{"product_id":"abb-hesg448614r1-transformer-protection-numerical-relay","title":"ABB HESG448614R1 Transformer Protection Numerical Relay","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHESG448614R1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance numerical relay engineered to protect, monitor, and control power transformers in utility and industrial power systems. As a compact, all-in-one protection unit, it integrates multiple protection functions to ensure reliable transformer operation, reduce panel space, and simplify maintenance.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eABB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHESG448614R1\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNumerical Transformer Protection and Control Relay\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Supply:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e24 V DC standard\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e-20°C to +55°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIngress Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIP20\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting Options:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDIN rail or panel mount, horizontal or vertical orientation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions (HxWxD):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e135 × 67.5 × 28 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e~0.16 kg (Net), ~1.5 kg (Shipping)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSwitzerland \/ Sweden\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDifferential Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFast detection of internal winding faults.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOvercurrent \u0026amp; Earth Fault Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMulti-stage protection for both phase and ground faults.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Overload Monitoring:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProtects insulation by tracking transformer thermal conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVoltage \u0026amp; Frequency Supervision:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnsures safe transformer operation within electrical limits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBreaker Failure Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBackup tripping if primary circuit breaker fails.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRapid Fault Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSub-cycle detection minimizes damage and system downtime.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Grounding Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eConfigurations for both high- and low-impedance neutral grounding.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Logic Programming:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMulti-layer timers, flip-flops, and site-specific protection schemes via PCM600.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports IEC 61850 (Edition 2), IEC 60870-5-103, Modbus®, DNP3, Profibus for SCADA and substation integration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUtility Substations:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eReliable transformer protection in medium and high-voltage networks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIndustrial Power Systems:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSafeguards autotransformers, generator-transformer blocks, and distribution transformers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Plants:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMonitors transformer operation and prevents thermal or electrical overloads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCan\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHESG448614R1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esupport multiple transformer types?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYes, it protects two-winding, three-winding, and autotransformer configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIs it compatible with modern substation communication protocols?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYes, fully supports IEC 61850, Modbus®, DNP3, IEC 60870-5-103, and Profibus.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHow does it handle transformer inrush currents?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBuilt-in inrush restraint logic ensures stable operation without false trips.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44114270158947,"sku":"HESG448614R1","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/308ec23709872bfbfd2a2b975b121008_4126aaf2-ef73-42f4-9b5a-31e2c90c6014.jpg?v=1776128286","url":"https:\/\/precisemodule.com\/products\/abb-hesg448614r1-transformer-protection-numerical-relay","provider":"Precise Module Ltd.","version":"1.0","type":"link"}