{"product_id":"abb-1mrk002266-aaro3-relay-card","title":"ABB|1MRK002266-AArO3|Relay  Card","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1MRK002266-AArO3\u003cspan\u003e,\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-density protection and control interface module belonging to the ABB Relion 670 series, specifically optimized for the REL670 transmission protection system. Identified by revision\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1MRK002266-AArO3\u003c\/strong\u003e, this relay card serves as a critical bridge between primary substation equipment and the intelligent electronic device (IED) logic. It is engineered to handle complex monitoring tasks, providing a combination of multi-channel analog acquisition and high-speed digital switching. Designed for the most demanding utility environments, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1MRK002266-AA (1MRK002266-AArO3)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensures high-fidelity signal processing and sub-2ms response times, which are vital for maintaining grid stability and protecting high-value assets.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1MRK002266-AA\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efeatures an extensive array of I\/O and communication capabilities to support modern digital substations.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnical Parameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Detail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eABB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e1MRK002266-AA\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eHardware Revision\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e1MRK002266-AArO3\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSeries Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRelion 670 \/ REL670 Line Distance Protection\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNominal Supply Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAnalog Inputs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8 Channels (0 – 10V measurement range)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDigital Outputs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 Channels (High-speed relay contacts)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eLogic Response Time\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt; 2 ms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2500V RMS\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEthernet (RJ45\/Fiber optic options), RS485\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSupported Protocols\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIEC 61850, Modbus RTU\/TCP\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-20°C to +70°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEMI\/EMC Compliance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIEC 61000-4 Standard Compliant\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eAdvanced Functional Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1MRK002266-AA (1MRK002266-AArO3)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis distinguished by its industrial-grade architecture and precise synchronization:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSub-Cycle Processing\u003c\/strong\u003e: With a response time of less than 2ms, this card allows the REL670 system to detect and initiate trip sequences faster than conventional mechanical relays.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Density I\/O Layout\u003c\/strong\u003e: The integration of 8 analog inputs and 16 digital outputs on a single card maximizes slot efficiency within the IED chassis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior Galvanic Isolation\u003c\/strong\u003e: A 2500V RMS isolation rating protects the sensitive microprocessor electronics from high-voltage transients and ground potential rises.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIEC 61850 Readiness\u003c\/strong\u003e: Native support for modern substation protocols allows for seamless peer-to-peer GOOSE messaging and station bus integration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplication Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWhile specifically utilized within the REL670 distance protection framework, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1MRK002266-AA\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis also compatible with other 670 series IEDs (such as RED670 or REC670) depending on the backplane configuration. It is primarily used for:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eTransmission line fault detection and distance relaying.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSynchrocheck and energizing check functions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-speed binary signaling for teleprotection schemes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44083654951011,"sku":"1MRK002266-AArO3","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/77.png?v=1774838873","url":"https:\/\/precisemodule.com\/products\/abb-1mrk002266-aaro3-relay-card","provider":"Precise Module Ltd.","version":"1.0","type":"link"}