FC-PSU-UNI4825U Honeywell Power Supply Unit

Power Supply Overview

The Honeywell FC-PSU-UNI4825U is a UL508 approved switched-mode DC power supply engineered for industrial applications. It offers a stable and efficient power source, delivering 48 V DC at 25 A output.

Main Features

• Dual Over-Voltage Protection: Complies with DIN V 19250 and VDE V 0801 standards, ensuring functional safety.
• ON/OFF Switch: Facilitates online replacement in live systems, featuring isolated AC and DC connectors for enhanced safety.
• Current Limit Feature: Limits maximum output power to 1200 W, ensuring stable operation.
• DC Under-Voltage Alarm: Alerts in case the voltage drops below 44 V, enhancing system reliability.
• Output Diode: Supports parallel operation, enabling scalability and flexibility.
• Optimum Protection: Against continuous overload and short-circuiting, safeguarding critical components.
• 100 ms Hold-Up Time: Ensures stability during brief interruptions, minimizing downtime.

Technical Data

• Type Number: FC-PSU-UNI4825U
• Approvals: CE, TUV, UL508, CSA
• Power Requirements: 110-240 V AC (operating limits: 93-253 V AC)
• Power Consumption at No Load: 13 W
• Power Factor: Close to 1
• Input Frequency Range: 47-63 Hz
• Dimensions: 420.5 × 140 × 90 mm (W × H × D)
• Weight: 5.7 kg (12.5 lb) including the cable set
• Storage Temperature: -25°C to +85°C (-13°F to +185°F)
• Operating Temperature: -5°C to +70°C (23°F to +158°F)
• Input Inrush Current: < 15A
• Input Power: < 1400 VA (rated voltage 220-240 V AC); < 1500 VA (rated voltage 110-120 V AC)
• Input Current: < 7.5 A (rated voltage 220-240 V AC); < 16 A (rated voltage 110-120 V AC)
• Output Voltage: 48 V DC
• Ripple and Noise: < 75 mVpp
• Output Current: 25 A at -5°C to +50°C (23°F to +122°F)
• Derating Output Current: Starting at 50°C (122°F): 30 W/°C
• Hold-Up Time: Typically 100 ms at 100% load
• Output Voltage Setting: 48 V DC
• Efficiency: > 85% at 220-240 V AC; > 80% at 110-120 V AC

Isolation

• Input to Output: 3750 Vrms
• Input to Case: 2500 Vrms
• Output to Case: 1500 V DC

Connectors

• AC Input: IEC 60320 C20 inlet type socket, 16 A with retaining clip
• DC Output: Phoenix PCV4/3-G-7,62 with locking screws
• Cable Connector: Phoenix PC 5/3-STF-7,62
• Alarm Contact: 3-pole Phoenix socket type MC 1,5/3-G-3,81
• Cable Connector: Phoenix MC 1,5/3-ST-3,81

Additional Features

• Voltage Limit: Independent regulation circuits limit output voltage for safety.
• Undervoltage Alarm Contact: Relay de-energizes when output voltage drops below 44 V DC.