{"product_id":"abb-ret3164-hesg448750m2-numerical-transformer-protection","title":"ABB RET316*4 HESG448750M2 Numerical Transformer Protection","description":"\u003ch3\u003e\nOverview\n\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eABB RET3164 HESG448750M2\u003c\/strong\u003e is a numerical relay designed for fast, selective protection of two- or three-winding power transformers. It also supports autotransformers and generator-transformer block units. Widely used in utility and industrial power distribution, it ensures reliable transformer protection, control, measurement, and supervision.\u003c\/p\u003e\n\u003carticle\u003e\n\u003ch3\u003e\nTechnical Specifications\n\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Transformer protection, control, measurement, and supervision\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Types:\u003c\/strong\u003e Differential, overcurrent, overvoltage, thermal overload, distance, overexcitation, frequency, breaker failure\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication Protocols:\u003c\/strong\u003e IEC 61850, IEC 60870-5-103, Modbus®, DNP3, Profibus DPV1 (via SPA-ZC 302)\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterfaces:\u003c\/strong\u003e 3 serial ports (local PC, station control system, process bus)\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Options:\u003c\/strong\u003e 19\" rack, surface, or flush mounting\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIngress Protection:\u003c\/strong\u003e IP20\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogic Functions:\u003c\/strong\u003e Multi-layer logic with timers, flip-flops, and custom schemes via PCM600 software\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUser Interface:\u003c\/strong\u003e Menu-driven CAP2\/316 software (Windows-based)\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 24 V DC\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −20°C to +55°C\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 135 mm (H) × 67.5 mm (W) × 28 mm (D)\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.5 kg\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/article\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":52756897202461,"sku":null,"price":9.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/5387\/3181\/files\/RET316-4-HESG448750M2_1000.jpg?v=1787207653","url":"https:\/\/www.6gcontrols.com\/products\/abb-ret3164-hesg448750m2-numerical-transformer-protection","provider":"6G Controls","version":"1.0","type":"link"}