{"product_id":"sel-700g-schweitzer-engineering-laboratories-generator-protection-and-control-relay","title":"SEL-700G | SEL Generator Protection and Control Relay","description":"\u003ch4\u003eDescription\u003c\/h4\u003e\n\u003cp\u003eThe SEL-700G Generator Protection Relay by Schweitzer Engineering Laboratories is an advanced multifunction relay designed for comprehensive protection, synchronization, and control of synchronous generators. It integrates generator protection, automatic synchronizing, and generator control into a single platform for utility and industrial power systems. The SEL-700G is suitable for small, medium, and large generators requiring high reliability and precise control.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSchweitzer Engineering Laboratories (SEL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower Protection Relays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSEL-700G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGenerator Protection Relays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelay Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGenerator Protection and Control Relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSynchronous Generators and Step-Up Transformers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5-inch Color Touchscreen (800 × 480)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection Functions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDifferential, Volts\/Hz, Synchronism Check, Islanding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Functions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic Generator Control, Autosynchronizer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Interfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEthernet and Serial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Protocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIEC 61850, DNP3, Modbus, IEEE C37.118\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e−40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUL Class I, Division 2; ATEX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 10 lb (4.5 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About SEL-700G\u003c\/h4\u003e\n\u003cp\u003eThe SEL-700G is part of SEL’s generator protection relay series engineered for demanding power generation applications. It features rugged industrial-grade construction with an extended operating temperature range and certifications for hazardous environments. The relay is compatible with synchronous generators and step-up transformers in utility intertie, cogeneration, and industrial power systems. Advanced technologies such as current differential protection, synchrophasor measurements, and flexible communication protocols support reliable protection, monitoring, and system integration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eComprehensive Generator Protection: Provides primary and backup protection for synchronous generators, including volts-per-hertz and synchronism-check elements.\u003c\/li\u003e\n\u003cli\u003eCurrent Differential Protection: Uses sensitive percentage-restrained and unrestrained differential elements to protect generators and step-up transformers.\u003c\/li\u003e\n\u003cli\u003eAutomatic Synchronizer: Built-in autosynchronizer replaces external synchronizing equipment and simplifies generator commissioning.\u003c\/li\u003e\n\u003cli\u003eIslanding Protection: Vector shift detection prevents out-of-synchronization reclosing with utility networks.\u003c\/li\u003e\n\u003cli\u003eBreaker Wear Monitoring: Tracks breaker operations and accumulated contact wear to support predictive maintenance.\u003c\/li\u003e\n\u003cli\u003eSynchrophasor Measurement: Supports IEEE C37.118-2005 compliant phasor data for system stability monitoring.\u003c\/li\u003e\n\u003cli\u003eAdvanced Communications: Supports Ethernet and serial protocols including IEC 61850, DNP3, Modbus, and PRP for redundant networking.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe SEL-700G delivers the reliability and precision required for generator protection, synchronization, and power system control applications.\u003c\/p\u003e","brand":"Schweitzer Engineering Laboratories","offers":[{"title":"Default Title","offer_id":51037196288298,"sku":"SEL-700G","price":3999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/s-l1600_3cf2df50-3c2d-4760-a992-c5434c590d84.webp?v=1768124851","url":"https:\/\/iqelectro.com\/products\/sel-700g-schweitzer-engineering-laboratories-generator-protection-and-control-relay","provider":"IQElectro","version":"1.0","type":"link"}