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Product Overview
The Honeywell FC-PSUNI-2424 delivers stable and reliable 24 VDC power for critical industrial automation systems. This unit provides 600W of continuous output power to support Safety Manager and FSC controller racks . Furthermore, the FC-PSUNI-2424 meets SIL3 safety integrity level requirements per IEC 61508 for safety-critical applications .
Technical Specifications
The FC-PSUNI-2424 operates across a universal input range of 85–265 VAC, accommodating global power standards. This unit outputs 25.1 VDC at 24A under static load and includes a 50A/200ms peak current capability for fuse clearing . Additionally, the module maintains >88% efficiency across various load conditions . For system integration, the supply includes an opto-FET alarm output with 500V isolation .
| Parameter | Specification |
|---|---|
| Manufacturer | Honeywell |
| Order Number | FC-PSUNI-2424 |
| Product Type | Power Supply Module |
| Output Power | 600 W continuous |
| Output Voltage | 24–25 V DC, 24 A |
| Input Voltage | 85–265 V AC (universal) |
| Frequency Range | 45–66 Hz |
| Efficiency | 80–87% (model dependent) |
| Safety Rating | SIL3 certified (IEC 61508) |
| Hold-Up Time | >50 ms (EN61000-4-11 Level 3) |
| Parallel Operation | Up to 8 units (N+1 redundancy) |
| Operating Temperature | -40°C to +70°C |
| Inrush Current | <60 A (supports 10A C-type breaker) |
| Dimensions (W×H×D) | 370 × 159 × 67.3 mm |
| Net Weight | Approx. 2.9 kg |
| Protection | Overload, short-circuit, overvoltage, thermal |
| Origin | USA |
Key Design Features
The FC-PSUNI-2424 incorporates dual over-voltage protection to support SIL3-rated applications . This module includes an ON/OFF switch for online replacement, minimizing system downtime during maintenance. Moreover, the unit features under-voltage alarms for both DC and AC supply monitoring . The variable-speed fan adjusts automatically to reduce wear and extend service life. For demanding safety systems, this power supply supports parallel operation of up to eight units, enabling N+1 redundancy configurations .
Application and Integration
The FC-PSUNI-2424 integrates seamlessly with Honeywell Safety Manager SC systems and FSC controllers in mission-critical process environments . Process engineers commonly deploy this module in oil and gas, petrochemical, and power generation facilities for burner management and emergency shutdown (ESD) panels. Furthermore, this supply is compatible with legacy Honeywell TDC and TPS systems when used with appropriate interface modules. Users should install this unit with double-pole circuit breakers and observe proper clearance requirements per the installation manual .