{"product_id":"allen-bradley-81001-450-53-r-scr-drive-power-board","title":"Allen-Bradley 81001-450-53-R SCR Drive Power Board","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e81001-450-53-R\u003c\/strong\u003e is an \u003cstrong\u003eSCR drive power board\u003c\/strong\u003e manufactured by \u003cstrong\u003eAllen-Bradley (Rockwell Automation)\u003c\/strong\u003e for the \u003cstrong\u003ePowerFlex 7000 medium-voltage drive series\u003c\/strong\u003e. This board manages power conversion and SCR gate firing in three-phase AC motor control systems rated up to \u003cstrong\u003e460 VAC, 800 A, and 360 kW\u003c\/strong\u003e. It delivers precise phase-control rectification for variable speed applications in pumps, fans, compressors, and conveyors.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e 3-phase AC, 460 VAC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Current:\u003c\/strong\u003e 800 A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e 3-phase AC, 460 VAC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Current:\u003c\/strong\u003e 800 A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Rating:\u003c\/strong\u003e 360 kW\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency Range:\u003c\/strong\u003e 0 to 60 Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -40°C to +85°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -40°C to +90°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHumidity:\u003c\/strong\u003e 5% to 95% non-condensing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVibration:\u003c\/strong\u003e 0.8 mm peak-to-peak at 5 to 35 Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShock:\u003c\/strong\u003e 5 g, 11 ms\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.70 lbs (1.68 kg)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e PowerFlex 7000\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Power Capacity:\u003c\/strong\u003e 800 A \/ 360 kW ratings support large induction and synchronous motors in heavy industrial processes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSCR Phase Control:\u003c\/strong\u003e Precise gate firing angles regulate DC bus voltage for smooth acceleration and energy-efficient speed control.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRugged Industrial Design:\u003c\/strong\u003e Withstands 5 g shock and 0.8 mm vibration for reliable operation in mills, mines, and petrochemical plants.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Environmental Range:\u003c\/strong\u003e -40°C to +85°C operating temperature supports outdoor and uncontrolled enclosure installations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect PowerFlex Integration:\u003c\/strong\u003e Designed for plug-in compatibility with PowerFlex 7000 drive chassis, reducing commissioning time.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What drive family is the 81001-450-53-R designed for?\u003c\/strong\u003e\u003cbr\u003eA: The board is engineered for the \u003cstrong\u003eAllen-Bradley PowerFlex 7000 medium-voltage AC drive family\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this an IGCT or SCR-based power board?\u003c\/strong\u003e\u003cbr\u003eA: The 81001-450-53-R is an \u003cstrong\u003eSCR-based drive power board\u003c\/strong\u003e utilizing silicon-controlled rectifier technology for phase-controlled power conversion.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the board be repaired or must it be replaced as an assembly?\u003c\/strong\u003e\u003cbr\u003eA: The board is typically replaced as a \u003cstrong\u003ecomplete assembly\u003c\/strong\u003e to maintain factory calibration and safety clearances. Field repair of high-voltage power boards is not recommended.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePower down the \u003cstrong\u003ePowerFlex 7000 drive\u003c\/strong\u003e and verify lockout\/tagout on all power sources.\u003c\/li\u003e\n  \u003cli\u003eDischarge \u003cstrong\u003eDC bus capacitors\u003c\/strong\u003e using the manufacturer's recommended discharge procedure.\u003c\/li\u003e\n  \u003cli\u003eRemove the existing power board by releasing \u003cstrong\u003eretention clips and disconnecting gate leads\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eInstall the new 81001-450-53-R, ensuring all \u003cstrong\u003egate drive connectors and power bus bars\u003c\/strong\u003e are fully seated.\u003c\/li\u003e\n  \u003cli\u003eTorque power connections to \u003cstrong\u003emanufacturer specification\u003c\/strong\u003e and verify with a torque wrench.\u003c\/li\u003e\n  \u003cli\u003ePerform a \u003cstrong\u003einsulation resistance test\u003c\/strong\u003e at 1000 VDC before re-energizing the drive.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrive Matching:\u003c\/strong\u003e Verify your PowerFlex 7000 drive catalog number and horsepower rating to ensure the 800 A \/ 360 kW board is correctly sized.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Class:\u003c\/strong\u003e This board is rated for 460 VAC input\/output. For 2.3 kV or 4.16 kV drives, select the appropriate medium-voltage power board variant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpare Strategy:\u003c\/strong\u003e Maintain a spare power board on-site for PowerFlex 7000 drives, as power stage failures result in immediate process shutdown.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnvironmental Rating:\u003c\/strong\u003e For installations above 50°C ambient or below -20°C, verify drive derating curves and cabinet heating\/cooling requirements.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53993615655096,"sku":"81001-450-53-R","price":176.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/81001-450-52-R2_11db6dcb-5b17-4b10-80b5-b663a8aba257.jpg?v=1787814554","url":"https:\/\/www.globalpetroparts.com\/products\/allen-bradley-81001-450-53-r-scr-drive-power-board","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}