{"product_id":"allen-bradley-81001-450-52-r-powerflex-700-sgct-thyristor-service-kit","title":"Allen-Bradley 81001-450-52-R PowerFlex 700 SGCT Thyristor Service Kit","description":"\u003ch2\u003eAllen-Bradley 81001-450-52-R PowerFlex 700 SGCT Thyristor Service Kit\u003c\/h2\u003e\n\u003cp\u003eConfigured as an \u003cstrong\u003eAllen-Bradley 81001-450-52-R\u003c\/strong\u003e (\u003cstrong\u003e81001-450-52-R\u003c\/strong\u003e SGCT thyristor service kit), the component provides a matched pair of SGCT thyristors for PowerFlex 700 drive power-stage service. The supplied product data identifies an 800 A packaged matched set. Independent product references also identify this catalog number as a PowerFlex 700 SGCT matched set.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e81001-450-52-R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eSGCT Thyristor Service Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Series\u003c\/td\u003e\n\u003ctd\u003ePowerFlex 700\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComponent Configuration\u003c\/td\u003e\n\u003ctd\u003eMatched SGCT set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackaged Quantity\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e800 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eService Function\u003c\/td\u003e\n\u003ctd\u003eThyristor replacement service kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e8.55 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling Method\u003c\/td\u003e\n\u003ctd\u003eSystem-dependent; installation follows the host drive power-stage cooling arrangement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Rating\u003c\/td\u003e\n\u003ctd\u003eNot specified for the individual service kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003eThe 800 A rating and packaged quantity are independently listed for catalog number 81001-450-52-R.\u003c\/p\u003e\n\u003ch3\u003eSGCT Power-Stage Integration\u003c\/h3\u003e\n\u003cp\u003eThe 81001-450-52-R is identified as a matched set of SGCT thyristors associated with PowerFlex 700 drive power stages.\u003c\/p\u003e\n\u003cp\u003eThe matched configuration is intended to maintain the specified semiconductor pairing within the applicable power-stage circuit. Replacement should preserve the original electrical connection, mechanical mounting, thermal interface, and gate-drive arrangement.\u003c\/p\u003e\n\u003cp\u003eNo unsupported input-voltage, output-power, efficiency, or control-board specifications should be assigned to this component because the available product references identify it as a thyristor service kit rather than a standalone power supply.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: Is the 81001-450-52-R a complete AC drive?\u003c\/p\u003e\n\u003cp\u003eA: No. It is identified as an SGCT thyristor service kit for PowerFlex 700 drive power-stage applications.\u003c\/p\u003e\n\u003cp\u003eQ: How many SGCT devices are included?\u003c\/p\u003e\n\u003cp\u003eA: The product is specified as a packaged matched set of two SGCT thyristors.\u003c\/p\u003e\n\u003cp\u003eQ: What current rating is associated with this matched set?\u003c\/p\u003e\n\u003cp\u003eA: The listed current rating is 800 A.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eIsolate and lock out the host drive before accessing the power stage or removing semiconductor components.\u003c\/li\u003e\n\u003cli\u003eVerify the installed component number against the replacement part number before mechanical installation.\u003c\/li\u003e\n\u003cli\u003eFollow the host PowerFlex drive service procedure for bus discharge verification and semiconductor replacement.\u003c\/li\u003e\n\u003cli\u003ePreserve the original electrical polarity, gate-drive connections, mounting orientation, and mechanical fastening arrangement.\u003c\/li\u003e\n\u003cli\u003eInspect mating power terminals and semiconductor contact surfaces for contamination, oxidation, mechanical damage, or overheating.\u003c\/li\u003e\n\u003cli\u003eMaintain the specified thermal interface and heatsink contact condition required by the host drive assembly.\u003c\/li\u003e\n\u003cli\u003eRoute gate-control wiring separately from high-current switching conductors where the original drive construction permits such separation.\u003c\/li\u003e\n\u003cli\u003eKeep semiconductor power connections mechanically secure and free from loose conductive debris.\u003c\/li\u003e\n\u003cli\u003eVerify all connections before restoring DC bus voltage or enabling the drive.\u003c\/li\u003e\n\u003cli\u003eDo not substitute the supplied 800 A SGCT matched set with individually selected devices unless the applicable manufacturer service documentation permits that configuration.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"AMPHENOL","offers":[{"title":"Default Title","offer_id":43918597521498,"sku":"81001-450-52-R","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/81001-450-52-R2.jpg?v=1787814226","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-81001-450-52-r-powerflex-700-sgct-thyristor-service-kit","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}