TRIPP LITE PR-10A Bench Power Supply 13.8VDC

( Brand: Tripp Lite ), ( Manufacturer Part Number: PR-10A ), ( Compatible Brand: Universal ), ( Type: Bench Power Supply )

Review TRIPP LITE Vintage 13.8vdc 10a Regulated Bench Power Supply Model Works

The **Tripp Lite PR-10A 13.8V DC Bench Power Supply** is a robust, high-performance power solution designed to deliver reliable and precise voltage regulation for a wide range of industrial, laboratory, and electronics applications. Engineered with durability and efficiency in mind, this power supply provides a clean, stable 13.8 volts DC at a maximum current output of 10 amperes, making it ideal for powering sensitive equipment, testing circuits, or supplying power to low-voltage systems in demanding environments. Its compact yet sturdy bench-top design ensures easy integration into workstations, allowing users to maintain optimal workspace organization while benefiting from consistent and adjustable power delivery. The front-panel controls, including a precise digital voltmeter and current meter, offer real-time monitoring of output parameters, enabling users to fine-tune performance with confidence. Built with high-quality components, this power supply features robust overcurrent, overvoltage, and short-circuit protection to safeguard both the connected equipment and the unit itself, minimizing the risk of damage from electrical anomalies. The rugged construction, reinforced with a metal chassis, enhances resistance to vibrations and physical stress, making it suitable for use in workshops, R&D labs, or field applications where reliability is paramount. Whether powering LED drivers, motor controllers, or other low-voltage devices, the PR-10A ensures a steady and dependable energy source, contributing to the seamless operation of critical systems. Its versatile design and professional-grade performance make it a trusted choice for technicians, engineers, and hobbyists seeking a dependable bench power solution.

The Tripp Lite PR-10A is a 13.8V DC, 10A bench power supply designed for general-purpose use in electronics projects, testing, and maintenance. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Tripp Lite PR-10A**

1. **Reliable Brand Reputation**

Tripp Lite is a well-established manufacturer known for producing durable and high-quality power supplies, switches, and accessories. Their products are widely used in professional and DIY electronics environments, which adds credibility to the unit s performance and longevity.

2. **High Current Output (10A)**

The 10A output is sufficient for many applications, including powering small servers, testing circuits, charging batteries, or running low-power devices like Raspberry Pi clusters, LED strips, or small motor controllers. This makes it versatile for hobbyists and professionals alike.

3. **Adjustable Voltage Range (1.2V 13.8V)**

The ability to adjust the output voltage from as low as 1.2V up to 13.8V provides flexibility for a variety of projects. This is particularly useful for testing or powering components that require lower voltages, such as sensors, microcontrollers, or analog circuits.

4. **Digital Display and Controls**

The unit features a clear digital display that shows real-time voltage, current, and power readings. This makes it easy to monitor output parameters without the need for additional meters. The front-panel controls (voltage and current adjustment knobs) are intuitive and user-friendly.

5. **Overvoltage and Overcurrent Protection**

The PR-10A includes built-in protection features such as overvoltage and overcurrent protection, which help prevent damage to connected devices or the power supply itself. While no power supply is entirely immune to faults, these protections add an extra layer of safety.

6. **Compact and Bench-Friendly Design**

The power supply is designed for bench use, with a sturdy form factor that fits well on a workbench or lab setup. Its size makes it portable enough for small workshops or field testing while still being robust.

7. **Fan-Cooling for Reliable Operation**

The unit is equipped with a cooling fan, which helps maintain stable performance under continuous load. This is particularly important for higher-power applications where heat dissipation is critical.

8. **Good for Educational and Testing Purposes**

The PR-10A is an excellent tool for electronics education, allowing students or hobbyists to experiment with different voltage and current levels safely. Its adjustable nature makes it ideal for troubleshooting or prototyping.

9. **Affordable for Its Specifications**

Compared to other high-quality adjustable power supplies in the 10A range, the Tripp Lite PR-10A offers a good balance of performance and cost. It is often priced competitively, making it accessible for both beginners and experienced users.

10. **Compatibility with a Wide Range of Devices**

The 13.8V output is compatible with many standard electronic components, including Arduino boards, Raspberry Pi power supplies (with appropriate voltage regulation), small servers, and other low-voltage devices.

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### **Cons of the Tripp Lite PR-10A**

1. **No Remote Sensing or Automatic Voltage Regulation (AVR)**

The PR-10A lacks remote sensing, which means the output voltage may vary slightly depending on the length of the wiring between the power supply and the load. This can be an issue for sensitive circuits where voltage drop over long cables is a concern. Additionally, it does not have automatic voltage regulation (AVR) for fluctuating input voltages, which could lead to minor output instability if the input power is inconsistent.

2. **Limited Maximum Power Output**

While the 10A at 13.8V gives a maximum power output of approximately 138W, this is relatively modest compared to higher-end power supplies. For applications requiring significantly more power (e.g., powering multiple high-current devices simultaneously), this unit may struggle or require additional cooling.

