R-SPS30100 High-Current DC Source for DC-DC Converter Testing NICE-POWER 0-30V 0-100A 3000W
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R-SPS30100 High-Current DC Source for DC-DC Converter Testing NICE-POWER 0-30V 0-100A 3000W
R-SPS30100 High-Current DC Source for DC-DC Converter Testing NICE-POWER 0-30V 0-100A 3000W
R-SPS30100 High-Current DC Source for DC-DC Converter Testing NICE-POWER 0-30V 0-100A 3000W
R-SPS30100 High-Current DC Source for DC-DC Converter Testing NICE-POWER 0-30V 0-100A 3000W
R-SPS30100 High-Current DC Source for DC-DC Converter Testing NICE-POWER 0-30V 0-100A 3000W
R-SPS30100 High-Current DC Source for DC-DC Converter Testing NICE-POWER 0-30V 0-100A 3000W
R-SPS30100 High-Current DC Source for DC-DC Converter Testing NICE-POWER 0-30V 0-100A 3000W

R-SPS30100 High-Current DC Source for DC-DC Converter Testing NICE-POWER 0-30V 0-100A 3000W

$699.99
$699.99
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InputVoltage: AC220V(±10%)
Model: R-SPS30100-R
Total parcial: $699.99
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R-SPS30100 High-Current DC Source for DC-DC Converter Testing NICE-POWER 0-30V 0-100A 3000W

R-SPS30100 High-Current DC Source for DC-DC Converter Testing NICE-POWER 0-30V 0-100A 3000W

$699.99
R-SPS30100 High-Current DC Source for DC-DC Converter Testing NICE-POWER 0-30V 0-100A 3000W
R-SPS30100 High-Current DC Source for DC-DC Converter Testing NICE-POWER 0-30V 0-100A 3000W
R-SPS30100 High-Current DC Source for DC-DC Converter Testing NICE-POWER 0-30V 0-100A 3000W
R-SPS30100 High-Current DC Source for DC-DC Converter Testing NICE-POWER 0-30V 0-100A 3000W
R-SPS30100 High-Current DC Source for DC-DC Converter Testing NICE-POWER 0-30V 0-100A 3000W
R-SPS30100 High-Current DC Source for DC-DC Converter Testing NICE-POWER 0-30V 0-100A 3000W

R-SPS30100 High-Current DC Source for DC-DC Converter Testing NICE-POWER 0-30V 0-100A 3000W

$699.99
InputVoltage: AC220V(±10%)
Model: R-SPS30100-R
Product Details

Download English Manual (PDF)

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

R-SPS30100 High-Current DC Source for DC-DC

Converter Testing NICE-POWER 0-30V 0-100A

3000W

The NICE-POWER R-SPS30100-R high-current DC source is designed for bench testing applications that require low-voltage, high-current DC power. With an adjustable output range of 0–30V, an output current of up to 100A, and a rated power of 3000W, it provides a flexible DC input source for testing DC-DC converters and related power modules within the unit’s rated output range.

Voltage, current, and power displays help technicians monitor the power supply’s output during converter testing. The encoder adjustment knobs and front-panel Output ON/OFF control make it convenient to configure output settings and manage testing procedures. For compatible externally controlled test setups, the R-SPS30100-R programmable version also features USB, RS-232, and RS485 communication interfaces.

Key Features

0–30V, 0–100A Output for Low-Voltage High-Current DC-DC Converter Testing

The adjustable 0–30V DC output and maximum current of 100A make the R-SPS30100-R suitable as a DC input source for testing low-voltage, high-current DC-DC converters. Its 3000W rated output supports test requirements that fall within the power supply’s voltage, current, and power limits.

Voltage, Current, and Power Display for Converter Test Monitoring

The four-digit voltage/current display and separate power display allow technicians to observe the power supply’s output readings during bench testing. These readings help users monitor the applied DC voltage, output current, and power while evaluating converter operation under selected supply conditions.

Output ON/OFF Control for Convenient Test Operation

The front-panel Output ON/OFF control allows users to enable or disable the DC output as required during a test procedure. It is useful when preparing connections, beginning a test, or changing the test setup, without needing to switch off the entire power supply each time.

Encoder Knob Adjustment for Flexible DC Input Settings

The front-panel encoder knobs allow users to adjust voltage and current settings for different converter test requirements. This helps technicians configure the power supply for compatible DC-DC converter modules operating within its rated output range.

CV/CC Indicators for Operating-Mode Monitoring

The CV and CC indicators show whether the power supply is operating in constant-voltage or constant-current mode. Together with the voltage and current readings, these indicators help technicians monitor the supply’s operating state during low-voltage, high-current testing.

USB, RS-232, and RS485 Interfaces for Programmable Test Setups

The R-SPS30100-R programmable-control version is equipped with USB, RS-232, and RS485 communication interfaces. These interfaces support connection to compatible external control equipment for computer-assisted or automated DC-DC converter test setups.

Applications

Low-Voltage High-Current DC-DC Converter Testing

Provides adjustable DC input power for bench testing low-voltage, high-current DC-DC converters when the required input conditions are within the power supply’s rated voltage, current, and power limits.

DC-DC Converter Power Module Evaluation

Supports bench evaluation of DC-DC converter modules by allowing technicians to set the DC supply voltage and current and monitor the power supply’s output readings during testing.

High-Current DC Circuit Testing

The output capability of up to 100A makes the power supply suitable for testing compatible low-voltage DC circuits and electrical modules that require a high-current DC source.

Computer-Controlled Converter Test Benches

The USB, RS-232, and RS485 communication interfaces support integration with compatible external control equipment for programmable power-supply operation in computer-assisted test environments.

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.

Certifications: Has passed CE & FCC Certification.

Quality Inspection: 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

Parameter Specification
Product Series NICE-POWER R-SPS High Power Basic Series
Model R-SPS30100-R
Rated Output Voltage 0–30V DC
Rated Output Current 0–100A
Rated Output Power 3000W
Voltage/Current Display Four-digit display
Power Display Yes
Output Control Front-panel Output ON/OFF
Adjustment Method Encoder knobs
Operating Indicators CV/CC
Communication Interfaces USB, RS-232, RS485
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 (20Hz–20MHz) ≤400mVp-p; ≤60mVrms
Current Ripple (20Hz–20MHz) ≤200mArms
Rise Time (No Load) ≤100ms
Rise Time (Full Load) ≤150ms
Fall Time (No Load) ≤15s
Fall Time (Full Load) ≤50ms
Dynamic Response ≤20ms
Efficiency ≥85%

Why Choose NICE-POWER R-SPS30100-R?

The NICE-POWER R-SPS30100-R combines adjustable 0–30V output, up to 100A current, and 3000W rated power for low-voltage, high-current DC testing. Its voltage/current readouts, power display, encoder adjustment, and front-panel Output ON/OFF control help technicians configure and monitor the power supply during DC-DC converter evaluation. USB, RS-232, and RS485 communication interfaces also support compatible externally controlled test setups, making this model a practical DC source for engineering laboratories, electronics development, and power-module testing.

Warranty

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.

Price Guarantee

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.
  • Verification: Our team will verify the price drop and your purchase details.
  • Refund Process: Once verified, we will process the refund for the price difference to your original method of payment. It typically takes 1-3 business days for you to receive the refund.

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.

Contact Support