{"product_id":"ref615a-abb-relion-615-series-feeder-protection-and-control-relay","title":"REF615A ABB Relion 615 Series Feeder Protection and Control Relay","description":"\u003ch2\u003eABB REF615A Feeder Protection and Control Relay\u003c\/h2\u003e\n\u003cp\u003eConfigured for feeder line supervision in medium-voltage distribution networks, the \u003cstrong\u003eABB REF615A\u003c\/strong\u003e (\u003cstrong\u003eREF615A\u003c\/strong\u003e Relion 615 Series) provides direct physical signal processing and breaker control execution.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eREF615\u003c\/td\u003e\n\u003ctd\u003eFeeder Protection IED base architecture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003ctd\u003eStandard variant for feeder protection and control applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eREF615A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eFinland \/ EU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e4.0 kg (Standard configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e177 mm x 222 mm x 202 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24–48 VDC or 110–240 VAC\/VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eIEC 61850, Modbus TCP\/RTU, DNP3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Class\u003c\/td\u003e\n\u003ctd\u003eIP54 (Front), IP20 (Rear)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eWithdrawable plug-in design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003ePLC Deterministic Networks and Firmware\u003c\/h3\u003e\n\u003cp\u003eThe REF615A integrates high-speed digital signal processing to facilitate deterministic GOOSE messaging over IEC 61850-8-1 networks. The internal firmware supports robust backplane bus communication velocity, allowing for sub-cycle logic execution required for protection interlocking and auto-reclosing sequences. The I\/O density scaling is achieved via modular binary input and output configurations, ensuring that control logic latency remains within defined limits for utility-grade feeder management. Firmware flash compatibility allows for field-level updates to communication protocol stacks and protection algorithms without requiring physical chassis replacement, ensuring long-term interoperability with modern substation automation platforms.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: Can the unit be withdrawn from the chassis while the feeder is energized?\u003c\/p\u003e\n\u003cp\u003eA: The REF615A features a withdrawable design, but primary current and voltage circuits must be properly isolated or shorted via test blocks before physical withdrawal to prevent unintended secondary-side arcing or open-CT conditions.\u003c\/p\u003e\n\u003cp\u003eQ: Is the unit compatible with existing legacy communication protocols?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the IED supports legacy connectivity including SPA and LON protocols, alongside modern Ethernet-based standards like IEC 61850 and Modbus TCP, enabling backward compatibility in retrofitted substations.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Ensure the rack-mount housing is securely installed in the switchgear panel. Verify that the unit is seated correctly in the cradle to ensure proper engagement of the rear terminal contacts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Connect the rear earthing screw to the substation ground busbar using a minimum 4 mm squared copper conductor. This is necessary to maintain the integrity of the electromagnetic compatibility (EMC) shielding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Use screened twisted-pair cables for communication interfaces. Terminate cable screens at the dedicated earthing point on the terminal block to reduce common-mode noise and prevent protocol conversion latencies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommissioning:\u003c\/strong\u003e Prior to setting the device in service, verify the status of binary inputs and ensure that the mimic diagrams on the graphical HMI correspond correctly to the physical position of the primary switchgear equipment.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":42915787538522,"sku":"REF615","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/54.1_0349f26b-f9e4-4f89-826a-5018c5c10787.jpg?v=1770864265","url":"https:\/\/www.spareoil.com\/products\/ref615a-abb-relion-615-series-feeder-protection-and-control-relay","provider":"SpareOil Automation","version":"1.0","type":"link"}