DC Laboratory Power Supply for Circuit Prototyping and Debugging, NICE-POWER R-SPS2003, 200V 3A 600W

$229.99
$229.99
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InputVoltage: AC220V(±10%)
Model: R-SPS2003
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DC Laboratory Power Supply for Circuit Prototyping and Debugging, NICE-POWER R-SPS2003, 200V 3A 600W

DC Laboratory Power Supply for Circuit Prototyping and Debugging, NICE-POWER R-SPS2003, 200V 3A 600W

$229.99

DC Laboratory Power Supply for Circuit Prototyping and Debugging, NICE-POWER R-SPS2003, 200V 3A 600W

$229.99
InputVoltage: AC220V(±10%)
Model: R-SPS2003

Download English Manual (PDF)

Click the link above to get the full user guide for this product.

DC Laboratory Power Supply for Circuit Prototyping

and Debugging, NICE-POWER R-SPS2003, 200V 3A

600W

The NICE-POWER R-SPS2003 High Power Basic Series is an adjustable DC laboratory power supply designed for circuit prototyping, electronic debugging, and power electronics development. With a 0–200V adjustable voltage output, 0–3A current output, and 600W rated power, it provides a controllable DC power source for engineers, technicians, and researchers working on electronic circuits and prototypes. 

During circuit development and debugging, engineers often need a flexible DC source to power different prototypes, verify circuit operation, and check current consumption under various conditions. The R-SPS2003 allows users to manually adjust output voltage and current settings while monitoring voltage, current, and power values through the digital display.

The R-SPS series includes the R-SPS2003 standard version and the R-SPS2003-R programmable version. USB, RS232, and RS485 communication interfaces are optional configurations and should be confirmed according to the selected model. These interfaces are not standard features on every unit.

The R-SPS2003 is a general-purpose adjustable DC power supply for circuit development and testing. It provides DC power input conditions for prototypes and electronic systems but does not replace dedicated circuit analyzers, oscilloscopes, or automatic test systems.

Key Features

0–200V Adjustable DC Output for Circuit Prototyping

The R-SPS2003 provides a wide adjustable output voltage range from 0 to 200V, allowing engineers to supply compatible electronic circuits and prototypes with different DC voltage conditions.

During prototype development, users can manually set the required output voltage according to the circuit design requirements and verify basic circuit operation within the rated output range.

600W Rated Power for Laboratory Circuit Testing

With a rated output power of 600W, maximum output voltage of 200V, and maximum output current of 3A, the R-SPS2003 supports various laboratory and engineering bench applications.

It can provide DC power for electronic prototypes, control circuits, power conversion circuits, and other compatible applications that require adjustable DC input.

Voltage Current and Power Display for Debugging

The four-digit voltage and current display, together with power display, allows users to monitor output conditions during circuit testing.

Engineers can observe voltage, current, and power changes while debugging circuits, checking load conditions, or evaluating prototype performance.

Output ON/OFF Control for Safe Circuit Setup

The Output ON/OFF function allows users to control the DC output during circuit connection, adjustment, and troubleshooting.

Engineers can prepare the circuit setup first, confirm output parameters, and then enable the output when ready.

Encoder Knob Adjustment for Flexible Testing

The encoder knob allows convenient manual adjustment of voltage and current settings.

This flexibility helps engineers prepare different DC supply conditions when developing and debugging multiple circuit designs.

Front Panel and Rear Panel Dual Output Ports

The R-SPS2003 provides front-panel and rear-panel output terminals for different laboratory setups.

The front-panel output is suitable for connections below 5A, while the rear-panel output can support full-rated-power operation.

Users can select the appropriate output connection according to their circuit requirements.

Standard and Programmable Model Options

The R-SPS2003 is the standard version, while the R-SPS2003-R is the programmable version.

For the R-SPS2003-R programmable model, USB, RS232, and RS485 communication interfaces are optional configurations. Please confirm the required communication interface before ordering.

Applications

Electronic Circuit Prototype Power-Up

The R-SPS2003 can provide adjustable DC power for newly developed electronic circuits during initial power-up and functional checks.

Engineers can gradually apply suitable voltage conditions and observe output voltage, current, and power readings during prototype operation.

Circuit Debugging and Troubleshooting

During circuit debugging, engineers can use the R-SPS2003 as a controllable DC source to supply power while checking circuit behavior.

The displayed voltage, current, and power values help users monitor the power supply condition during troubleshooting.

