{"product_id":"fc-psu-unl2450u-honeywell-power-supply-unit","title":"FC-PSU-UNL2450U Honeywell Power Supply Unit","description":"\u003cp\u003eConfigured for high-capacity 25 VDC voltage regulation in Honeywell Experion PKS and Safety Manager platforms, the \u003cstrong\u003eHoneywell FC-PSU-UNL2450U\u003c\/strong\u003e (\u003cstrong\u003eFC-PSU-UNL2450U\u003c\/strong\u003e Power Supply Unit) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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\u003eFC-PSU-UNL2450U\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eShipping Weight: Approx. 10 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eInput: 110\/240 VAC, 50\/60 Hz; Output: 25 VDC at 43 A continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003ePower Supply Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e110\/240 VAC (50\/60 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e25 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e43 A continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eGalvanic isolation between input and output circuits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy\u003c\/td\u003e\n\u003ctd\u003eSupports parallel redundant installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eNatural convection cooling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eOver-voltage, over-current, and thermal protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol \u0026amp; Channel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eDesigned for process control power infrastructure, the unit converts 110\/240 VAC input power into a stabilized 25 VDC output rail capable of delivering 43 A continuous current. Internal galvanic isolation between input and output circuits prevents primary utility transients and ground noise from propagating into secondary DC distribution paths. Built-in channel-to-channel isolation across powered sub-modules mitigates loop interference, maintaining low residual ripple to preserve signal clarity for 4-20 mA HART instrumentation, process I\/O buses, and safety shutdown circuits.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the unit operate within parallel redundant power configurations?\u003c\/p\u003e\n\u003cp\u003eA: Integrated decoupling diodes permit direct parallel connection with a secondary FC-PSU-UNL2450U unit, allowing automatic load sharing and seamless failover to ensure uninterrupted 25 VDC delivery if one module loses AC primary power.\u003c\/p\u003e\n\u003cp\u003eQ: What internal protection mechanisms prevent field-side load damage during electrical faults?\u003c\/p\u003e\n\u003cp\u003eA: The supply features hardware-based over-voltage, over-current, and thermal shutdown circuits that limit fault current and automatically clamp or cut off output voltage upon detecting thermal or load limits.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIsolate all AC mains supply voltage sources before making or altering power input wiring connections to avoid electrical shock hazards.\u003c\/li\u003e\n\u003cli\u003eSnap or bolt the module securely into the designated enclosure rack, maintaining recommended vertical clearance to facilitate natural convection cooling.\u003c\/li\u003e\n\u003cli\u003eSize input and output copper cabling appropriately for 43 A continuous current draw to prevent thermal line losses and conductor degradation.\u003c\/li\u003e\n\u003cli\u003eConnect the main protective earth (PE) terminal to the cabinet central grounding bus to establish galvanic shield integrity and lightning transient protection.\u003c\/li\u003e\n\u003cli\u003eEnsure redundant power cable pairs are routed through separated wire paths to maintain system availability during localized cabinet damage.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52504967938344,"sku":"FC-PSU-UNL2450U","price":315.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/6266\/2184\/files\/FC-PSU-UNI2450U2_f4f733fa-1f65-41bf-8dbf-834dc79c2427.jpg?v=1789893348","url":"https:\/\/www.powerdcs.com\/es\/products\/fc-psu-unl2450u-honeywell-power-supply-unit","provider":"Power DCS Parts Limited","version":"1.0","type":"link"}