{"product_id":"woodward-mri4a0ab-digital-protection-relay","title":"Woodward MRI4A0AB Digital Protection Relay","description":"\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWoodward MRI4A0AB\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a digital protection relay designed for accurate current monitoring and reliable protection in electrical power systems. It utilizes advanced digital signal processing to deliver fast response times, high measurement accuracy, and flexible configuration for a wide range of protection applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eAdvanced digital signal processing technology\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompact, rugged design for industrial environments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFlexible configuration for multiple protection functions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFast and reliable overcurrent and earth fault protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ch3\u003eElectrical Characteristics\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRated Current:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1 A or 5 A (selectable)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRated Frequency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e50\/60 Hz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOvercurrent Setting Range:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.5–20 × In\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTime Delay Range:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.1–20 s\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEarth Fault Current Range:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.01–2 × In\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAuxiliary Supply Voltage:\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e24–270 V DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e24–230 V AC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOutputs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Contacts:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e4 changeover contacts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eContact Rating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e250 V AC, 8 A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePerformance\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAccuracy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e±3% (current measurement)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eResponse Time:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u0026lt; 50 ms for overcurrent protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEnvironmental Conditions\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e-20°C to +70°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e-40°C to +85°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHumidity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUp to 95%, non-condensing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMechanical Data\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions (W × H × D):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e144 mm × 72 mm × 130 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.8 kg\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProtection Class:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIP54 (front panel)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommunication\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInterface:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOptional RS485 (Modbus protocol)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Woodward","offers":[{"title":"Default Title","offer_id":44235298439283,"sku":"MRI4A0AB","price":329.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/ldy_1.jpg?v=1768785159","url":"https:\/\/www.dcssupplier.com\/products\/woodward-mri4a0ab-digital-protection-relay","provider":"DcsSupplier Limited","version":"1.0","type":"link"}