Honeywell | Power Supply Unit | FC-PSU-UNI2450U

Honeywell FC-PSU-UNI2450U Power Supply

Overview: The Honeywell FC-PSU-UNI2450U is a UL508 approved switched-mode DC power supply engineered for high efficiency and reliability across diverse industrial applications. With an efficiency exceeding 85% at 187 V AC and over 80% at 93.5 V AC, this power supply unit offers exceptional performance. It offers dual output options of either 25 V DC at 48 A or 28 V DC at 43 A, catering to varied power requirements.

Main Features:

• Dual Over-Voltage Protection: Complies with IEC 61508 functional safety requirements.
• ON/OFF Switch: Allows online replacement in live systems with isolated AC and DC connectors.
• Current Limit Feature: Restricts maximum output power to 1200 W.
• Under-Voltage Alarm: Signals if voltage drops below 22 V.
• Output Diode: Supports parallel operation.
• Temperature Range:
  • FC-PSU-UNI2450U: -5°C to 70°C
  • FA-PSU-UNI2450U: -40°C to 70°C (Hazloc Certified)
• Overload and Short-Circuit Protection: Ensures optimal safety.
• 100ms Hold-Up Time: Maintains stability during brief interruptions.
• FAN Alarm: Monitors fan status.
• Certification: UL 508, EN 61558-2-16 compliant; FA-Version is also ATEX, IECEx, and CSA approved.

Technical Specifications:

• Input Voltage: 110-240 V AC (operating limits: 93-253 V AC)
• Input Frequency Range: 47-63 Hz
• Power Consumption at No Load: 13 W
• Power Factor: Close to 1
• Dimensions: 420.5 × 140 × 90 mm (16.57 × 5.51 × 3.54 in)
• Weight: 5.7 kg (12.5 lb)
• Storage Temperature: -25°C to +85°C (-13°F to +185°F)
• Operating Temperature: -5°C to +70°C (23°F to +158°F)

Output:

• Voltage: 25 V DC or 28 V DC with dual overvoltage protection
• Ripple and Noise: < 40 mVpp
• Output Current:
  • 25 V DC: 48 A at -5°C to +50°C (23°F to +122°F)
  • 28 V DC: 43 A at -5°C to +50°C (23°F to +122°F)
• 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: 500 V DC

Connectors:

• AC Input: IEC 60320 C20 inlet type socket, 16 A with retaining clip
• DC Output: Phoenix PCV6-16/2-G1F-10,163 with locking screws
• Alarm Contact: Phoenix MC 1,5/3-G-3,81, with contact rating 100 mA / 30 V

Additional Features:

• Voltage Limit: Independent regulation circuits for output voltage limitation.
• Undervoltage Alarm Contact: Relay de-energizes when output voltage drops below 22 V DC.