{"product_id":"abb-1mrk000173-be-relion-670-transformer-input-module-8i-12o-trm","title":"ABB 1MRK000173-BE Relion 670 Transformer Input Module | 8I\/12O TRM","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB 1MRK000173-BE\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a precision\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTransformer Input Module (TRM)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edesigned for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRelion 670 series\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eof Intelligent Electronic Devices (IEDs), including RET670, REL670, and REC670. This module provides\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e8 binary inputs\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e10+2 output channels\u003c\/strong\u003e, enabling the monitoring of external switchgear signals and control of auxiliary devices.\u003c\/p\u003e\n\u003cp\u003eEngineered for high-reliability substation environments, it safely interfaces with high-voltage primary circuits via galvanically isolated inputs, ensuring accurate signal scaling for the IED’s internal electronics.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1MRK000173-BE\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econtains miniature transformers and isolation circuitry to convert high-level voltages and currents from instrument transformers (CTs and VTs) into signals compatible with IED processors. The \"-BE\" suffix identifies the input\/output configuration, while \"r00\" represents the initial hardware revision.\u003c\/p\u003e\n\u003cp\u003eThis module is the first stage in signal conditioning within Relion 670 IEDs, maintaining both electrical isolation and linear signal integrity.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003ePerformance Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eInput\/Output Configuration\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBinary Inputs:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e8 channels for conventional switch and pushbutton signals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOutputs:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e10+2 relay channels for controlling other system devices.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eElectrical Characteristics\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNominal Input Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e110–125 VDC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCurrent Consumption:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e~50 mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGalvanic Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHigh dielectric strength ensures protection from surges and faults.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAccuracy and Signal Handling\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eOptimized for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0.2 class measurement\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eaccuracy for both protection and metering applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports high linearity even during fault conditions up to 40× rated current.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFrequency range compatible with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e50\/60 Hz\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esystems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHardware Robustness\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eLow burden on external CTs and VTs prevents transformer saturation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThermal design tolerates short-term overloads and continuous operation within rated limits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompliance with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIEC 60255-1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIEC 61850\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003estandards ensures substation-grade reliability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth align=\"left\"\u003eFeature\u003c\/th\u003e\n\u003cth align=\"left\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eTransformer Input Module (TRM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eBinary Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e8 Channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eOutput Channels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e10+2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e110–125 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eCurrent Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e50 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eMeasurement Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e0.2 Class\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eFrequency Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eConnection Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eCompression or Ring-Lug Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e0.47 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eCompliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eIEC 60255-1, IEC 61850\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eInterfaces with CTs and VTs for voltage and current scaling in substations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMonitors switchgear auxiliary contacts and control circuits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuitable for protection, metering, and control within REL670, RET670, and REC670 IEDs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eMaintenance and Safety Note\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eNever remove the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1MRK000173-BE\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewhile the primary system is energized. Always short external CT circuits before service. Ensure the module’s rated current matches the PCM600 configuration to maintain protection accuracy.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhat is the primary function of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1MRK000173-BE\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodule?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIt scales high-voltage\/current signals from CTs and VTs to levels suitable for the IED while providing electrical isolation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHow many input\/output channels does it have?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e8 binary inputs and 10+2 output channels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIs it compatible with all Relion 670 IEDs?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYes, it supports RET670, REL670, and REC670 series.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCan it operate safely under fault conditions?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYes, the module maintains linearity up to 40× rated current and meets IEC standards for protection.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44130855092323,"sku":"1MRK000173-BCr00","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/ABB1MRK000173-BCr00-3.jpg?v=1776752814","url":"https:\/\/precisemodule.com\/products\/abb-1mrk000173-be-relion-670-transformer-input-module-8i-12o-trm","provider":"Precise Module Ltd.","version":"1.0","type":"link"}