Product Details
Configured for primary AC-to-DC conversion and high-current voltage regulation in Safety Manager platforms, the Honeywell FC-PSU-UNI2450U V2.0 (FC-PSU-UNI2450U Power Supply) provides direct physical/electrical execution. It delivers regulated 25 VDC or 28 VDC power to safety logic solvers and field termination assemblies.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | FC-PSU-UNI2450U V2.0 |
| Brand | Honeywell |
| Origin | USA |
| Weight | 4.41 kg |
| Dimensions | Standard rack-mount power enclosure |
| Operating Temp | -20 to +70 deg C (Full load to +50 deg C; derated to +70 deg C) |
| Power Consumption | Passive dissipation loss (Efficiency > 87%) |
| Input Voltage Range | 110-240 VAC |
| Input Frequency | 50-60 Hz |
| Output Voltage | 25 VDC or 28 VDC |
| Output Current | 48 A at 25 VDC / 43 A at 28 VDC |
| System Compatibility | Honeywell Safety Manager / Safety Manager AOP |
Process Control & DCS Power Infrastructure Characteristics
The FC-PSU-UNI2450U V2.0 power module incorporates robust channel-to-channel isolation and input transient protection circuits to maintain voltage stability under industrial main line fluctuating conditions. Designed to supply power directly to critical safety instrumentation and 4-20 mA HART loop protocol device loops, the unit limits ripple voltage and output noise to eliminate signal interference across analog and digital field termination cards.
Frequently Asked Questions
Q: How is thermal load derating managed on the FC-PSU-UNI2450U V2.0 above 50 deg C?
A: The module operates at full output rating (48 A at 25 VDC / 43 A at 28 VDC) up to 50 deg C ambient surrounding air temperature. Above 50 deg C up to 70 deg C, output current capacity derates linearly by 50%.
Q: What is the primary functional difference between the 25 VDC and 28 VDC output configuration modes?
A: The 25 VDC setting provides standard distribution bus voltage, while the 28 VDC configuration compensates for line drop losses across long cable runs to remote field termination units.
Field Installation Guidelines
- Chassis Installation: Mount the power supply unit vertically into the assigned Safety Manager cabinet slot. Tighten top and bottom retaining screws to ensure proper grounding contact with the cabinet frame.
- AC Line Termination: Connect incoming 110-240 VAC power source leads to the designated input terminals. Verify line, neutral, and protective earth wiring are secured.
- Earthing and Noise Shielding: Connect a dedicated low-impedance copper grounding strap from the unit frame to the central enclosure earth bus to isolate system electronics from line transients.
- Thermal Spacing: Ensure an unobstructed vertical clearance of 50 mm above and below the power module ventilation slots to maintain convective air cooling.
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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Modern Industrial Automation: Transforming Safety and Efficiency in Mining Operations
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