Product Details
Technical Overview
The FC-PSU-UNI2450U is a high-performance, industrial-grade power conversion module specifically engineered for the Honeywell Safety Manager and FSC systems. This unit provides a stabilized DC output from a wide-range AC input, ensuring that critical safety logic and field instrumentation remain powered during fluctuating line conditions.
Equipped with dual overvoltage protection and a substantial hold-up time of 100 ms, the FC-PSU-UNI2450U is designed to bridge momentary power interruptions, preventing nuisance trips in Safety Instrumented Systems (SIS). Its robust thermal management allows for operation in high-temperature cabinet environments, while its low ripple and noise characteristics protect sensitive electronic components from electromagnetic interference.
Technical Specifications
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Manufacturer Honeywell
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Model Designation FC-PSU-UNI2450U
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Equipment Type Universal Power Supply Unit (PSU)
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Input Voltage Range 110 V AC to 240 V AC (Universal)
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Input Frequency 47 Hz to 63 Hz
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Inrush Current < 15 A (Cold start)
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Idle Power Consumption 13 W (No load condition)
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Nominal Output Voltage 25 V DC (Factory Default)
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Configurable Output Range 25 V DC / 28 V DC
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Peak Ripple and Noise < 40 mVpp
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System Efficiency > 87% at 230 V AC
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Hold-up Performance 100 ms at 100% Load
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Safety Protection Dual-layer overvoltage protection circuitry
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Operating Temperature -5°C to +70°C (23°F to +158°F)
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Storage Temperature -25°C to +85°C (-13°F to +185°F)
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Net Unit Weight 5.7 kg
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Total Shipping Weight 7.0 kg
Installation and Safety Application
The FC-PSU-UNI2450U is typically installed in redundant pairs within a Safety Manager rack to provide high-availability power. Its 5.7 kg mass reflects the heavy-duty filtration and heat-sinking required for 24/7 mission-critical industrial service. Engineers should ensure adequate clearance for airflow to maintain the +70°C peak operating rating without derating.
Technical FAQ
Why is the output voltage set to 25 V DC instead of a standard 24 V DC?
The FC-PSU-UNI2450U defaults to 25 V DC to compensate for potential voltage drops across long field cables and backplane distribution networks, ensuring that end-of-line devices receive a steady 24 V DC signal.
Does this unit support parallel redundancy?
Yes, this power supply is designed to work in a load-sharing or redundant configuration when integrated into the appropriate Honeywell power distribution backplane.
What happens during a short-term AC power loss?
Thanks to the 100 ms hold-up time, the module can maintain a stable DC output during brief switchovers or voltage sags, which is significantly higher than standard commercial power supplies.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
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