\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eInstallation within compact ring main units and gas-insulated secondary switchgears located in remote distribution networks where external auxiliary control power is unavailable.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDedicated overcurrent and grounding fault protection for small utility distribution transformers feeding rural or isolated industrial grids.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegration into municipal distribution rings utilizing low-energy trip coils to manage fast, reliable fault isolation with minimal hardware footprint\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":45025547223155,"sku":"REJ603","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-05-08_11-33-39_cd7a9f91-b8d3-4518-9d87-bed09f4653ae.png?v=1779421289","url":"https:\/\/www.dcssupplier.com\/products\/abb-rej603-relion-self-powered-feeder-protection-relay","provider":"DcsSupplier Limited","version":"1.0","type":"link"}