KEPCO 051-C Rxt Power Supply 5V 20A 12V 2A

( Brand: Kepco ), ( Manufacturer Part Number: 051-C ), ( Type: Power Supply ), ( Country Of Origin: Japan )

Review KEPCO Rxt Power Supply 5v 20a 12v 2a Tested Working

The **KEPCO 051-C RX-T Power Supply** is a high-performance, versatile bench-top power supply designed for precision applications where reliability, efficiency, and flexibility are paramount. This compact yet robust unit delivers a dual-output configuration, providing a clean and stable **5V at 20A** and a secondary **12V at 2A**, making it an ideal choice for powering a wide range of electronic projects, prototyping setups, and laboratory testing. Engineered with KEPCO s reputation for excellence in precision instrumentation, this power supply combines advanced circuitry with user-friendly controls to ensure seamless operation for both hobbyists and professional engineers.

The **051-C RX-T** features a **regulated, low-noise output**, minimizing ripple and ensuring stable voltage delivery even under heavy loads. Its **constant current (CC) and constant voltage (CV) modes** allow for precise control, protecting sensitive components from overcurrent conditions while maintaining optimal performance. The front panel is equipped with **digital displays** for real-time monitoring of voltage and current, providing clear feedback for accurate adjustments. Additionally, the **programmable output** via the included **remote control interface** enables automated testing and scripting, streamlining workflows for repetitive tasks.

Built with **durability in mind**, the power supply is housed in a sturdy, well-ventilated enclosure that dissipates heat efficiently, ensuring long-term reliability even during extended use. The **overvoltage, overcurrent, and overtemperature protection** circuits act as safeguards, preventing damage to both the power supply and connected devices. Its **compact yet robust design** allows for easy integration into workbenches or rack-mounted systems, while the **intuitive interface** complete with **up/down adjustment knobs, a set button, and a remote control port** ensures effortless operation.

Whether used for **powering microcontroller boards, testing LED arrays, charging batteries, or driving small motors**, the **KEPCO 051-C RX-T** delivers the precision and stability required for demanding applications. Its **high current capacity (20A at 5V)** makes it suitable for high-power projects, while the **12V auxiliary output** provides additional flexibility for secondary components. With its **low ripple and noise performance**, this power supply is also well-suited for **audio applications, signal processing, and sensitive electronic measurements**, where clean power is essential. Overall, the **KEPCO 051-C RX-T** stands as a dependable workhorse, blending **performance, safety, and ease of use** to meet the needs of modern electronics enthusiasts and professionals alike.

The **KEPCO 051-C RXT** is a versatile, high-quality power supply unit designed for laboratory, industrial, and general electronic applications. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the KEPCO 051-C RXT**

1. **Dual Output Voltage (5V and 12V)**

The ability to switch between 5V and 12V makes this power supply highly flexible for a wide range of applications, including Arduino, Raspberry Pi, sensor circuits, and small motor drivers. This eliminates the need for multiple power supplies.

2. **High Current Capacity**

- **5V output:** 20A (100W)

- **12V output:** 2A (24W)

The 20A at 5V is particularly useful for powering multiple USB devices, high-current sensors, or LED strips without overheating.

3. **Precision Regulation**

KEPCO is known for its high-quality, low-noise, and stable voltage regulation. The power supply maintains tight tolerances ( 0.1% for voltage, 0.2% for current), which is crucial for sensitive electronics like data acquisition systems or analog circuits.

4. **Remote Sensing Capability**

The **RXT** model includes remote sensing, which compensates for voltage drops across long cables, ensuring accurate voltage delivery even when the load is far from the power supply. This is a significant advantage in industrial or field applications.

5. **Overcurrent and Overvoltage Protection**

The unit includes built-in protection features to prevent damage from short circuits or excessive loads. This adds a layer of safety for both the power supply and connected devices.

6. **Compact and Durable Design**

The power supply is relatively compact for its power rating, making it suitable for bench-top or embedded systems. Its robust construction ensures reliability in both lab and field environments.

7. **Low Noise and Ripple**

KEPCO power supplies are designed with low ripple and noise, which is essential for sensitive measurements in electronics, audio equipment, or medical devices.

8. **Long Lifespan and Reliability**

KEPCO components are built to last, with minimal failure rates over extended use. This makes it a cost-effective choice in the long run, especially in industrial or research settings.

9. **Easy to Use Interface**

The front panel includes a digital display for real-time monitoring of voltage, current, and power. The controls are intuitive, and the unit supports both manual and remote control via the included DB-9 connector.

