{"product_id":"honeywell-fc-psu-unl2450u-universal-ac-input-power-supply","title":"Honeywell FC-PSU-UNL2450U | Universal AC Input Power Supply","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHoneywell FC-PSU-UNL2450U\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as the high-integrity power backbone for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHoneywell Safety Manager SC (S300 IOTA)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eExperion PKS\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esystems. This universal power supply module converts wide-range AC input into stable, regulated 24 VDC to drive safety-critical controllers and I\/O modules. Engineered for maximum uptime, it facilitates fault-tolerant operation in demanding environments like refineries and power plants. We supply this module as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, ensuring your emergency shutdown (ESD) systems benefit from factory-certified electrical protection and SIL3 compliance.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\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\u003eSpecification Value\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\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFC-PSU-UNL2450U\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100–240 VAC (Universal), 50\/60 Hz\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\u003eOutput Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5.0 A Capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Rating\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e120 W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSafety Integrity Level\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSIL3 (IEC 61508 Compliant)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEfficiency\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026gt;85% Typical\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGalvanic isolation (Input to Output)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOver-voltage, Over-current, Short-circuit, Thermal\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e–40°C to +85°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eS300 IOTA Chassis \/ Cabinet Installation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGlobal Voltage Compatibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe universal input (100–240 VAC) allows engineers to deploy the same hardware across international sites without needing external transformers. This standardizes spare parts inventory for multinational petrochemical and utility projects.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSIL3 Rated Mission-Critical Reliability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUnlike standard industrial power supplies, the FC-PSU-UNL2450U carries SIL3 certification. It incorporates redundant internal monitoring to ensure power delivery never compromises the safety loop, making it essential for emergency shutdown and fire \u0026amp; gas systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Galvanic Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRobust isolation between input and output circuits prevents grid-side electrical noise and surges from reaching sensitive I\/O modules. This protection maintains signal integrity in environments with heavy motor switching or unstable power grids.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExtreme Thermal Resilience:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhile commercial power units de-rate significantly at high temperatures, this module operates reliably from\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e–40°C to +85°C\u003c\/strong\u003e. This resilience enables installation in remote instrument enclosures (RIE) located in harsh geographic regions without requiring active cooling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHot-Swap Maintenance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe mechanical design supports hot-swapping within the S300 IOTA chassis. Maintenance teams replace the power module without de-energizing the safety controller, effectively eliminating system downtime during routine hardware updates.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eComprehensive Protection Suite:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBuilt-in safeguards instantly react to over-voltage, short-circuits, and thermal runaway. These features protect downstream I\/O cards from electrical damage, drastically reducing the total cost of ownership and repair.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the FC-PSU-UNL2450U support redundant configurations?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. When installed in a redundant I\/O chassis (such as the FC-IOCHAS-0003S), these modules operate in parallel or hot-standby modes to ensure the safety system remains powered even if one supply line fails.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan this module power 4-20mA loop transmitters?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module provides the primary 24 VDC bus power for the I\/O modules. Those modules, in turn, distribute the regulated power to field transmitters, ensuring high-precision analog measurements across the plant.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a genuine Honeywell factory-sealed unit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAbsolutely. We provide\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eunits. Each FC-PSU-UNL2450U ships in its original Honeywell packaging with full traceability to ensure safety audit compliance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the thermal protection recover?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module features intelligent thermal management. If an over-temperature condition occurs, the module protects itself by shutting down or limiting output. Once temperatures return to the safe operating range, the unit typically resumes normal operation, though we recommend investigating the cause of the heat spike.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":43187945996378,"sku":"FC-PSU-UNL2450U","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/413.1_698f9a09-7f7c-4f65-990c-96c340b9dea1.jpg?v=1775552973","url":"https:\/\/www.spareoil.com\/products\/honeywell-fc-psu-unl2450u-universal-ac-input-power-supply","provider":"SpareOil Automation","version":"1.0","type":"link"}