850AN00050B EATON

850AN00050B EATON Power Board

Product  Description：

The EATON Power Board is essentially the primary Printed Circuit Board (PCB) responsible for power conditioning, conversion, and distribution within a host device. Its function can include AC-DC rectification, DC-DC conversion, voltage regulation, surge suppression, and fault protection. In a complex device like a Variable Frequency Drive (VFD), the power board contains the main switching components (like IGBTs or MOSFETs) that generate the controlled output power. In a smaller control system, it houses the power supply circuitry that steps down and regulates incoming line voltage to the low-voltage DC power ($+5 \text{ V}$, $+12 \text{ V}$, $+24 \text{ V}$) required by the digital control electronics (CPU, memory, I/O modules). Its design is highly robust, featuring large current traces, heatsinks, and specialized components to handle high electrical and thermal stress.

Product Parameters

The parameters are highly dependent on the host product (e.g., UPS vs. VFD), but generally include:

• Input Voltage Range: For example, $100 \text{ V}_{\text{AC}}$ to $240 \text{ V}_{\text{AC}}$ or $480 \text{ V}_{\text{AC}}$.

• Output Voltage(s): Highly regulated DC voltages (e.g., $+24 \text{ V}_{\text{DC}}$, $+5 \text{ V}_{\text{DC}}$) for control circuitry, or high-power AC/DC output for motors or loads.

• Current/Power Rating: Measured in Amperes (A) or Watts (W), reflecting the maximum load it can safely supply or handle.

• Efficiency: Measured as a percentage, indicating how much input power is converted to useful output power (e.g., $90\%$).

• Switching Frequency (for VFD/Inverter boards): Measured in kHz, relating to the speed of power component switching.

• Protection Features: Includes over-voltage, under-voltage, short-circuit, and over-temperature protection circuitry.

Product Advantages

The power boards engineered by EATON are designed with several inherent advantages:

• High Reliability: They are engineered for continuous duty and are built with industrial-grade components to offer long operational life and minimal failure rates under harsh conditions.

• Optimized Performance: The boards are custom-designed for the host EATON equipment, ensuring precise voltage regulation and power quality that perfectly matches the needs of the connected control electronics or loads.

• Energy Efficiency: Modern EATON power board designs often incorporate advanced switching topologies to achieve high power conversion efficiency, reducing heat dissipation and operational energy costs.

• Safety and Compliance: They integrate essential safety features and adhere to strict international standards (such as UL, CE, IEC) for electrical safety and electromagnetic compatibility (EMC).

Important Considerations (Precautions)

Since the Power Board handles significant electrical energy, special precautions are necessary:

• Power Isolation: Before any handling, inspection, or replacement, the host equipment must be completely disconnected from all primary and secondary power sources, and the residual charge in internal capacitors must be allowed to safely discharge.

• Handling Static: As with any sophisticated PCB, electrostatic discharge (ESD) precautions (wearing wrist straps, working on an anti-static mat) must be strictly followed during installation or removal.

• Thermal Management: It is crucial to ensure that the cooling system (fans, heatsinks, vents) associated with the power board operates correctly to prevent overheating, which is the leading cause of power component failure.

• Authorized Replacement: If replacement is necessary, only an original EATON spare part with the exact model number should be used to guarantee electrical compatibility and maintain the equipment's certification.

Product Applications

The EATON Power Board is an indispensable component across EATON’s core product lines:

• Uninterruptible Power Supplies (UPS): Serves as the inverter/rectifier board, converting AC to DC and back to AC to provide clean, conditioned backup power to critical loads.

• Variable Frequency Drives (VFDs): Forms the main power stage, controlling the speed and torque of AC motors by precisely synthesizing the output frequency and voltage.

• Industrial Control Systems (PLCs): Functions as the system power supply module, converting line voltage into the stable low-voltage DC necessary to power the CPU and I/O modules.

• Switchgear and Circuit Protection: May be used in intelligent motor control centers (IMCCs) or monitoring relays to provide power for the control and communication electronics that manage the larger electrical loads.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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