High Current DC Motor Testing — 0-30V 0-100A 3000W R-SPS30100S DC Power Supply from KUAIQU

$799.99
$799.99
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InputVoltage: AC220V(±10%)
Model: R-SPS30100S-R
Subtotal: $799.99
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High Current DC Motor Testing — 0-30V 0-100A 3000W R-SPS30100S DC Power Supply from KUAIQU

High Current DC Motor Testing — 0-30V 0-100A 3000W R-SPS30100S DC Power Supply from KUAIQU

$799.99

High Current DC Motor Testing — 0-30V 0-100A 3000W R-SPS30100S DC Power Supply from KUAIQU

$799.99
InputVoltage: AC220V(±10%)
Model: R-SPS30100S-R

Download English Manual (PDF)

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

High Current DC Motor Testing — 0-30V

0-100A 3000W R-SPS30100S DC Power

Supply from KUAIQU

The KUAIQU R-SPS30100S is a High Current DC Power Supply designed for DC Motor Testing, high-current motor evaluation, motor drive test setups, and related DC motor development. With a 0-30V adjustable output, up to 100A current, and 3000W maximum output power, it provides a high-current DC source for motor test setups that require substantial electrical input power within its rated output range.

For DC Motor Testing, motor startup and operating conditions can require substantially higher current than ordinary bench power supplies can provide. The R-SPS30100S combines 100A high-current output with adjustable voltage and CC/CV operation, allowing users to establish different motor input conditions within the 0-30V range. The precision encoder, four-digit voltage/current/power display, OCP, OVP, M1-M4 memory, Output ON/OFF, panel lock, and rear high-current output provide practical control and monitoring for high-current motor test setups.

Key Features

0-30V Adjustable Output for DC Motor Testing

The 0-30V adjustable DC output allows users to establish different input voltage conditions for compatible DC motors and motor-related test setups. The adjustable range provides flexibility when evaluating motor operation at different DC supply voltages.

100A High Current Output for DC Motor Testing

The R-SPS30100S provides up to 100A output current, making high current capability the defining advantage of this DC Power Supply for demanding DC Motor Testing applications.

3000W Output for High Current Motor Test Setups

With a maximum output power of 3000W, the R-SPS30100S provides substantial DC power for high-current motor test setups within its 0-30V and 0-100A operating range.

CC and CV Operation for Controlled Motor Test Conditions

The Constant Current and Constant Voltage modes allow users to establish controlled DC output conditions according to the requirements of the connected motor test setup.

Precision Encoder for Motor Test Parameter Adjustment

The precision encoder provides direct adjustment of voltage and current settings, allowing users to establish the required DC input conditions before or during a motor test.

Four-Digit Voltage, Current, and Power Display

The four-digit display provides direct readback of voltage, current, and power, allowing users to monitor the DC output condition while the motor test setup is operating.

OCP for High Current Motor Test Protection

The built-in Over Current Protection function provides protection against abnormal current conditions, which is particularly relevant for high-current DC Motor Testing setups.

OVP for Controlled Motor Input Voltage

The Over Voltage Protection function provides an additional protection function when establishing controlled voltage conditions for connected DC motors and motor test equipment.

M1-M4 Memory for Repeated Motor Test Conditions

The M1-M4 four-group memory function allows frequently used voltage and current settings to be stored and recalled, making repeated DC Motor Testing setups easier to configure.

Output ON/OFF for Direct Motor Test Power Control

The Output ON/OFF function allows users to control when DC power is applied to the motor test setup after the required voltage and current settings have been established.

Panel Lock for Stable Test Settings

The panel lock function helps prevent unintended changes to voltage and current settings after the required motor test parameters have been configured.

Rear High-Current Output for 100A Applications

The rear high-current output provides the appropriate connection for high-current DC Motor Testing. The rear terminals are required when the application needs the full rated current capability of the R-SPS30100S. 

USB, RS232, and RS485 Communication Interfaces

The current product configuration includes USB, RS232, and RS485 communication interfaces, providing communication options for compatible equipment and test environments.

Applications

DC Motor Testing

The R-SPS30100S provides adjustable high-current DC power for evaluating compatible DC motors under different voltage and current conditions within the rated output range.

High Current DC Motor Testing

The 0-100A current capability provides a high-current DC source for motor test setups that require substantial current during operation.

