{"product_id":"honeywell-fc-psu-uni2450-power-supply-unit","title":"Honeywell FC-PSU-UNI2450 Power Supply Unit","description":"\u003cp\u003eConfigured for power conversion and backplane power delivery in Honeywell Safety Manager and Safety Instrumented Systems (SIS), the \u003cstrong\u003eHoneywell FC-PSU-UNI2450\u003c\/strong\u003e (\u003cstrong\u003eFC-PSU-UNI2450\u003c\/strong\u003e Power Supply Unit) provides direct physical\/electrical execution. Operating on a wide input range of 110-240 VAC at 47-63 Hz, the module supplies regulated 25 VDC or 28 VDC power to system racks and control processors. The unit incorporates dual overvoltage protection and active noise filtering to maintain continuous DC output stability during grid transients, preventing processor brownouts or unwanted system trips.\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-UNI2450\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\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e5.7 Kg (Shipping Weight: 7 Kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Safety Manager Power Unit Chassis Form Factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-5 to +70 deg C (23 to +158 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e13 W at no load; Efficiency \u0026gt;87% at 230 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e110-240 VAC (47-63 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e25 VDC (factory setting) or 28 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Protection\u003c\/td\u003e\n\u003ctd\u003eDual overvoltage protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInrush Current\u003c\/td\u003e\n\u003ctd\u003eLess than 15 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHold-up Time\u003c\/td\u003e\n\u003ctd\u003e100 ms at full load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRipple and Noise\u003c\/td\u003e\n\u003ctd\u003eLess than 40 mVpp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAgency Approvals\u003c\/td\u003e\n\u003ctd\u003eCE, TUV, UL, CSA, CID2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; Channel-to-Channel Isolation Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe FC-PSU-UNI2450 incorporates galvanic isolation barriers designed to shield internal safety system processors from primary AC mains transients and common-mode noise. Supporting SIL-rated safety loops, 4-20 mA HART field loop networks, and distributed DCS architectures, the power supply maintains precise output regulation with low output ripple (\u0026lt; 40 mVpp). Integrated cold junction compensation (CJC) support and internal decoupling networks protect downstream I\/O modules from input voltage dips, ensuring predictable fail-safe behavior across critical safety instrumented functions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What output voltage options are available on the FC-PSU-UNI2450, and what is the default factory setting? A: The output voltage can be set to 25 VDC or 28 VDC, with the factory default output set to 25 VDC.\u003c\/p\u003e\n\u003cp\u003eQ: How long can the FC-PSU-UNI2450 sustain full output power during an AC mains interruption? A: The unit features a hold-up time of 100 ms at full load, providing ride-through capability during short-duration power sags.\u003c\/p\u003e\n\u003cp\u003eQ: Is the FC-PSU-UNI2450 certified for installation in hazardous industrial environments? A: Yes, the unit holds Class I, Division 2 (CID2) certification alongside CE, TUV, UL, and CSA safety approvals.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCabinet Chassis Mounting:\u003c\/strong\u003e Secure the power supply chassis into the designated enclosure frame using all heavy-duty mounting fasteners to accommodate the 5.7 Kg unit weight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtective Bonding Connection:\u003c\/strong\u003e Connect the dedicated earth terminal directly to the enclosure protective earth (PE) copper ground bar using a low-impedance conductor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC Input Line Wiring:\u003c\/strong\u003e Strip incoming 110-240 VAC supply leads to 7 mm and secure them into the heavy-duty input terminal block, confirming tight screw retention.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Dissipation Clearance:\u003c\/strong\u003e Maintain a minimum 50 mm clearance above and below the power supply heat sink fins to prevent thermal de-rating across the -5 to +70 deg C operating range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Separation Rules:\u003c\/strong\u003e Route primary AC input power conductors in dedicated cabinet ducts separated by at least 200 mm from low-voltage DC power feeds and field I\/O wiring.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":45371270692979,"sku":"FC-PSU-UNI2450","price":410.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-08-18_15-41-00_36257fed-c597-41cf-887c-37cfa5180b22.png?v=1787038925","url":"https:\/\/www.dcssupplier.com\/ar\/products\/honeywell-fc-psu-uni2450-power-supply-unit","provider":"DcsSupplier Limited","version":"1.0","type":"link"}