{"product_id":"schweitzer-engineering-sel-351s-protection-relay-ready-to-ship","title":"SEL-351S | Schweitzer Engineering Laboratories Digital Protection Relay for Power Systems","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"0\" data-end=\"451\"\u003eThe Schweitzer Engineering Laboratories SEL-351S is a digital protection relay designed for advanced power system protection and monitoring. It provides overcurrent, undervoltage, and additional protective functions to support reliable electrical network operation. This device is engineered for use in demanding industrial and utility environments.\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCircuit Breaker\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-351S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower Monitoring System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProtection System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDigital relay for overcurrent, undervoltage, and protection functions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 VDC, 48 VDC, 125 VDC, 250 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature Range\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\u003eStorage Temperature Range\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\u003eHumidity Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5% to 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower System Protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation Environment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIndustrial and Utility Systems\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-351S\u003c\/h4\u003e\n\u003cp data-start=\"590\" data-end=\"1074\" class=\"\"\u003eThe SEL-351S is part of Schweitzer Engineering Laboratories’ protection system solutions for power distribution and control applications. It is constructed as a rugged digital relay designed to perform precise fault detection and protective control functions. The relay integrates with a wide range of DC control power sources and interfaces with electrical protection schemes. It is typically used in industrial plants, substations, and power systems where dependable protection and system monitoring are required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-start=\"1085\" data-end=\"1102\"\u003eKey Features:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDigital Protection Relay: Provides electronic protection for electrical circuits and equipment.\u003c\/li\u003e\n\u003cli\u003eOvercurrent Protection: Detects and responds to abnormal current conditions.\u003c\/li\u003e\n\u003cli\u003eUndervoltage Monitoring: Identifies voltage drops that may impact system performance.\u003c\/li\u003e\n\u003cli\u003eMultiple Control Voltage Options: Supports a wide range of DC input voltages.\u003c\/li\u003e\n\u003cli\u003eWide Operating Temperature Range: Designed for reliable performance in extreme conditions.\u003c\/li\u003e\n\u003cli\u003eEnvironmental Resilience: Operates effectively across a broad humidity range.\u003c\/li\u003e\n\u003cli\u003ePower System Integration: Suitable for industrial and utility power protection schemes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe SEL-351S delivers the reliability and precision required for protecting and monitoring electrical power systems in critical applications.\u003c\/p\u003e","brand":"Schweitzer Engineering Laboratories","offers":[{"title":"Default Title","offer_id":49201717281066,"sku":"SEL-351S","price":879.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/SEL-351S.jpg?v=1725022966","url":"https:\/\/iqelectro.com\/products\/schweitzer-engineering-sel-351s-protection-relay-ready-to-ship","provider":"IQElectro","version":"1.0","type":"link"}