Bel Fuse / Power-One PFC375-4002 Performance Power Series Power Supply

The Bel Fuse/Power-One PFC375-4002 is a 375W power supply from the Performance Power Series, designed for reliable and efficient power delivery in commercial and industrial applications. It features active Power Factor Correction (PFC) to meet EN61000-3-2 standards and provides tightly regulated DC power. The unit is engineered to deliver full output power with 300 LFM forced-air cooling, with an optional fan available. The PFC375-4002 is equipped with features such as remote sense for the main output, current sharing for redundant configurations, power fail, and DC power good signals, as well as logic level inhibit. It offers overtemperature, overvoltage, and overcurrent protection, and is approved to international regulatory standards, displaying the CE Mark.

### Technical Specifications

* **Model:** Bel Fuse / Power-One PFC375-4002
* **Series:** Performance Power Series
* **Total Output Power:** 360-375 W
* **Input Voltage Range:** 85 – 264 VAC
* **Input Frequency:** 47 – 63 Hz
* **Input Current:** 6 ARMS at 85 VAC, full rated load
* **Input Protection:** Non-user serviceable internally located AC input line fuse, F10A, 250V
* **Power Factor Correction (PFC):** Meets EN61000-3-2
* **Output Configurations:** Available in a variety of single and multiple output configurations
* **Main Output Remote Sense:** Yes
* **Current Sharing:** Accuracy of ±10% with up to 6 parallel units
* **Inhibit Function:** TTL compatible logic signal for inhibiting outputs
* **Power Fail Signal:** Time before regulation dropout due to loss of input power at 110 VAC: 5 ms
* **DC Power Good Signal:** Yes
* **Protection Features:**
* Overtemperature Protection: System shutdown due to excessive internal temperature, automatic reset
* Overvoltage Protection: Yes
* Overcurrent Protection: Automatic recovery upon removal of overload condition
* **Cooling:** Requires 300 LFM forced-air cooling for full output power; factory-installed fan optional
* **Operating Temperature Range:** 0°C to +70°C
* **Hold-Up Time:** 20 ms at full AC input voltage range and full rated load
* **Brown Out Protection:** Maintains regulation at AC input voltages as low as 85 VAC with full rated loads
* **MTBF:** Greater than 1 million hours demonstrated
* **RoHS Compliant:** Yes (for models with ‘G’ suffix)
* **Safety Approvals:** CB, CE, CSA, Nemko
* **Safety Standards:** 62368

### Electrical Specifications (Examples for specific output configurations)

* **Example Output Configuration (PFC375-4002G):**
* V1: 5VDC @ 40A
* V2: 12VDC @ 16A
* V3: 12VDC @ 6A
* V4: 24VDC @ 3A
* **Output Power Rating:** 375W (typical)
* **Line Regulation:** ±0.2% to ±0.5% (Varies by output)
* **Load Regulation:** ±0.4% to ±0.9% (Varies by output)
* **Ripple and Noise:** Maximum 1% peak-to-peak (20 MHz bandwidth)
* **Initial Setting Accuracy:** Varies by output
* **Output Voltage Adjustment Range:** Varies by output
* **Peak Output Current:** Up to 450 Watts for 60 seconds or less (10% duty cycle max.)

### Physical Specifications

* **Mounting Type:** Chassis Mount
* **Dimensions (H x W x D):**
* 228.6 x 127 x 63.5 mm
* 9.00 x 5.00 x 2.50 inches
* **Enclosure:** Protective Cover
* **Connector:** Screw Terminal
* **Mounting Options:** SAE mountings or optional metric mountings

### Interfaces

* **Power Fail Signal:** Active low signal when input power is lost.
* **DC Power Good Signal:** Indicates that the output voltage is within regulation limits.
* **Logic Level Inhibit:** TTL compatible input to disable outputs.
* **Remote Sense:** Compensates for voltage drops in output cabling for the main output.

### Compatibility

* **Multi-Unit Operation:** Designed for main channel current sharing, supporting redundant applications with up to 6 units in parallel.
* **Input Voltage Compatibility:** Accepts universal AC input from 85 to 264 VAC, suitable for global deployment.

### Regulatory and Compliance

* **CE Mark:** Displayed, indicating compliance with relevant European directives.
* **International Regulatory Standards:** Approved to the latest international regulatory standards.
* **Input Transient & ESD Compliance:** Meets EN61000-4-2/-3/-4/-5.
* **RoHS Compliant:** Models with the ‘G’ suffix are RoHS compliant. Models without the ‘G’ suffix are not recommended for new designs or are End-Of-Life (EOL).

Why Choose Aumictech for Bel Fuse / Power-One PFC375-4002?
At Aumictech, we specialize in supplying high-performance power supply equipment. Whether you need robust and reliable power for industrial automation, complex lab instrumentation, or enterprise-level systems, our team ensures the Bel Fuse/Power-One PFC375-4002 delivers maximum performance and stability for your critical applications. We understand the demanding requirements of engineers, system integrators, and procurement specialists, providing access to verified technical documentation and supporting your procurement decisions.