⚡ Spend $200+ 5%OFF | $400+ 8%OFF | $800+ 10%OFF
Need Help?Contact
Couldn't load pickup availability
We offer a 30-day price guarantee: if the price of your purchased item drops within 30 days, we will refund the price difference.
Click the link above to get the full user guide for this product.

The KUAIQU SPPS3001D Adjustable DC Power Supply provides a wide voltage adjustment range from 0-300V with a maximum output power of 300W. For AC DC Converter Testing, engineers can adjust different DC input conditions to evaluate converter response, circuit performance, and voltage conversion characteristics during development and verification.
The adjustable output capability helps users create different test conditions for AC DC converter prototypes, power circuits, and related electronic components without changing multiple power sources.
The SPPS3001D DC Power Supply features a precision encoder adjustment system, allowing users to set voltage and current parameters smoothly during AC DC Converter Testing.
When testing different converter designs or adjusting input conditions, users can quickly modify output values and observe the response of the tested circuit. This helps improve testing efficiency during power electronics development and evaluation.
The full-color LCD display provides clear real-time information of output voltage, output current, and output power.
During AC DC Converter Testing, engineers can directly monitor operating parameters while evaluating converter performance, helping identify changes in power consumption, input requirements, and circuit behavior.
The four-digit display design provides clear parameter viewing for laboratory testing and electronic design verification.
The SPPS3001D includes M1-M4 memory storage functions, allowing users to save commonly used voltage and current settings.
For repeated AC DC Converter Testing tasks, engineers can quickly recall stored parameters instead of manually adjusting settings each time. This function helps improve workflow efficiency when comparing different converter samples or performing repeated evaluations.
The independent output switch allows users to control power delivery to the tested circuit during setup and adjustment.
The panel lock function helps prevent accidental parameter changes during testing, providing more stable operation when working with sensitive AC DC converter circuits and electronic components.
The SPPS3001D provides a built-in 5V 2A USB output interface, allowing convenient power supply for compatible USB-powered devices during laboratory testing environments.
This additional output capability helps organize the workspace when testing electronic systems that require auxiliary low-voltage power.
The SPPS3001D is suitable for AC DC Converter Testing applications where adjustable DC input conditions are required. Engineers can use the 0-300V output range to provide controlled DC power for converter prototypes and evaluate circuit operation under different input voltage conditions.
During power electronics research and development, the adjustable DC output helps engineers analyze converter circuit behavior, verify design performance, and compare different circuit solutions.
The DC Power Supply can provide stable adjustable power for evaluating components used in AC DC conversion circuits, helping engineers observe voltage and current requirements during development.
With LCD monitoring, memory storage, and precise adjustment functions, the SPPS3001D is suitable for laboratory testing, engineering verification, and educational research involving high-voltage DC power applications.
Package Includes:
1 × SPPS3001D DC Power Supply
1 × Output Power Cord
1 × Input Power Cord
1 × User Manual
1 × Warranty Card
Quality Assurance:
CE & FCC Certification
All DC Power Supplies and accessories are inspected before shipment
Customer support within 24 hours
| Parameter | Specification |
|---|---|
| Model | SPPS3001D |
| Output Voltage | 0-300V |
| Output Current | 0-1A |
| Rated Power | 300W |
| USB Output | 5V 2A |
| Display | Full-color LCD Display |
| Memory Function | M1-M4 Storage |
| Voltage Setting Resolution | 100mV |
| Current Setting Resolution | 1mA |
| Voltage Readback Resolution | 100mV |
| Current Readback Resolution | 1mA |
| Load Regulation Voltage | ≤0.3%+10mV |
| Load Regulation Current | ≤0.1%+2.5mA |
| Power Regulation Voltage | ≤0.01%+2.5mV |
| Power Regulation Current | ≤0.1%+2.5mA |
| Voltage Setting Accuracy | ≤0.01%+30mV |
| Current Setting Accuracy | ≤0.01%+10mA |
| Voltage Readback Accuracy | ≤0.01%+30mV |
| Current Readback Accuracy | ≤0.1%+5mA |
| Voltage Ripple | ≤1200mVp-p / ≤140mVrms |
| Current Ripple | ≤80mArms |
| Rise Time | ≤200mS (No Load), ≤300mS (Full Load) |
| Fall Time | ≤5S (No Load), ≤300mS (Full Load) |
| Dynamic Response Time | ≤200mS |
| Efficiency | ≥85% |
| Input Voltage | AC 220V (AC110V Optional) |
| Size | Approx. 24×8.5×16cm |
| Net Weight | Approx. 1.3KG |
The KUAIQU SPPS3001D 300V 1A 300W Adjustable DC Power Supply is designed for engineers and laboratories requiring adjustable DC power during AC DC Converter Testing and power electronics development.
With a wide 0-300V output range, LCD voltage/current/power display, M1-M4 memory storage, precision encoder adjustment, and output control functions, the SPPS3001D provides practical tools for repeated testing, circuit evaluation, and electronic design verification.
Its compact design and stable adjustable output make it suitable for AC DC converter research, power circuit testing, component evaluation, and laboratory applications where controlled DC power is required.
30-Day return and refund guarantee (Refer to our Refund Policy), 2-year warranty (only available for orders purchased directly from kuaiquinstrument.com), lifetime technique support by KUAIQU.
Please feel free to reach us with any concerns:
Email: kuaiquinstrument@163.com
We strive to reply to you within 24 hours.
Shenzhen Kuaiqu Electronic Co., Ltd. was founded in 2014 and is located in Shenzhen City, Guangdong Province. It is a scientific and technological enterprise integrating,production and sales. Specializing in the production of DC stabilized power supply, variable frequency power supply, switching power supply, program-controlled power supply and other 100 kinds of measuring teaching instruments and industrial special equipment.
We are committed to delivering premium products and exceptional customer service, striving to be your most reliable and intelligent assistant.
At KUAIQU, we are committed to providing our customers with the best value for their purchases. To ensure you always get the best price, we offer a 30-day price guarantee on all products purchased directly from kuaiquinstrument.com. This policy aims to give you confidence and peace of mind when shopping with us.
Our 30-day price guarantee means that if you purchase a product from kuaiquinstrument.com and the price of that product drops within 30 days of your purchase date, you are eligible for a refund of the price difference of the products. (Prices are based on USD. No refunds will be given for price changes in other currencies due to exchange rate fluctuations.)
If you notice that the price of a product you purchased from kuaiquinstrument.com has dropped within 30 days, follow these steps to apply for a refund of the price difference:
At KUAIQU, we strive to provide our customers with high-quality products and exceptional customer service. Our 30-day price guarantee is just one of the ways we ensure you get the best value for your investment. Shop confidently with KUAIQU, knowing that you are always getting the best deal available.
Thank you for choosing KUAIQU. If you have any questions or need further assistance, please do not hesitate to contact our customer support team at kuaiquinstrument@163.com.
Thanks for subscribing!
This email has been registered!