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The KUAIQU SPS1203C 120V 3A DC power supply is designed for engineers and R&D teams working with power electronics, electronic components, prototype circuits, and higher-voltage DC applications.
With 0–120V adjustable output, up to 3A current, and 360W maximum output, this 120V 3A DC power supply provides a wider voltage range than conventional 30V and 60V bench supplies. It is suitable for power electronics testing, electronic component evaluation, circuit development, and prototype testing.
The SPS1203C is ideal for engineering laboratories, university electronics labs, R&D departments, power electronics development benches, and prototype evaluation environments.
Higher-Voltage Adjustable DC Output:
The SPS1203C provides 0–120V and 0–3A adjustable output, making it a practical 120V adjustable power supply for electronic R&D, prototype circuits, and power electronics experiments.
Smart Battery Charging:
Reverse polarity protection helps reduce the risk of incorrect battery connections, while automatic overcharge protection stops charging when the battery reaches full capacity. Real-time Ah monitoring provides useful charging information during battery-related R&D.
Multi-Protocol USB Fast Charging:
USB-A supports PE1.1/2.0, Apple BC1.2, AFC, FCP, and QC2.0/QC3.0, while USB-C supports PE1.1/2.0, Apple BC1.2, AFC, FCP, QC2.0/QC3.0, PD3.0, and PPS for modern electronics and development equipment.
OCP for Prototype Testing:
Integrated Over Current Protection helps protect connected circuits during power electronics testing, electronic component testing, and prototype evaluation.
Controlled R&D Operation:
The encoder knob enables precise voltage and current setting, while optional audio feedback makes parameter adjustment convenient during repeated laboratory experiments.
Power Electronics R&D
The SPS1203C serves as a power electronics testing power supply for developing and evaluating electronic circuits, modules, and prototypes that require an adjustable DC source up to 120V.
Electronic Component Evaluation
Engineers can use the 120V DC power supply for electronic component testing when evaluating components and circuits that require a higher DC test voltage than standard 30V or 60V bench supplies.
Prototype Circuit Development
The adjustable output makes the SPS1203C a useful 120V DC power source for prototype testing, allowing engineers to gradually change voltage while observing circuit response.
Engineering & University Laboratories
The 120V 3A bench power supply is suitable for engineering labs, university electronics experiments, circuit development, and controlled power electronics research.
| Parameter | Sub-parameter | SPS1203C |
|---|---|---|
| Rated Value (0℃~40℃) | Voltage | 0-120V |
| Current | 0-3A | |
| Power | 360W | |
| USB/Type-C Output | - | Same as left |
| Load Regulation | Voltage | ≤0.3%+10 mV |
| Current | ≤0.1%+2.5 mA | |
| Line Regulation | Voltage | ≤0.01%+2.5 mV |
| Current | ≤0.1%+2.5 mA | |
| Setting Resolution | Voltage | <100V: 10mV
|
| Current | 1mA | |
| Readback Resolution | Voltage | <100V: 10mV
|
| Current | 1mA | |
| Setting Accuracy | Voltage | ≤0.01%+15mV |
| Current | ≤0.01%+10mA | |
| Readback Accuracy | Voltage | ≤0.01%+15mV |
| Current | ≤0.01%+10mA | |
| Ripple (20Hz~20MHz) | Voltage | ≤300 mVp-p / ≤30 mVrms |
| Current | ≤30 mArms | |
| Rise Time (No Load) | Time | ≤200mS |
| Rise Time (Full Load) | Time | ≤300mS |
| Fall Time (No Load) | Time | ≤30S |
| Fall Time (Full Load) | Time | ≤300mS |
| Dynamic Response | Time | ≤200mS |
| Efficiency | - | ≥85% |
| Input Voltage/Current | - | AC 220V (AC110V optional) |
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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