Power Electronics Circuit Development

The adjustable 0–200V DC output makes the R-SPS2003 suitable for compatible power electronics prototypes requiring higher voltage DC input.

It can support development work involving power conversion circuits, control circuits, and electronic system prototypes.

Laboratory Testing and Engineering Evaluation

The R-SPS2003 can be used as a laboratory DC power source for engineering experiments, product development, and electronic system evaluation.

For detailed signal analysis, waveform measurement, or advanced circuit characterization, additional instruments such as oscilloscopes or electronic loads may be required.

Quality Check and Terms of Service:

  • Package includes: DC Power Supply × 1, Output Power Cord × 1, Input Power Cord × 1, User Manual × 1, Warranty Card × 1.
  • Has passed CE & FCC Certification.
  • All DC power supplies and accessories are inspected before shipment to ensure good quality.
  • Customer support: Contact us with any questions, and we'll respond within 24 hours.

Technical Specifications

Specification Details
Product Model R-SPS2003 / R-SPS2003-R
Product Type Adjustable DC Laboratory Power Supply
Application Circuit Prototyping and Debugging
Rated Voltage 0–200V
Rated Current 0–3A
Rated Power 600W
Operating Temperature 0℃–40℃
Load Regulation Voltage ≤0.1% + 10mV
Load Regulation Current ≤0.1% + 2.5mA
Line Regulation Voltage ≤0.01% + 2.5mV
Line Regulation Current ≤0.1% + 2.5mA
Setting Resolution Voltage 10mV
Setting Resolution Current 10mA
Readback Resolution Voltage 10mV
Readback Resolution Current 10mA
Setting Accuracy Voltage ≤0.05% + 10mV
Setting Accuracy Current ≤0.01% + 10mA
Readback Accuracy Voltage ≤0.05% + 10mV
Readback Accuracy Current ≤0.01% + 10mA
Voltage Ripple ≤200mVp-p / ≤20mVrms
Current Ripple ≤20mArms
Rise Time No Load ≤150ms
Rise Time Full Load ≤200ms
Fall Time No Load ≤15s
Fall Time Full Load ≤50ms
Dynamic Response ≤20ms
Efficiency ≥85%
Product Size Approx. 26.5 × 18.5 × 8cm
Net Weight Approx. 2.8kg
Package Size Approx. 38 × 24.5 × 12.5cm
Package Weight Approx. 3.3/3.5kg

Why Choose NICE-POWER R-SPS2003?

The NICE-POWER R-SPS2003 provides a high voltage adjustable DC power solution for circuit prototyping, debugging, and laboratory testing.

With 0–200V output capability, 600W rated power, and clear voltage, current, and power displays, it helps engineers establish controlled DC power conditions during prototype development and circuit evaluation.

The R-SPS2003 standard version is suitable for general adjustable DC power applications, while the R-SPS2003-R programmable version provides an option for users who require programmable operation.

USB, RS232, and RS485 communication interfaces are optional configurations and should be confirmed before ordering. The power supply should be used together with appropriate external instruments when performing advanced circuit analysis or automated testing.

Warranty

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.

What is the 30-Day Price Guarantee?

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.)

How Does the Price Guarantee Apply?

  • Eligibility: The price guarantee applies only to purchases made on kuaiquinstrument.com. Products purchased from other retailers or third-party sellers are not eligible.
  • Timeframe: The price drop must occur within 30 days of your original purchase date.
  • Product Match: The price guarantee applies to the same product (identical model, specifications, and condition).

How to Apply for a Price Difference Refund

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:

  • Documentation: Prepare your order number and proof of the price drop (such as a screenshot and link to the product page showing the reduced price).
  • Contact Us: Reach out to our customer support team at kuaiquinstrument@163.com. Include your order number, proof of the price drop, and a brief explanation of your request.
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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.

FAQs

Still confused about our DC regulated power supplies after checking the FAQs? Please contact our customer service, we are ready to solve all your problems.

Use overlay text to give your customers insight into your brand. Select image and text that relates to your style and story.

Our customer service can walk you through all settings. You can also watch full operation tutorials on our YouTube channel, including OVP, OCP, memory storage function and other operation guides. Our official blog also has lots of technical articles for reference.

Partial KUAIQU power supplies support program control with USB, RS232, RS485 interfaces, based on Modbus protocol. Remote control can be realized via our self-developed PC software. If you need this function and confirm interface configuration of a model, email us: kuaiquinstrument@163.com..

