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The KUAIQU KQ-4KD Series 30V 4-channel programmable DC power supply is designed for university electronics laboratories, educational research, and electrical engineering experiments. Available in 5A and 10A models, this multi-channel DC power supply features four independent output channels for powering and monitoring multiple electronic circuits and experimental modules. With programmable control, real-time voltage, current, and power monitoring, individual channel protection, and preset parameter storage, this four-channel bench power supply provides a versatile solution for electronics education, circuit development, academic research, and laboratory testing.
With four independent output channels, the KQ-4KD Series allows students, educators, and researchers to power multiple electronic circuits from one instrument. This 4-channel laboratory power supply simplifies experimental setups and supports multi-circuit projects, electronics demonstrations, and practical engineering coursework.
The series offers 30V output options in 5A and 10A configurations to accommodate different laboratory power requirements. Whether used for low-power circuit experiments or electronic modules requiring greater current, this adjustable multi-channel DC power supply provides flexible power options for educational and research applications.
The display provides voltage, current, and power readings for the output channels, helping users observe electrical parameters during experiments. This four-output DC power supply supports circuit analysis, experimental comparisons, electronic module evaluation, and hardware debugging in university laboratories.
USB, RS232, and RS485 communication support enables integration with compatible computer-controlled laboratory setups. This programmable multi-channel power supply is suitable for repeatable experiments, research procedures, and electronic test systems that require remote power control.
Each output channel features over-voltage protection (OVP) and over-current protection (OCP). These protection functions help safeguard connected circuits against abnormal voltage and current conditions, supporting more controlled operation in educational laboratories and research environments.
Each channel supports three groups of stored parameter settings, allowing users to recall frequently used voltage and current values. This function is useful for recurring laboratory experiments, teaching demonstrations, and research workflows that require consistent power settings.
Individual channel output switches allow users to activate or deactivate specific outputs as needed. This is convenient when changing circuit configurations, testing separate electronic modules, or conducting experiments that involve multiple independently powered circuits.
The intelligent cooling fan adjusts its operation according to internal temperature, helping manage heat while reducing unnecessary fan noise at lower cooling demand. This design is suitable for shared electronics laboratories, engineering classrooms, and research workstations.
Integrated USB-A and USB-C ports provide convenient power for compatible USB devices and accessories. These additional connections can be useful when working with development boards and USB-powered equipment alongside the main DC outputs.
With 10mV voltage setting resolution and 1mA current setting resolution, the KQ-4KD Series supports fine output adjustments for laboratory experiments and electronic circuit development. It is suitable for circuit analysis, prototype debugging, and research projects that require controlled DC power.
University Electronics Laboratories: Four-channel power supply for circuit experiments, electronics demonstrations, and engineering coursework.
Educational Research: Multi-channel programmable DC power supply for academic experiments and university research projects.
Electrical Engineering Education: Multi-output bench power supply for voltage and current experiments, circuit analysis, and practical electronics training.
Electronic Circuit Development: Programmable power supply for circuit prototyping, module evaluation, and hardware debugging.
Laboratory Testing: Four-channel DC power supply for multi-circuit testing, experimental comparisons, and electrical parameter monitoring.
Automated Research Systems: Computer-controlled multi-channel power supply for compatible test platforms and repeatable experimental procedures.
Student Engineering Projects: Four-output power supply for graduation projects, prototype development, and electronic engineering assignments.
DC Power Supply × 1
Output Cable × 1
Input Power Cable × 1
User Manual × 1
Warranty Card × 1
| Item | Parameter | KQ305-4KD | KQ3010-4KD |
|---|---|---|---|
| Rated Output | Voltage | 30V | 30V |
| Current | 5A | 10A | |
| Power | 150W | 300W | |
| Load regulation rate | Voltage | ≤0.3%+20mV | ≤0.5%+30mV |
| Current | ≤0.1%+15mA | ≤0.1%+15mA | |
| Power regulation rate | Voltage | ≤0.1%+20mV | ≤0.1%+20mV |
| Current | ≤0.1%+10mA | ≤0.1%+10mA | |
| Set value resolution | Voltage | 10mV | 10mV |
| Current | 1mA | 1mA | |
| Read back value resolution (Display resolution) | Voltage | 10mV | 10mV |
| Current | 1mA | 1mA | |
| Set value accuracy | Voltage | ≤0.3%+10mV | ≤0.3%+10mV |
| Current | ≤0.01%+15mA | ≤0.01%+15mA | |
| Read back value accuracy (Display accuracy) | Voltage | ≤0.3%+10mV | ≤0.3%+10mV |
| Current | ≤0.1%+15mA | ≤0.1%+15mA | |
| Ripple (20Hz～20MHz) | Voltage | ≤60mV(p-p) | ≤80mV(p-p) |
| Current | ≤20mA(rms) | ≤25mA(rms) | |
| Voltage(rms) | ≤20mV(rms) | ≤25mV(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 | Vac | 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 |
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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