{"product_id":"honeywell-tc-prr021-51309288-225-redundant-power-regulator","title":"Honeywell TC-PRR021 51309288-225 Redundant Power Regulator","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTC-PRR021\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(Part Number\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e51309288-225\u003c\/strong\u003e) is an authoritative power regulation module engineered for the Honeywell Experion PKS and TDC 3000 distributed control system (DCS) architectures. This module is a mechanical necessity for systems requiring high-level availability, as it manages dual-input power redundancy with an automatic, seamless switchover mechanism. By providing a stabilized and regulated 24 VDC output to critical controllers and I\/O assemblies, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTC-PRR021\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensures continuous process operation even during a primary power fault. Its wide operating temperature range and robust industrial certifications make it a trustworthy component for the most demanding environments, including offshore platforms, refineries, and chemical processing plants.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDetailed Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHoneywell\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTC-PRR021\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e51309288-225\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRedundant Power Regulator Module\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSystem Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHoneywell Experion PKS, TDC 3000\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e85–265 VAC (Universal Global Input)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 VDC (Regulated)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRedundancy Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDual-input with automatic seamless switchover\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtection Circuitry\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOverload, Short-circuit, and Thermal protection\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-25 °C to +70 °C (-13 °F to 158 °F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eHumidity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5% to 95% Non-condensing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e180 x 100 x 25 mm (Standard Form Factor)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.5 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCE, UL, CSA Industrial Compliance\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation and Engineering Application\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChassis Configuration\u003c\/strong\u003e: The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTC-PRR021\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003einstalls into the standard Honeywell power chassis. Ensure the module is authoritative in its seating to maintain optimal thermal dissipation and electrical contact with the backplane.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDual Input Integration\u003c\/strong\u003e: To leverage the redundancy features, connect two independent AC power sources to the chassis. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e51309288-225\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewill automatically prioritize the primary source and switch to the secondary within milliseconds if a voltage drop is detected.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Considerations\u003c\/strong\u003e: With an operating limit of +70 °C, this regulator is designed for harsh environments; however, in high-load configurations, maintaining positive cabinet airflow is an expertise required to extend the module’s MTBF (Mean Time Between Failures).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLoad Management\u003c\/strong\u003e: Monitor the total current draw of the downstream I\/O modules. While the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTC-PRR021\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efeatures short-circuit protection, running the unit consistently at its maximum thermal limit should be avoided to ensure long-term trustworthy performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical FAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens to the process during a power switchover?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe switchover within the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTC-PRR021\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis designed to be hitless. The output 24 VDC remains stable enough that controllers and I\/O modules do not reset, preserving the integrity of the real-time control loop.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this module compatible with universal AC power?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e51309288-225\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esupports a wide input range from 85 VAC to 265 VAC, allowing it to be deployed in global facilities without the need for additional voltage transformers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I monitor the health of the redundancy?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The module includes front-panel LED indicators that report the status of both inputs. For integrated monitoring, the health status can typically be mapped back to the Experion PKS diagnostic station.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":43070260904026,"sku":"TC-PRR021 51309288-225","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/326._75da7c3b-6687-4db3-96fc-c7e60ea43acf.jpg?v=1773973373","url":"https:\/\/www.spareoil.com\/products\/honeywell-tc-prr021-51309288-225-redundant-power-regulator","provider":"SpareOil Automation","version":"1.0","type":"link"}