{"product_id":"siemens-7sj5311-4ea02-1aa0-ff-numerical-protection-relay","title":"Siemens 7SJ5311-4EA02-1AA0\/FF Numerical Protection Relay","description":"\u003ch3\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Siemens \u003cstrong\u003e7SJ5311-4EA02-1AA0\/FF\u003c\/strong\u003e is a SIPROTEC 7SJ531 series numerical protection relay designed for motor and feeder protection. It delivers fast fault detection, precise monitoring, and robust communication for industrial power systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e: 7SJ5311-4EA02-1AA0\/FF\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e: SIPROTEC 7SJ531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e: Siemens\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eProtection Functions\u003c\/strong\u003e: Overcurrent, short-circuit, earth fault, motor protection\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMeasured Values\u003c\/strong\u003e: Current, voltage, power, frequency\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eEnergy Metering\u003c\/strong\u003e: Tracks active and reactive energy\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCommunication Protocols\u003c\/strong\u003e: IEC 61850, MODBUS, DNP3\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e: LCD with status indicators\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e: 24–250 VDC \/ 80–230 VAC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e: 26.00 cm × 33.00 cm × 9.50 cm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e: 3.15 lbs\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e: CE, RoHS\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: Germany\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eAdvanced Protection Algorithms\u003c\/strong\u003e: Detects faults rapidly to minimize equipment damage\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMulti-Protocol Communication\u003c\/strong\u003e: Integrates easily into modern substation networks\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eUser-Friendly Interface\u003c\/strong\u003e: LCD display and keypad simplify configuration and diagnostics\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFlexible Application\u003c\/strong\u003e: Suitable for motors, feeders, and distribution systems\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eEvent Logging\u003c\/strong\u003e: Stores fault records and operational data for analysis\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eModular Design\u003c\/strong\u003e: Supports expansion and customization based on system needs\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eHigh Reliability\u003c\/strong\u003e: Built for continuous operation in demanding industrial environments\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":50847798264104,"sku":"7SJ5311-4EA02-1AA0\/FF","price":356.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/6266\/2184\/files\/7SJ5311-4EA02-1AA0FF.png?v=1761012599","url":"https:\/\/www.powerdcs.com\/products\/siemens-7sj5311-4ea02-1aa0-ff-numerical-protection-relay","provider":"Power DCS Parts Limited","version":"1.0","type":"link"}