Product Overview
The FS-PSU-UNI2450U is a switched-mode DC power supply from Honeywell.
It delivers stable, high-efficiency power for industrial automation and control systems.
The module is UL-approved and supports flexible voltage configurations with robust safety features.
| Attribute | Details |
|---|---|
| Manufacturer | Honeywell |
| Model Number | FS-PSU-UNI2450U |
| Spare Model | FC-PSU-UNI2450U |
| Product Type | Switched-Mode DC Power Supply |
| Certifications | CC, UL508, EN 61558-2-16, IECEx, ATEX, CID2 |
| Country of Origin | United States |
Key Features
- Efficiency: >85% at 187 V AC, >80% at 93.5 V AC
- Dual built-in overvoltage protection (IEC 61508 compliant)
- ON/OFF switch and isolated AC/DC connectors for live replacement
- Current limit: 1200 W maximum output
- Under-voltage alarm triggers below 22 V
- Output diode supports parallel operation
- Operating temperature:
- FC-PSU-UNI2450U: -5°C to 70°C
- FA-PSU-UNI2450U: -40°C to 70°C (HazLoc Certified)
- Protection against overload and short circuits
- 100 ms hold-up time
- Fan alarm and automatic thermal shutdown at 100°C
- Indoor use, IP20 rated
Input & Output Specifications
| Parameter | Details |
|---|---|
| Input Voltage | 110/240 VAC (50/60 Hz) |
| Output Voltage & Current | 25 V DC @ 48 A; 28 V DC @ 43 A |
| Supply Type | Switch mode power supply |
| Short-Circuit Protection | Conditional (not for permanent shorts) |
LED Status Indicators
- Green LED:
- On: PSU operational, output OK
- Off: PSU switched off
- Flashing: Fan not reaching required speed
- Red LED:
- On: PSU/main failure or standby
- Off: No failure
- Flashing: High temperature detected
Hardware Control Features
- Power switch
- Output adjustment selector (25V DC / 28V DC)
- Alarm contact
Physical Dimensions & Weight
| Attribute | Details |
|---|---|
| Dimensions | 2 cm x 18.6 cm x 12.9 cm |
| Weight | 0.55 kg |
This module is ideal for industrial power applications, offering high reliability, safety, and flexible installation.
Details
| Weight | 0.55 kg |
|---|---|
| Dimensions | 20 × 186 × 129 mm |
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