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FC-PSU-UNI4825U

Honeywell FC-PSU-UNI4825U 48V 25A Power Supply

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  • Manufacturer: Honeywell

  • Product No.: FC-PSU-UNI4825U

  • Product Type: Power Supply Unit

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 5700g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Tavsif

48V 25A Industrial Power Supply

Honeywell FC-PSU-UNI4825U delivers 48V DC at 25A for industrial applications. This UL508 approved supply provides stable power for demanding systems. 

Key Features

  • Dual OVP: Meets DIN V 19250 and VDE V 0801 safety standards.
  • Online Replacement: ON/OFF switch with isolated AC/DC connectors.
  • Current Limit: Limits maximum output power to 1200W.
  • Parallel Operation: Output diode supports connecting multiple units.
  • Hold-Up Time: 100ms typical at full load for stability.
  • Under-Voltage Alarm: Relay de-energizes below 44V DC.
  • Protection: Against continuous overload and short-circuit.

Technical Specifications

  • Model: Honeywell FC-PSU-UNI4825U.
  • Output: 48V DC, 25A at -5°C to +50°C.
  • Derating: 30W/°C above 50°C up to 70°C.
  • Ripple & Noise: <75 mVpp clean output.
  • Efficiency: >85% at 220-240V AC, >80% at 110-120V AC.
  • Approvals: CE, TUV, UL508, CSA certified.
  • Weight: 5.7 kg (12.5 lb) with cable set.

Input Specifications

  • Voltage Range: 93-253V AC operational (110-240V AC nominal).
  • Frequency: 47-63 Hz.
  • Input Current: <7.5A at 220-240V AC, <16A at 110-120V AC.
  • Inrush Current: <15A.
  • Input Power: <1400 VA at 220-240V, <1500 VA at 110-120V.
  • No Load Consumption: 13W typical.
  • Power Factor: Close to unity.

Output Specifications

  • Output Voltage: 48V DC fixed setting.
  • Output Current: 0-25A continuous up to 50°C.
  • Power Limit: 1200W maximum with current limit.
  • Hold-Up Time: 100ms typical at 100% load.
  • Voltage Limit: Independent regulation circuits for safety.

Alarm & Monitoring

  • Under-Voltage Alarm: Relay de-energizes below 44V DC.
  • Alarm Contact: 3-pole Phoenix socket type MC 1,5/3-G-3,81.
  • Mating Connector: Phoenix MC 1,5/3-ST-3,81 included.
  • DC Under-Voltage: Visual or system alert capability.

Isolation Ratings

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

Physical Dimensions

  • Width: 420.5 mm (16.6 in).
  • Height: 140 mm (5.5 in).
  • Depth: 90 mm (3.5 in).
  • Weight: 5.7 kg (12.5 lb) including cable set.

Environmental Ratings

  • Operating Temp: -5°C to +70°C (23°F to +158°F).
  • Storage Temp: -25°C to +85°C (-13°F to +185°F).
  • Derating: Starts at 50°C, 30W/°C reduction.

FAQ

  • Q: Can I connect multiple FC-PSU-UNI4825U units in parallel?
    A: Yes. Built-in output diode supports parallel operation for higher current or redundancy. This enables system expansion without additional components.
  • Q: What causes the under-voltage alarm to trigger?
    A: Alarm relay de-energizes when output drops below 44V DC. This provides early warning of input power issues or overload conditions.
  • Q: What is the derating requirement above 50°C?
    A: Output current reduces by 30W per °C above 50°C. At 60°C, maximum output is approximately 900W (18.75A). Plan installations accordingly for hot environments.
🏷️ Tags: Power Supply Unit

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