10. **Compatibility with Various Loads**

Works well with resistive, capacitive, and inductive loads (within specified limits), making it versatile for prototyping, testing, and production environments.

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### **Cons of the KEPCO 051-C RXT**

1. **Higher Upfront Cost**

Compared to generic or no-name power supplies, the KEPCO 051-C RXT is significantly more expensive. This may be a barrier for hobbyists or small-scale projects on a tight budget.

2. **Limited 12V Output Current**

The 12V output is only rated for 2A, which may be insufficient for higher-power applications (e.g., driving motors, relays, or high-current sensors). Users requiring more 12V current may need an additional power supply.

3. **No Built-in USB or Standard Connectors**

While the 5V output can theoretically power USB devices, it lacks standard USB connectors. Users must provide their own wiring or adapters, which can be inconvenient for quick setups.

4. **No Automatic Switching Between Voltages**

The user must manually switch between 5V and 12V using the front-panel selector. There is no automatic or programmable switching, which may require additional circuitry for dynamic applications.

5. **No Overvoltage Protection for Input**

The power supply does not include protection against overvoltage on the input side (e.g., if connected to an unstable power source). Users must ensure their power source is stable and within the specified input range (100-240V AC).

6. **No Built-in Metering for All Parameters**

While the display shows voltage and current, it does not provide real-time power (W) or efficiency metrics. Advanced users may need to calculate these manually.

7. **Slightly Bulky for Portable Use**

Although compact for a high-power supply, it is not as portable as smaller, lower-power units. This may limit its use in field applications where mobility is critical.

8. **No Built-in Fan (Passive Cooling Only)**

The unit relies on passive cooling (heat sinks) rather than a fan. While this reduces noise, it may require careful placement in high-ambient-temperature environments to prevent overheating under maximum load.

9. **Limited Warranty Compared to Some Brands**

KEPCO s warranty is typically good (e.g., 2-5 years), but some competitors (e.g., Mean Well or TDK-Lambda) offer longer warranties or more extensive customer support.

10. **Not Ideal for High-Power Applications**

While the 5V/20A output is impressive, the 12V/2A limit means it cannot handle high-power loads (e.g., 12V motors or high-wattage LED drivers) simultaneously. Users may need to supplement it with another power supply.

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### **Conclusion**

The **KEPCO 051-C RXT** is an excellent choice for applications requiring **high-precision, dual-voltage output, and reliability**. Its strengths lie in its **accuracy, flexibility, and durability**, making it ideal for **laboratory work, industrial testing, and sensitive electronic circuits**. However, its **higher cost, limited 12V current, and lack of automation** may make it less suitable for **budget-conscious hobbyists or high-power applications**.

If your project demands **stable, low-noise power with the ability to switch between 5V and 12V**, this power supply is a **superior investment**. For **cost-sensitive or high-power needs**, alternatives like **Mean Well LRS series (for 5V/20A) or a separate 12V supply** may be more practical.

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### **Recommendation**

- You need **high-precision, dual-voltage output** for electronics, sensors, or testing.

- Your application requires **remote sensing or stable voltage over long cables**.

- You prioritize **long-term reliability and low noise** over cost.

- You can supplement it with an additional 12V power supply if needed.

- You are on a **tight budget** and can find a similarly rated but cheaper alternative (e.g., some Mean Well or TDK-Lambda models).

- Your project requires **higher 12V current** (e.g., motors, high-wattage loads).

- You need **automatic voltage switching or USB connectivity** without additional wiring.

- You are working in a **highly portable or space-constrained** environment where bulk is a concern.

- For **5V/20A only**, a **Mean Well LRS-50-20** (cheaper but less precise).

- For **12V/5A **, a **separate 12V power supply** (e.g., Mean Well LRS-120-5).

- For **USB-friendly setups**, a **switching power supply with USB outputs** (e.g., **Mean Well HDR series**).

In summary, the **KEPCO 051-C RXT is a premium power supply** that excels in controlled environments where **accuracy and flexibility** are critical. For most hobbyists or general use, a slightly cheaper but still high-quality alternative may suffice.

Details:

Shipping Information. Used, Tested Working, Please See Photos for Condition. KEPCO RXT 051-C POWER SUPPLY 5V 20A, 2 X 12V 2A, Tested Working.

part #: 051 prices

• $26.24-$560.73

specifications automationjack:

• brand: Kepco
• mpn: 051-c
• type: Power Supply
• country of origin: Japan

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• condition: Used
• Business Industrial > Industrial Automation Motion Controls > Other Automation Equipment

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