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We offer a 30-day price guarantee: if the price of your purchased item drops within 30 days, we will refund the price difference.
The KUAIQU SPPS-Q305 30V 5A DC Power Supply is a precision bench power supply designed for PCB repair, electronics testing, circuit debugging, and small electronic devices. With an adjustable 0–30V output, up to 5A current, and 150W maximum power, it provides stable and controllable DC power for development boards, sensors, electronic modules, routers, and other low-to-medium power equipment.
The SPPS-Q305 combines a color LCD display, USB-A and USB-C fast charging, real-time USB monitoring, and OCP, OVP, and OPP protection in a compact bench power supply. When working with low-voltage circuits, the display provides three decimal places below 10V, allowing users to observe small voltage changes more precisely.
0–30V Adjustable DC Output: Provides up to 5A and 150W for PCB repair, circuit debugging, development board testing, sensor testing, and small electronic devices.
Color LCD Display: Clearly displays output voltage, current, and power, making it convenient to monitor circuit conditions during electronics testing and repair.
High-Resolution Low-Voltage Display: When the output voltage is below 10V, voltage is displayed to three decimal places for more detailed low-voltage circuit testing.
OCP, OVP & OPP Protection: Built-in over-current, over-voltage, and over-power protection helps protect the power supply and connected electronics against abnormal operating conditions.
USB-A & USB-C Fast Charging: Dual USB-A and USB-C ports provide up to 18W USB output and automatically adapt to supported charging protocols.
Real-Time USB Monitoring: USB voltage and current are displayed in real time, making it convenient to monitor USB charging and test USB-powered devices.
Automatic A/mA & W/mW Conversion: Current automatically switches between A and mA, while power switches between W and mW according to the measured value for easier reading.
Output ON/OFF & Panel LOCK: The dedicated output button allows quick power control, while the LOCK function helps prevent accidental panel operation during testing.
Buzzer Alarm with Mute: Audible alerts provide operating and protection notifications, while the buzzer can be muted when silent operation is preferred.
PCB Repair & Troubleshooting: Provides adjustable DC power for PCB repair, circuit troubleshooting, and electronic maintenance.
Development Board Testing: Suitable for Arduino, Raspberry Pi, MCU boards, and other low-voltage development platforms.
Sensor & Module Testing: Suitable for sensors, relay modules, control modules, and other electronic components requiring adjustable DC power.
Small Electronic Devices: Suitable for routers, small networking devices, consumer electronics, and other low-to-medium power DC equipment.
Electronic Component Testing: Useful for testing electronic components and circuit modules under controlled voltage and current conditions.
DIY Electronics Projects: Suitable for circuit prototyping, hobby electronics, and small DC projects.
The SPPS-Q305 is a practical 30V 5A bench power supply for electronics testing, particularly when detailed low-voltage adjustment, convenient USB connectivity, and clear real-time monitoring are important.
DC Power Supply *1
Output Power Cord *1
Input Power Cord *1
User Manual *1
Warranty Card *1
| Parameter Item | SPPS-Q305 | |
|---|---|---|
| Rated Values | Voltage | 0~30V |
| Current | 0~5A | |
| Power | 150W | |
| Load Regulation | Voltage | ≤ 0.01%+25mV |
| Current | ≤ 0.1%+10mA | |
| Line Regulation | Voltage | ≤0.01%+5mV |
| Current | ≤0.1%+5mA | |
| Setting Resolution | Voltage | <10V: 1mV
|
| Current | 1 mA | |
| Readback Resolution (Display Resolution) | Voltage | <10V: 1mV
|
| Current | < 20mA: 10 uA
|
|
| Setting Accuracy | Voltage | ≤0.05%+20mV |
| Current | ≤0.05%+15mA | |
| Readback Accuracy (Display Accuracy) | Voltage | ≤0.05%+20mV |
| Current | <20mA: 0.1%+60uA
|
|
| Ripple (20Hz～20MHz) | Voltage | ≤60mV(p-p)
|
| Current | ≤20mA(rms) | |
| Rise Time (No Load) | Voltage | ≤100ms |
| Rise Time (Full Load) | Voltage | ≤1200ms |
| Fall Time (No Load) | Voltage | ≤2500ms |
| Fall Time (Full Load) | Voltage | ≤100ms |
| Efficiency (Full Power) | / | ≥83% |
| Input Voltage Range | Vac | 200Vac~240Vac |
| Minimum Display Current | mA | 0.01mA |
| Fuse | 220v Input | 3.15A |
| Product Dimensions | / | 218mm89mm150mm |
| Product Weight | / | 1.2KG |
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.
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