{"product_id":"is421ucsbh4a-general-electric-mark-vie-safety-controller-module","title":"IS421UCSBH4A General Electric Mark VIe Safety Controller Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe General Electric IS421UCSBH4A is a Mark VIe safety controller module designed to execute safety-related control logic in turbine and critical industrial control systems. It functions as a dedicated controller node that exchanges data with distributed I\/O over the system network while maintaining deterministic processing for protection and safety tasks. The module is built for cabinet installation and is commonly used where high integrity control and predictable fault response are required.\u003c\/p\u003e\n\u003cp\u003eThis controller is provided as a modular unit rather than a bare PCB, supporting straightforward replacement and standardized integration within Mark VIe control platforms.\u003c\/p\u003e\n\u003ch3\u003eHardware Parameters\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eItem\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 \/ Part number\u003c\/td\u003e\n\u003ctd\u003eIS421UCSBH4A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule category\u003c\/td\u003e\n\u003ctd\u003eSafety Controller Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct family\u003c\/td\u003e\n\u003ctd\u003eMark VIe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor (stated)\u003c\/td\u003e\n\u003ctd\u003e1066 MHz Intel processor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArchitecture\u003c\/td\u003e\n\u003ctd\u003eStandalone controller module with networked\/distributed I\/O model\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaintenance design\u003c\/td\u003e\n\u003ctd\u003eNo user jumpers and no user-replaceable battery (as stated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCB protection\u003c\/td\u003e\n\u003ctd\u003eConformal coating for improved resistance to contaminants\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower design\u003c\/td\u003e\n\u003ctd\u003eInternal power supply (as stated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eOptional fan configurations (system dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirmware\u003c\/td\u003e\n\u003ctd\u003eFlash updatable (system dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eBrand New\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead time\u003c\/td\u003e\n\u003ctd\u003eIn Stock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.9 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (listing)\u003c\/td\u003e\n\u003ctd\u003e20 × 11.5 × 5.7 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of origin (listing)\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHS code (listing)\u003c\/td\u003e\n\u003ctd\u003e8537101190\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem category\u003c\/td\u003e\n\u003ctd\u003eDCS \/ turbine control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eEngineering notes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSafety performance claims (e.g., SIL level) must be verified at the system level against the project’s certified architecture and documentation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReplacement should match the exact model and revision requirements used by the installed Mark VIe safety configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCommissioning should be performed by qualified personnel following site procedures for safety instrumented functions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIndustrial Applications\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSafety-related turbine control and protection in Mark VIe control cabinets\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDistributed I\/O safety architectures where the controller maintains logic execution independent of I\/O location\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReplacement spare for installed Mark VIe safety controllers in power generation facilities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eModernization projects retaining Mark VIe safety infrastructure while restoring controller availability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":45519080751277,"sku":"IS421UCSBH4A","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/general-electric-is421ucsbh4a-safety-controller-module-qrbpjun5cpg.jpg?v=1766986482","url":"https:\/\/www.maxwellplc.com\/products\/is421ucsbh4a-general-electric-mark-vie-safety-controller-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}