DC Motor Startup Testing

The adjustable output and Output ON/OFF control provide direct control over DC power application when evaluating motor startup conditions.

DC Motor Operating Condition Testing

The adjustable voltage and current settings allow users to establish different DC input conditions when evaluating motor operation.

High Power DC Motor Evaluation

The 3000W output capacity provides substantial power for compatible high-current DC motor test setups operating within the 0-30V range.

DC Motor Test Bench Development

The R-SPS30100S can serve as the high-current DC Power Supply within a motor test bench, providing adjustable DC power for compatible motor and motor-related equipment testing.

Motor Related Power Circuit Testing

The 0-30V adjustable output and 100A current capability can be used to provide controlled DC input conditions for compatible motor power circuits and related test setups.

Repeated DC Motor Testing

The M1-M4 memory function allows frequently used voltage and current settings to be recalled when the same motor test conditions need to be repeated.

Laboratory DC Motor Testing

The combination of adjustable DC output, CC/CV operation, high current capability, encoder adjustment, V/I/P display, OCP, and OVP provides a practical DC power source for laboratory DC Motor Testing.

High Current Motor Equipment Testing

The R-SPS30100S can provide high-current DC power for compatible motor equipment and related electrical test setups requiring up to 100A within the rated output range.

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

Parameter Specification
Model R-SPS30100S
Product Type High Current DC Power Supply
Application DC Motor Testing
Output Voltage 0-30V
Output Current 0-100A
Output Power 3000W
Operating Mode CC / CV
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
Ripple Voltage ≤3500mVp-p / ≤1200mVrms
Ripple Current ≤200mArms
Ripple Test Range 20Hz-20MHz
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%
Display Four-Digit Voltage / Current / Power Display
Adjustment Precision Encoder
Protection OCP / OVP
Memory M1-M4, 4 Groups
Output Control Output ON/OFF
Output Connection Front and Rear Output
Communication USB / RS232 / RS485
Panel Lock Yes
Product Weight Approx. 6.8kg
Package Weight Approx. 7.5kg

The R-SPS30100S is listed in the current R-SPS-S series as a 0-30V, 0-100A, 3000W model. The published series specifications also confirm the regulation, resolution, accuracy, ripple, rise/fall time, dynamic response, and efficiency values used above. 

Why Choose KUAIQU R-SPS30100S?

100A High Current Capability for DC Motor Testing

The 0-100A output is the key capability of the R-SPS30100S for high-current DC Motor Testing, providing substantially higher current capacity than standard bench DC power supplies.

3000W Power for High Current Motor Test Setups

The 3000W output provides substantial DC power for compatible motor test setups within the 0-30V output range.

0-30V Adjustable Output for Different Motor Conditions

The adjustable 0-30V range allows users to establish different DC input voltage conditions when evaluating compatible DC motors and related circuits.

CC CV Operation for Flexible Motor Testing

CC and CV operation provides controlled output modes for different DC Motor Testing requirements within the rated operating range.

Precision Encoder for Direct Voltage and Current Adjustment

The encoder allows convenient adjustment of voltage and current when establishing or changing motor test conditions.

Direct V/I/P Monitoring

The four-digit display provides direct voltage, current, and power readback, allowing users to observe the power supply output during DC Motor Testing.

OCP and OVP for High Current Test Setups

OCP and OVP provide dedicated over-current and over-voltage protection functions for the DC power supply and connected motor test setup.

M1-M4 Memory for Repeated Motor Tests

Four memory groups allow commonly used voltage and current settings to be stored and recalled, reducing repeated manual parameter setup.

Output ON/OFF and Panel Lock

Output ON/OFF provides direct control of DC power application, while panel lock helps prevent unintended changes to established motor test parameters.

Rear High-Current Output for Full 100A Capability

The rear high-current terminals provide the appropriate connection for test setups requiring the full rated current capability of the R-SPS30100S.

Professional High Current DC Power Supply for DC Motor Testing

With 0-30V adjustable output, 0-100A current, 3000W power, CC/CV operation, precision encoder adjustment, V/I/P display, OCP, OVP, M1-M4 memory, and Output ON/OFF control, the R-SPS30100S provides a high-current DC Power Supply solution for DC Motor Testing and related high-current motor test setups.

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?

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  • 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).
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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.

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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.