{"product_id":"abb-ret615-615-series-transformer-protection-relay-ied","title":"ABB RET615 615 Series Transformer Protection Relay IED","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRET615\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a dedicated transformer protection and control relay designed for two-winding power transformers, step-up transformers, and generator-transformer blocks in both utility and industrial power distribution systems. Part of ABB’s\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRelion® 615 series\u003c\/strong\u003e, it combines high-speed differential protection, integrated monitoring, and flexible communication interfaces in a compact, withdrawable unit.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Transformer Protection\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-speed three-phase differential protection with bias stabilization and instantaneous high-set stage for internal fault clearance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHarmonic blocking for 2nd and 5th harmonics to prevent nuisance trips during inrush or overexcitation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSensitive restricted earth fault (REF) protection with support for high-impedance and low-impedance neutral grounding.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Control \u0026amp; Monitoring\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eTap changer management with built-in Automatic Voltage Regulator (AVR) for on-load tap changers (OLTC).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDirect control of circuit breakers and disconnectors from HMI or remotely.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eArc flash detection with fast response using optional optical sensors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDigital Substation Communication\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSupports IEC 61850 Editions 1 and 2, including GOOSE messaging and Sampled Values (IEC 61850-9-2 LE).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNetwork redundancy via HSR and PRP protocols for uninterrupted communication.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with Modbus, DNP3, and IEC 60870-5-103 for flexible integration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMaintenance-Friendly Design\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eWithdrawable plug-in unit allows safe replacement without disconnecting field wiring; built-in CT shorting ensures safety.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLarge graphical display with customizable Single Line Diagram (SLD) accessible locally or via web browser.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompact footprint suitable for standard distribution transformers while providing extensive functionality.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eThermal \u0026amp; Condition Monitoring\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eThermal modeling of transformers for accurate overload protection and insulation longevity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThrough-fault energy tracking for predictive maintenance and life-cycle optimization.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth align=\"left\"\u003eFeature\u003c\/th\u003e\n\u003cth align=\"left\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eProtected Object\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eTwo-winding power transformers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eDifferential Response Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eTypically \u0026lt; 30 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eBinary I\/O\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eUp to 14 Inputs \/ 9 Outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eCommunication Ports\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eEthernet (Fiber or RJ45), RS-485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eSupported Protocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eIEC 61850, Modbus, DNP3, IEC 60870-5-103\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e-25°C to +55°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eHMI\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e5.2-inch graphical display, web-enabled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eProtection and control of utility and industrial power transformers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegration into digital substations with IEC 61850-based communication.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIdeal for two-winding transformers in distribution networks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePredictive maintenance through thermal and through-fault monitoring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is RET615 suitable for three-winding transformers?\u003c\/strong\u003e\u003cbr\u003eA: RET615 is optimized for two-winding transformers. For three-winding transformers, consider RET620 or RET670.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can it handle on-load tap changer control?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it includes an integrated Automatic Voltage Regulator for OLTC management.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does RET615 support IEC 61850 communication?\u003c\/strong\u003e\u003cbr\u003eA: Yes, including GOOSE messaging, Sampled Values, HSR, and PRP redundancy.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the relay be withdrawn safely without powering down the system?\u003c\/strong\u003e\u003cbr\u003eA: Yes, its plug-in design includes automatic CT shorting for safe maintenance.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44131185819747,"sku":"RET615","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/ABBRET615.jpg?v=1776760300","url":"https:\/\/precisemodule.com\/products\/abb-ret615-615-series-transformer-protection-relay-ied","provider":"Precise Module Ltd.","version":"1.0","type":"link"}