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NICE-POWER Adjustable DC Power Supply
R-SPS3040 0-30V 0-40A 1200W for Power
Electronics Development
The NICE-POWER R-SPS3040-R Adjustable DC Power Supply is designed for compatible power electronics development, power circuit evaluation, and laboratory testing. With an adjustable 0–30V DC output, a maximum output current of 40A, and a rated output power of 1200W, this high-power DC power supply provides adjustable power for circuit prototypes and electronic assemblies operating within its rated specifications.
Designed for engineering workbenches and development environments, the R-SPS3040-R features a four-digit voltage and current display, power readout, encoder knob adjustment, and front-panel Output ON/OFF control. Its CV/CC status indicators help users identify the operating mode during testing. This version also features USB, RS-232, and RS-485 communication interfaces for connection to compatible equipment and communication setups.
Key Features
Adjustable 0–30V DC Output for Power Electronics Development
The adjustable 0–30V DC output supports compatible power electronics development tasks, including powering circuit prototypes, evaluating electronic assemblies, and testing DC-powered circuits within the power supply's rated specifications.
40A Output Current and 1200W Rated Power
With a maximum output current of 40A and a rated output power of 1200W, the NICE-POWER R-SPS3040-R is suitable for compatible high-current circuit development and power electronics testing applications. Users should keep operation within the rated voltage, current, and power limits.
Four-Digit Voltage and Current Display with Power Readout
The front-panel four-digit display provides voltage and current readings, while the power display shows output power. These readouts help engineers observe electrical output conditions while evaluating circuits and testing prototypes on a workbench.
Encoder Knob Adjustment for Voltage and Current Settings
The front-panel encoder knobs allow users to adjust voltage and current settings during power circuit development and testing. This provides convenient manual adjustment when configuring the DC power output for compatible electronic circuits.
USB, RS-232, and RS-485 Communication Interfaces
The R-SPS3040-R version is equipped with USB, RS-232, and RS-485 communication interfaces. These interfaces allow connection to compatible equipment and communication setups for power electronics development. Available control functions depend on the supported communication protocol, commands, and software; verify compatibility before integration.
CV/CC Operating Status Indicators
The CV and CC indicators show whether the power supply is operating in constant-voltage or constant-current mode. This status information helps users observe the supply's operating state during circuit evaluation and bench testing.
Front-Panel Output ON/OFF Control
The front-panel Output ON/OFF control allows users to switch the DC output on or off when preparing a test setup or changing circuit connections.
High-Power DC Supply for Engineering Workbenches
With its 1200W rated output, adjustable voltage and current settings, and front-panel readouts, the R-SPS3040-R supports compatible power electronics development tasks that require a high-current adjustable DC power source.
Applications
Power Electronics Development
Provides adjustable DC power for compatible power electronics development tasks, including circuit evaluation, prototype development, and bench testing.
Power Circuit Design and Prototype Testing
Supports the development and testing of power circuit prototypes that operate within the power supply's output voltage, current, and power ratings.
DC Power Module Evaluation
Can serve as an adjustable DC source for evaluating compatible DC power modules and electronic assemblies during development.
High-Current Electronic Circuit Testing
The maximum output current of 40A supports compatible high-current circuit tests within the specified electrical limits of the power supply and the connected equipment.
Electronics Laboratory and Engineering Workbench
Suitable for electronics laboratories and engineering workbenches that require adjustable DC output, voltage and current readouts, and power display during development and testing.
Communication-Interface Test Setups
The USB, RS-232, and RS-485 interfaces can be connected to compatible communication setups. Check the required communication protocol, supported commands, and software compatibility before using these interfaces in a development system.
Quality Check and Terms of Service:
Product Inspection
Inspect the power supply and included accessories upon receipt. Check the product's physical condition, input power requirements, output terminals, and communication interfaces before use.
Safe Operation
Operate the power supply within its rated voltage, current, and power limits. Keep the ventilation openings clear and use appropriately rated wires and connectors. Switch the output off before changing circuit connections.
Communication Compatibility
Before connecting a computer or external device through USB, RS-232, or RS-485, verify the interface requirements and supported communication protocol. Do not assume that a physical communication interface guarantees compatibility with every software platform or remote-control function.
Warranty and Customer Support
For warranty coverage, returns, and after-sales assistance, refer to the seller's published store policies and the product documentation supplied with the unit.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | NICE-POWER |
| Series | R-SPS High Power Basic Series |
| Model | R-SPS3040-R |
| Product Type | Adjustable DC Power Supply |
| Output Voltage | 0–30V |
| Output Current | 0–40A |
| Rated Output Power | 1200W |
| Rated Operating Temperature | 0°C–40°C |
| Voltage Display | Four-digit digital display |
| Current Display | Four-digit digital display |
| Power Display | Supported |
| Adjustment Method | Encoder knob |
| Output Control | Front-panel Output ON/OFF |
| Operating Status Indicators | CV/CC |
| Communication Interfaces | USB / RS-232 / RS-485 |
| 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 (20Hz–20MHz) | ≤400mVp-p; ≤60mVrms |
| Ripple – Current (20Hz–20MHz) | ≤20mArms |
| 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% |
| Product Dimensions | Approximately 33 × 27 × 9cm |
| Net Weight | Approximately 3.7kg |
| Package Dimensions | Approximately 42 × 33 × 15cm |
| Package Weight | Approximately 5.3kg |
| Packaging Information | Series specification lists 4 units per carton |
Why Choose NICE-POWER R-SPS3040-R?
The NICE-POWER R-SPS3040-R Adjustable DC Power Supply combines a 0–30V adjustable output, up to 40A output current, and 1200W rated power for compatible power electronics development applications. Its four-digit voltage and current display, power readout, encoder knob adjustment, and CV/CC indicators help engineers monitor output conditions and adjust settings during circuit development and testing.
The USB, RS-232, and RS-485 communication interfaces provide connection options for compatible equipment and communication setups. Combined with front-panel Output ON/OFF control and adjustable DC output, the R-SPS3040-R is designed to support power circuit evaluation, prototype testing, and electronics laboratory work within its rated specifications.
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.
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