{"product_id":"honeywell-fc-psu-uni2450-safety-manager-datasheet-technical-manual","title":"Honeywell FC-PSU-UNI2450 Safety Manager Datasheet \u0026 Technical Manual","description":"\u003ch2\u003eHoneywell FC-PSU-UNI2450 Safety Manager Power Supply\u003c\/h2\u003e\n\u003cp\u003eConfigured for high-availability power distribution and transient ride-through execution in Honeywell Safety Manager systems, the \u003cstrong\u003eHoneywell FC-PSU-UNI2450\u003c\/strong\u003e (\u003cstrong\u003eFC-PSU-UNI2450\u003c\/strong\u003e Universal 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\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFC-PSU-UNI2450 (Compatible with FC-PSU-UNI2450U)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.7 kg (12.57 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Safety Manager chassis integrated power block footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-5 deg C to 70 deg C (23 deg F to 158 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInput power baseline determined by \u0026gt; 87% efficiency curve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e110\/230 VAC (Auto-ranging or switch-selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 VDC to 28 VDC (Nominal 25 VDC \/ 28 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 Amperes continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHold-up Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 ms minimum at full 50 A load configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRipple \u0026amp; Noise\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 40 mVpp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection Circuitry\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual overvoltage, overcurrent, and short-circuit protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCooling Profile\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntegrated forced-air cooling (Fan-assisted ventilation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation \u0026amp; Power Regulation\u003c\/h3\u003e\n\u003cp\u003eThe power supply unit converts raw 110\/230 VAC mains grid inputs into a stable 24 VDC to 28 VDC output bus dedicated to logic solvers and critical field loop loads. Internal switching networks suppress voltage ripple beneath 40 mVpp, while integrated channel-to-channel isolation barriers mitigate common-mode noise transfer from incoming AC lines into sensitive DC processing paths.\u003c\/p\u003e\n\u003cp\u003eAn internal energy-storage matrix yields a 100 ms hold-up time at a full 50 A output current load. This baseline storage profile functions as a passive hardware filter, allowing the system to maintain stable output voltage through deep grid disruptions and prevent premature dropping of safety relays or unintended fail-safe state execution in the downstream safety instrumented system (SIS).\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the FC-PSU-UNI2450 allow hot-swap manipulation inside a live safety rack?\u003c\/strong\u003e \u003cstrong\u003eA: Yes.\u003c\/strong\u003e When deployed in parallel redundant configurations, individual units can be inserted or extracted while the main DC bus is energized. The active internal blocking diodes decouple the faulted or unpowered unit from the active power stream, preventing a parallel drop in system voltage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the unit protect output field loops from high-voltage AC surges entering the primary grid?\u003c\/strong\u003e \u003cstrong\u003eA: The hardware incorporates dual overvoltage protection circuits\u003c\/strong\u003e alongside a galvanic isolation structure. If the internal switching regulators fail, independent clamp networks activate to clip the output voltage profile, preventing high-voltage propagation from reaching down to the logic processing modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the maintenance criteria for the integrated forced-air cooling fans?\u003c\/strong\u003e \u003cstrong\u003eA: The module relies on constant fan-assisted ventilation\u003c\/strong\u003e to sustain its 50 A rating at elevated ambient temperatures up to 70 deg C. Fan health parameters are monitored internally; any drop in RPM triggers a system fault register, requiring prompt element inspection to avoid thermal shutdowns.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCabinet Ventilation and Placement:\u003c\/strong\u003e Slot the assembly into its assigned position within the Safety Manager enclosure. Ensure the intake and exhaust vents of the fan assembly are clear of wires or structural obstructions to facilitate steady vertical air displacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC Input Wire Cross-Sections:\u003c\/strong\u003e Use minimum 4.0 mm2 (12 AWG) copper conductors rated for 90 deg C for the primary AC terminal connections. Torque all screw terminals to manufacturer specifications to eliminate high-resistance points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Bus Grounding:\u003c\/strong\u003e Connect the main negative output rail to the cabinet master instrument ground bar using a low-impedance copper strap. Ensure that all shield drains from field instrumentation bypass the power supply chassis directly to the designated earth grounding frame.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":42870907600986,"sku":"FC-PSU-UNI2450","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/134.1_53ab3deb-20c2-4229-a392-2cdd9bd112fe.jpg?v=1772431896","url":"https:\/\/www.spareoil.com\/products\/honeywell-fc-psu-uni2450-safety-manager-datasheet-technical-manual","provider":"SpareOil Automation","version":"1.0","type":"link"}