3. **No USB or Communication Ports for Advanced Monitoring**

Unlike some modern power supplies, the PR-10A does not include USB or RS-232 ports for advanced monitoring or programming. This limits its use in automated testing setups or systems requiring remote control or data logging.

4. **Potential for Noise in Analog Circuits**

The internal switching components (if any) or the fan may introduce some electromagnetic interference (EMI) or noise, which could affect sensitive analog circuits or audio applications. While the PR-10A is likely a linear supply (not switching), users working with highly sensitive equipment should test for interference.

5. **No Built-in Short-Circuit Protection for Extended Periods**

While the unit has overcurrent protection, it may not be designed to handle prolonged short circuits without risking damage. Continuous short circuits can cause the power supply to overheat or fail, so users must exercise caution.

6. **Durability Concerns with Heavy Use**

While Tripp Lite products are generally robust, heavy-duty use (e.g., continuous operation at full load for extended periods) could lead to wear on components like the fan or internal wiring. This is a common issue with many power supplies and not unique to this model.

7. **No Adjustable Current Limit (Soft Start)**

Some higher-end power supplies offer adjustable current limits or soft-start features to protect components during power-up. The PR-10A does not include these, which could potentially stress sensitive devices if they are not properly rated for the power supply s output.

8. **Limited Warranty Compared to Some Competitors**

Tripp Lite typically offers a 2-year warranty, which is standard for many power supplies. However, some competitors or high-end brands may offer longer warranties (e.g., 3 5 years) or more comprehensive support, which could be a consideration for professional users.

9. **No Built-in Metering for Power Factor or Harmonic Distortion**

For advanced applications (e.g., powering sensitive electronic loads or testing power efficiency), the lack of metering for power factor or harmonic distortion means users cannot monitor these parameters directly.

10. **Potential for Outdated Firmware or Software**

Since the PR-10A is a hardware-only unit without firmware updates, users are limited to the features available at the time of purchase. This could be a drawback if Tripp Lite releases software updates or new features for other models in the future.

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### **Conclusion**

The Tripp Lite PR-10A is a solid, reliable, and versatile adjustable power supply that excels in general-purpose electronics work, testing, and educational settings. Its adjustable voltage range, high current output, digital display, and brand reputation make it a practical choice for hobbyists, students, and professionals who need a dependable power source for low-to-medium power applications. The inclusion of basic protection features and a compact design further enhances its usability.

However, its limitations such as the lack of remote sensing, advanced monitoring features, or extended warranty may make it less ideal for high-end professional use, sensitive analog circuits, or applications requiring precise power regulation. For most users, the PR-10A strikes a good balance between performance and affordability, making it a recommended purchase for those who prioritize reliability and simplicity over cutting-edge features.

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### **Recommendation**

- You need a reliable, adjustable power supply for general electronics projects, testing, or educational purposes.

- Your applications require up to 10A at voltages between 1.2V and 13.8V.

- You value a well-known brand with a focus on durability and ease of use.

- You are working with devices that do not require advanced metering, remote sensing, or automated control.

- You are on a budget but still want a quality power supply that won t let you down for basic to intermediate tasks.

- You need remote sensing or more precise voltage regulation for long cable runs.

- Your projects require higher power outputs (e.g., >150W) or more advanced monitoring features.

- You work with highly sensitive analog circuits or audio applications where noise or interference could be an issue.

- You prefer a power supply with a longer warranty or additional software features for automation.

For most hobbyists, small workshops, or educational settings, the Tripp Lite PR-10A is an excellent and cost-effective choice. For more demanding or professional applications, you may want to explore higher-end models with additional features or consider specialized power supplies tailored to your specific needs.

Details:

Any questions feel free to ask. Vintage Tripp Lite 13.8V 10A Precision Regulated DC Bench Power Supply model PR-10a WORKS. This older unit from Tripp Lite is very heavy and well built. Unit is in good overall cosmetic condition and clean.

part #: pr10a prices

• $32.99-$35.00

specifications powesupplipar:

• brand: Tripp Lite
• mpn: Pr-10a
• compatible brand: Universal
• type: Bench Power Supply

returns powesupplipar:

• policy: No Returns

offer powesupplipar:

• quantity: 1
• availability: In Stock
• options: Ship-to-home
• started: February 1, 2026
• best offers: True
• sold: 0

payments powesupplipar:

• credit card: Mastercard
• other
• wallet: Paypal

general powesupplipar:

• Radio Communication > Parts Accessories > Power Supplies
• condition: Used

seller powesupplipar:

• city: Campbell, Ohio
• rating: 100.0%
• # reviews: 1216

shipping powesupplipar:

• type: Calculated
• carrier: USPS
• cost: $30.65
• transit: 4-8 Days
• service: USPS Ground Advantage
• class: Standard

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