{"product_id":"81003-438-51-r-allen-bradley-high-current-scr-rectifier","title":"81003-438-51-R Allen-Bradley High Current SCR Rectifier","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 81003-438-51-R\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehigh-current SCR rectifier assembly replacement kit\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edesigned for use in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley industrial drive and power control systems\u003c\/strong\u003e. This assembly integrates\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esilicon-controlled rectifiers (SCRs)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto convert AC input power into controlled DC output for high-power applications.\u003c\/p\u003e\n\u003cp\u003eRated at\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e815 A\u003c\/strong\u003e, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e81003-438-51-R\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis intended as a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edirect replacement rectifier assembly\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor specific Allen-Bradley drive platforms. The ruggedized\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e“-R” revision\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esupports reliable operation in electrically demanding and high-thermal environments.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFunctional Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e81003-438-51-R\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eperforms controlled rectification by regulating conduction angles of SCR devices. This allows precise DC power delivery to downstream drive sections, DC buses, or controlled loads.\u003c\/p\u003e\n\u003cp\u003eThe assembly is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eself-contained\u003c\/strong\u003e, mechanically integrated, and designed to interface directly with compatible Allen-Bradley power assemblies. It does\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003enot\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003einclude logic control, communication interfaces, or energy storage components.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eDetails\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\u003e\u003cstrong\u003e81003-438-51-R\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley (Rockwell Automation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eSCR Rectifier Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCategory\u003c\/td\u003e\n\u003ctd\u003eDrives\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSubcategory\u003c\/td\u003e\n\u003ctd\u003eRectifier Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRectifier Technology\u003c\/td\u003e\n\u003ctd\u003eSilicon-Controlled Rectifier (SCR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Current Rating\u003c\/td\u003e\n\u003ctd\u003e815 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly Type\u003c\/td\u003e\n\u003ctd\u003eReplacement parts kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eDrive chassis \/ power frame mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Function\u003c\/td\u003e\n\u003ctd\u003eAC-to-DC controlled rectification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.0 lb (0.9 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Status\u003c\/td\u003e\n\u003ctd\u003eDiscontinued\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":43953664917603,"sku":"81003-438-51-R","price":400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/68._f64563f5-ce60-4655-8f49-8021f5e1bf24.jpg?v=1768530216","url":"https:\/\/www.autocontrolglobal.com\/products\/81003-438-51-r-allen-bradley-high-current-scr-rectifier","provider":"AutoControl Global","version":"1.0","type":"link"}