The banana plug adopts cross-slot design. Pry the metal slot slightly open with a screwdriver to make the plug clamp terminals tighter and safer..

All KUAIQU DC power supplies support basic battery charging. For dedicated long-term charging, our patented battery-charging model with independent BATTERY key and full charging protection is highly recommended.

A certain amount of ripple is normal for all switching DC power supplies. Ripple is a small residual AC component superimposed on the DC output and is an inherent characteristic of switching power supply technology. The typical ripple voltage of our power supplies ranges from approximately 100 mV to 300 mV, which is suitable for most general-purpose testing, maintenance, and electronic applications.

A: Minor fluctuations in the last displayed digit are normal and are typically caused by temperature drift within the electronic components. As ambient and internal temperatures change, small variations in the readings may occur. This falls within normal industry tolerances and does not affect the power supply's suitability for everyday electronics work, home repairs, DIY projects, or general testing. For applications requiring extremely high precision and ultra-stable output, a linear DC regulated power supply may be more appropriate.

This is normal and does not indicate a malfunction. The internal capacitors continue to hold a small amount of stored energy after the power is switched off. As the capacitors discharge, the display will gradually turn off, typically within 5–8 seconds.

In CV mode, the power supply maintains a fixed output voltage while the current varies according to the load. In CC mode, the power supply limits the output current to a preset value, automatically reducing voltage if necessary. CC mode is especially useful for battery charging, LED testing, and protecting electronic components.

This is normal behavior. The power supply contains internal filter capacitors that store electrical energy. When the output voltage is reduced, these capacitors require a few seconds to discharge, causing the displayed voltage to decrease more gradually than when increasing the voltage. Q: Why does t

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FAQs

If you have any other questions or technical doubts about our DC power supplies, please feel free to contact us anytime. Our professional support team will reply to you as soon as possible.

Output ripple refers to small residual AC fluctuations present in the DC output. Lower ripple levels provide cleaner power, which is important when testing sensitive electronics, RF circuits, audio equipment, and precision instruments.

Yes, all DC regulated power supplies manufactured by KUAIQU support battery charging. However, if you mainly intend to charge batteries, I would highly recommend our patented DC power supply specially designed for battery charging. It comes with an exclusive dedicated BATTERY function key, and built-in specialized charging protection functions to safeguard your batteries during the whole charging process..

This is normal behavior. The power supply contains internal filter capacitors that store electrical energy. When the output voltage is reduced, these capacitors require a few seconds to discharge, causing the displayed voltage to decrease more gradually than when increasing the voltage..

This is normal and does not indicate a malfunction. The internal capacitors continue to hold a small amount of stored energy after the power is switched off. As the capacitors discharge, the display will gradually turn off, typically within 5–8 seconds..

This is a common operation issue for adjustable DC power supplies. Please follow the steps below to solve the voltage adjustment failure: Turn the current adjustment knob clockwise moderately to set the unit to constant voltage (C.V) mode; After confirming the power supply enters CV mode, turn the voltage adjustment knob clockwise, then you can freely adjust the output voltage value..

It is recommended to pre-adjust the voltage to around 5V before operation. This step prevents spark generation when connecting short-circuited loads, which effectively avoids safety accidents and other hidden electrical hazards..

A: Our banana plug adopts cross-slot design. If the plug becomes loose, use a screwdriver to slightly pry open the metal slot, which can make the plug clamp tighter and connect more safely..

Some models of our KUAIQU DC regulated power supplies support programmable control. They are equipped with USB, RS232 or RS485 communication interfaces and adopt the Modbus protocol. You can realize remote control easily by using our self-developed PC software. If you need programmable control but are unsure whether a specific model comes with your required communication interface, please feel free to contact us via email: kuaiquinstrument@163.com.

If you have any confusion about using OVP, OCP and other built-in functions, our professional customer support staff will provide targeted guidance for you. We also upload complete step-by-step tutorial videos on our official YouTube channel. Apart from OVP and OCP over-protection setup, the videos demonstrate memory storage function and all common operation skills. You can visit our channel via https://www.youtube.com/ In addition, our official blog contains a large number of popular science and technical articles about DC power supplies, you can search and browse related content to solve your problems.

In CV mode, the power supply maintains a fixed output voltage while the current varies according to the load. In CC mode, the power supply limits the output current to a preset value, automatically reducing voltage if necessary. CC mode is especially useful for battery charging, LED testing, and protecting electronic components.