Product Description
Product Overview
The Honeywell FC-PSU-UNI2450U V2.1 Power Supply is a high-performance unit designed to provide reliable DC power for industrial control systems, such as those within Honeywell’s Safety Manager or Experion platforms. Supporting a wide input voltage range of 110-240 V AC, it delivers adjustable output voltages of 25 V DC or 28 V DC with dual overvoltage protection. Certified by TUV, this power supply features a robust design with high efficiency, detailed connector specifications, and a derating curve for output current, making it ideal for critical automation applications.
Technical Information
| Parameter | Specifications |
|---|---|
| Manufacturer | Honeywell |
| Model/Part Number | FC-PSU-UNI2450U V2.1 |
| Description | Power Supply |
| General Type Number | FC-PSU-UNI2450U |
| Version | V2.1, V3.0 |
| Approvals | TUV |
| Input | |
| 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 |
| Inrush Current | < 15 A |
| 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 | |
| Output Voltage | 25 V DC or 28 V DC; 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) |
| Output Current (28 V DC) | 43 A at -5°C to +50°C (23°F to 122°F) |
| Derating Output Current | Starting at 50°C (122°F): 30 W/°C (see derating curve on page 207) |
| Hold-up Time | 100 ms at full load |
| Output Voltage Setting | 25 V DC |
| Efficiency | > 85% (rated voltage 220-240 V AC) > 80% (rated voltage 110-120 V AC) |
| Voltage Limit | For safety, two independent regulation circuits limit output voltage to approx. 27 V (30 V for 28 V mode) in case of malfunction |
| Physical | |
| Dimensions (WxHxD) | 420.5 × 140 × 90 mm (16.57 × 5.51 × 3.54 in) |
| Weight | 5.7 kg (12.5 lb) – including the cable set |
| Environment | |
| Storage Temperature | -25°C to +85°C (-13°F to +185°F) |
| Operating Temperature | -5°C to +70°C (23°F to 158°F) (see derating curve for output current vs. ambient temperature) |
| Isolation | |
| Input to Output | 3750 Vrms (1 min) |
| Input to Case | 2500 Vrms (1 min) |
| Output to Case | 500 V DC |
| Connectors | |
| AC Input | IEC 60320 C20 inlet type socket, 16 A with retaining clip |
| DC Output | 2 x Phoenix PCV6-16/2-G1F-10,163 with locking screws Cable connector: Phoenix PC 16/2-STF-10,162 - Min. wire size: 0.75 mm² - Max. wire size: 16 mm² - Strip length: 12 mm |
| Alarm Contact | 3-pole Phoenix socket type MC 1,5/3-G-3,81 Cable connector: Phoenix MC 1,5/3-ST-3,81 - Min. wire size: 0.14 mm² - Max. wire size: 1.5 mm² - Strip length: 7 mm |
| Alarm Contact Rating | 100 mA / 30 V |
| Undervoltage Alarm Contact | Relay de-energizes when output voltage drops below 22 V DC |