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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 KQ-4KD 4 Channel DC Power Supply is a high precision programmable DC power supply designed for electronics engineers, R&D teams, laboratories, and production testing applications.
Unlike traditional single output bench power supplies, the KQ-4KD provides four independent adjustable DC outputs, allowing engineers to power, test, and monitor multiple electronic devices simultaneously.
With advanced functions including programmable control, low ripple output, multiple protection systems, parameter storage, and USB/RS232/RS485 communication, this laboratory power supply delivers accurate and reliable power management for professional testing environments.
The LED display shows voltage, current, and power values for all four channels at the same time.
Engineers can monitor testing conditions instantly and improve troubleshooting efficiency.
Designed with high accuracy and high-resolution adjustment for stable DC output.
Low ripple and low noise performance provide clean power for sensitive electronic circuits and precision testing.
Supports USB, RS232, and RS485 communication interfaces for PC-based control and automated testing systems.
Ideal for laboratory applications, production lines, and customized test platforms.
Each output channel features independent Over Voltage Protection (OVP) and Over Current Protection (OCP).
Protect connected devices from abnormal voltage or current conditions during testing.
Each channel supports 3 groups of preset parameters, allowing users to save and quickly recall frequently used voltage and current settings.
Improve efficiency in repeated testing and production environments.
The smart cooling system automatically adjusts fan speed according to internal temperature.
Provides effective heat dissipation while reducing operating noise for a quieter working environment.
Each channel has an individual output switch, allowing users to activate or disable channels separately without changing preset parameters.
Provides more flexible and safer operation during testing.
Equipped with USB-A and USB-C charging ports for convenient power supply of USB devices, development boards, and electronic accessories.
Provides precise voltage and current adjustment with excellent control accuracy.
Suitable for professional applications including electronics R&D, PCB testing, laboratory experiments, and product verification.
• Electronics R&D
Prototype development, PCB testing, circuit debugging, and hardware verification.
• Laboratory Testing
Electronic experiments, engineering education, and precision measurements.
• Production Testing & Quality Control
Product inspection, functional testing, and aging tests.
• Automated Test Systems
PC-controlled testing, system integration, and production automation.
• Embedded System Development
Powering and testing MCU, sensors, communication modules, and electronic boards.
• Multi-Device Testing
Simultaneous testing of multiple circuits, modules, and electronic components.
• Communication & Industrial Electronics
Stable power supply for control systems, electronic equipment, and measurement devices.
Quality Check and Terms of Service
| SPECIFICATION | PARAMETERS | KQ305-4KD | KQ605-4KD |
|---|---|---|---|
| Rated Output | Voltage | 30V | 60V |
| Current | 5A | 5A | |
| Power | 150W | 300W | |
| Load regulation rate | Voltage | ≤0.3%+20mV | ≤0.2%+20mV |
| Current | colspan | colspan | |
| Power regulation rate | Voltage | ≤0.1%+20mV | ≤0.05%+20mV |
| Current | ≤0.1%+10mA | colspan | |
| Set value resolution | Voltage | 10mV | 10mV |
| Current | 1mA | 1mA | |
| Read back value (Display resolution) | Voltage | 10mV | 10mV |
| Current | 1mA | 1mA | |
| Set value accuracy | Voltage | ≤0.3%+10mV | ≤0.2%+10mV |
| Current | ≤0.01%+15mA | ≤0.01%+15mA | |
| Read back value (Display accuracy) | Voltage | ≤0.3%+10mV | ≤0.2%+10mV |
| Current | ≤0.1%+15mA | ≤0.1%+15mA | |
| Ripple (20Hz～20MHz) | Voltage | ≤60mV(p-p) | ≤100mV(p-p) |
| Current | ≤20mA(rms) | ≤50mA(rms) | |
| Rise time (No load) | Voltage | ≤200ms | ≤200ms |
| Rise time (Full load) | Voltage | ≤500ms | ≤500ms |
| Fall time (No load) | Voltage | ≤20s | ≤20s |
| Fall time (Full load) | Voltage | ≤200ms | ≤200ms |
| Efficiency (Full power.) | ≥83% | ≥83% | |
| Input Voltage | 200Vac～240Vac 50Hz (100Vac～120Vac 60Hz) | 200Vac～240Vac 50Hz (100Vac～120Vac 60Hz) | |
| Product Dimension | 292.9mm×280.9mm×184.2 mm | 292.9mm×280.9mm×184.2 mm | |
| Product Weight | 7 Kg | 7 Kg | |
| Fuse | 230V input | 10A | 10A |
| 115V input | 20A | 20A |
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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