{"product_id":"allen-bradley-81004-286-52-r-powerflex-7000-400a-sgct-assembly-matched-pair","title":"Allen-Bradley 81004-286-52-R PowerFlex 7000 400A SGCT Assembly Matched Pair","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e81004-286-52-R\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a critical power semiconductor component specifically for the Allen-Bradley PowerFlex 7000 Medium Voltage (MV) Drive. This 400A Symmetrical Gate Commutated Thyristor (SGCT) assembly comes as a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMatched Pair\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto ensure balanced current distribution and synchronized switching across the drive's power modules. It manages high-power switching states to maintain precise motor control and energy efficiency in heavy-duty industrial applications. We supply this assembly in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econdition, meeting the stringent electrical tolerances required for medium voltage power electronics.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eComponent Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e400A SGCT Assembly (Symmetrical Gate Commutated Thyristor)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConfiguration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMatched Pair (Two synchronized units)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eApplication Compatibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePowerFlex 7000 Medium Voltage Drives\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e400 Amps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCategory:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDrive Power Electronics \/ Circuit Board\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eShipping Weight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e4.70 lbs (2.13 kg)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDrive Voltage Class:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMedium Voltage (MV)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe 81004-286-52-R solves high-power conversion challenges through precision matching and robust thermal engineering:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSynchronized Switching Performance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe \"Matched Pair\" designation ensures that both SGCTs exhibit nearly identical electrical characteristics. This synchronization prevents uneven current sharing, which typically leads to localized overheating and premature failure of the power bridge.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptimized Power Density:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 400A rating provides the necessary thermal and electrical headroom for high-torque applications. The assembly maintains low switching losses, reducing the overall heat load on the drive's liquid or air-cooling system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Integration for MV Systems:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis board integrates seamlessly into the existing PowerFlex 7000 gate driver architecture. Its mechanical layout ensures a secure fit within the power cell, facilitating high-pressure contact required for effective current transfer and heat dissipation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnhanced Drive Uptime:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eReplacing worn power semiconductors with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBrand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ematched assemblies eliminates the unpredictability of used or mismatched components. This proactive approach prevents catastrophic drive \"faults\" and ensures the longevity of the entire inverter section.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhy must I replace these as a \"Matched Pair\"?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMedium voltage drives require balanced electrical loads across all phases. If you install mismatched SGCTs, one unit may carry more current than the other, triggering overcurrent faults or damaging the power module due to thermal stress.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this part suitable for both air-cooled and liquid-cooled PowerFlex 7000 drives?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 81004-286-52-R primarily serves the 400A power structures found in PowerFlex 7000 frames. Always verify your drive's specific amperage and frame size against the technical manual to ensure compatibility.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat precautions should I take during installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePower electronics require strict adherence to torque specifications for mounting to the heatsink. Use a calibrated torque wrench and follow ESD (Electrostatic Discharge) safety protocols to prevent damaging the sensitive gate circuitry on the board.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a Brand New original component?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. We guarantee this 81004-286-52-R is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand original. In medium voltage applications, using new semiconductors is vital because internal degradation often remains invisible until the system operates under full load.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52769015169333,"sku":"81004-286-52-R","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/81004-286-52-R.jpg?v=1776754778","url":"https:\/\/www.5gplc.com\/products\/allen-bradley-81004-286-52-r-powerflex-7000-400a-sgct-assembly-matched-pair","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}