Excellent PLC
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Product Introduction
The Honeywell FC-PSU-UNI4825U is a universal power supply module engineered for use within Honeywell’s Experion Process Knowledge System (PKS) or other compatible industrial automation environments. Designed to meet demanding operational conditions in industrial control systems, this unit provides stable and efficient power to critical control hardware. It supports multiple input voltage ranges and delivers a robust and regulated 24VDC output, making it suitable for diverse applications.
Whether deployed in a distributed control system (DCS), safety instrumented system (SIS), or programmable logic controller (PLC) network, the FC-PSU-UNI4825U ensures that critical components remain operational, even under unstable power conditions.
Technical Specifications
| Parameter | Details |
|---|---|
| Model Number | FC-PSU-UNI4825U |
| Manufacturer | Honeywell |
| Input Voltage Range | 100–240 VAC ±10%, 50/60 Hz |
| Output Voltage | 24 VDC ±2% |
| Output Current Capacity | 5 A continuous |
| Output Power | 120 W |
| Efficiency | ≥ 88% |
| Ripple and Noise | < 100 mVp-p |
| Overload Protection | Yes (auto recovery) |
| Overvoltage Protection | Yes (clamp-style) |
| Short Circuit Protection | Yes |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Cooling Method | Natural convection (fanless design) |
| Mounting Type | DIN rail mount |
| Approvals and Certifications | CE, UL, cUL, FCC Class A, RoHS compliant |
| Enclosure Material | Industrial-grade metal housing |
| Dimensions (H × W × D) | 420.5 × 140 × 90 mm |
| Weight | 5.7 kg |
Product Applications
The FC-PSU-UNI4825U is widely used in industrial automation and process control systems, including but not limited to:
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Distributed Control Systems (DCS): Powers controllers and I/O modules in Honeywell’s Experion systems.
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PLC Systems: Ensures clean and consistent power for programmable logic controllers and associated hardware.
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Safety Instrumented Systems (SIS): Supports reliable operation of safety-critical devices.
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SCADA Systems: Maintains continuous operation of communication and interface modules.
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Remote Terminal Units (RTUs): Supplies field-deployed equipment with regulated power.
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Industrial Networking: Supports network switches, gateways, and interface devices requiring 24VDC input.
Product Advantages
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Universal Compatibility: Accepts a broad range of input voltages, making it versatile for global deployments.
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High Efficiency: Up to 88% conversion efficiency reduces energy consumption and heat generation.
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Robust Protection Features: Built-in safeguards against overvoltage, overload, and short circuits ensure long-term durability.
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Compact DIN Rail Design: Saves panel space while allowing easy installation and maintenance.
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Industrial Durability: Operates reliably under wide temperature ranges and challenging environments.
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Fanless Operation: Increases reliability by eliminating moving parts, minimizing maintenance requirements.
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Certifications for Global Use: Fully compliant with international safety and EMC standards.
Frequently Asked Questions (FAQ)
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What is the input voltage range for the FC-PSU-UNI4825U?
The unit supports an input range of 100–240 VAC ±10%, 50/60 Hz. -
Can it be used in high-temperature environments?
Yes, it operates reliably between -20°C and +70°C, suitable for harsh environments. -
Does this power supply have overvoltage protection?
Yes, the FC-PSU-UNI4825U features clamp-style overvoltage protection. -
Is it compatible with non-Honeywell systems?
While designed for Honeywell environments, its standard 24VDC output allows use with many industrial systems. -
How is the unit cooled?
It uses passive natural convection and does not require a cooling fan. -
Can I mount it on any type of panel?
It is specifically designed for DIN rail mounting for quick and secure installation. -
Is this product UL certified?
Yes, the power supply carries UL, cUL, CE, and FCC certifications. -
What is the maximum output current?
It delivers a continuous output of 5 A. -
Does the unit support redundancy?
Yes, it can be configured with other power supplies for redundancy in critical systems. -
How often does it need maintenance?
The unit is designed for long-term, low-maintenance operation, with no moving parts and minimal wear.
Related or Same Series Honeywell Models (Recommended)
| Model | Description |
|---|---|
| FC-PSU-UNI4825A | Standard version with analog status outputs |
| FC-PSU-UNI4825R | Redundant-ready variant for critical systems |
| FC-PSU-UNI2448U | 24V to 48V universal supply module |
| FC-PSU-UNI2425U | Lower capacity version, 24V, 2.5A output |
| FC-PSU-UNI9636U | High-performance model with 36VDC output |
| FC-PSU-BAT4825U | Battery-backed 24VDC UPS module for emergency power |
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| Model | Function | Key Feature |
|---|---|---|
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