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PCB Board Debugging DC Bench Power Supply 30V
40A 1200W NICE-POWER R-SPS3040 with CV/CC
Indicators
The NICE-POWER R-SPS3040-R DC Bench Power Supply is designed for compatible PCB board debugging, electronic circuit testing, and engineering workbench applications. With an adjustable output voltage of 0–30V, a maximum output current of 40A, and a rated output power of 1200W, it provides an adjustable DC power source for circuit boards and electronic assemblies that operate within its rated specifications.
For PCB debugging tasks, 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 constant-voltage (CV) and constant-current (CC) indicators help users identify the power supply's operating mode while testing circuits. This version is equipped with USB, RS-232, and RS-485 communication interfaces for connection to compatible equipment and communication setups.
Key Features
Adjustable 0–30V DC Output for PCB Board Debugging
The adjustable 0–30V DC output allows users to set the supply voltage for compatible PCB boards and electronic circuits. This flexibility supports board bring-up, circuit verification, and troubleshooting when the required operating voltage falls within the power supply's rated range.
40A Output Current and 1200W Rated Power
With a maximum output current of 40A and a rated output power of 1200W, the R-SPS3040-R supports compatible high-current electronic testing applications. The actual voltage and current available at the same time depend on the power supply's output limits and the connected load.
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 readings help technicians observe the power supply's output during PCB board debugging and electronic circuit evaluation.
CV/CC Indicators for Operating-Mode Monitoring
The constant-voltage (CV) and constant-current (CC) indicators show the power supply's operating mode. During PCB debugging, these indicators help users identify whether the unit is operating in constant-voltage or constant-current mode while powering a compatible circuit.
Encoder Knob Adjustment for Voltage and Current Settings
The front-panel encoder knobs allow users to adjust voltage and current settings during circuit testing. This supports manual adjustment when powering different PCB prototypes or checking electronic assemblies under appropriate operating conditions.
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 provide connection options for compatible equipment and communication setups used in engineering environments. Specific control functions depend on the supported protocol, commands, and software.
Front-Panel Output ON/OFF Control
The Output ON/OFF control allows users to switch the DC output on or off from the front panel. This is useful when preparing a PCB debugging setup or turning off the output before changing circuit connections.
High-Power DC Bench Supply for Electronics Testing
Combining adjustable DC output, voltage and current readouts, power display, and CV/CC status indicators, the R-SPS3040-R supports bench testing and troubleshooting of compatible electronic circuits within its rated specifications.
Applications
PCB Board Debugging
Provides adjustable DC power for powering compatible PCB assemblies during initial bring-up, functional checks, and troubleshooting. Users should confirm the board's required supply voltage and current limits before connecting it.
PCB Prototype Testing
Supports electrical testing of PCB prototypes that require a DC supply within the power supply's voltage, current, and power ratings.
Electronic Circuit Troubleshooting
Allows technicians to adjust the DC output and observe voltage, current, and power readings while investigating circuit behavior under compatible test conditions.
DC Power Circuit Verification
Can be used to power and evaluate compatible DC power circuits and electronic assemblies during development and verification.
Electronics Laboratory and Engineering Workbench
Suitable for electronics laboratories, repair benches, and engineering workstations that need adjustable DC power and front-panel output monitoring.
Communication-Interface Test Setups
The USB, RS-232, and RS-485 interfaces support connection to compatible communication setups. Verify the interface protocol, software, and available commands before incorporating the power supply into a computer-based test arrangement.
Quality Check and Terms of Service:
Product Inspection
Inspect the power supply and included accessories upon receipt. Check the unit's physical condition, input power requirements, output terminals, and communication interfaces before operation.
Safe Operation During PCB Debugging
Confirm the PCB's voltage polarity, rated input voltage, expected current consumption, and connection requirements before applying power. Set appropriate output limits, keep the supply within its rated voltage, current, and power specifications, and use suitable wires and connectors. Switch the output off before changing circuit connections.
Communication Compatibility
Before using USB, RS-232, or RS-485, check the compatible interface requirements and supported communication protocol. Do not assume that the presence of a communication interface guarantees support for a particular 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 Bench 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 (series specification) |
| Net Weight | Approximately 3.7kg (series specification; confirm for this model) |
| Package Dimensions | Approximately 42 × 33 × 15cm (series specification) |
| Package Weight | Approximately 5.3kg (series specification; confirm for this model) |
| Packaging Information | Series specification lists 4 units per carton |
Why Choose NICE-POWER R-SPS3040-R?
The NICE-POWER R-SPS3040-R DC Bench Power Supply combines adjustable 0–30V output, up to 40A output current, and 1200W rated power for compatible PCB board debugging and electronic circuit testing. Its four-digit voltage and current display, power readout, encoder knob adjustment, and CV/CC indicators help technicians monitor output conditions while evaluating circuit boards and prototypes.
The USB, RS-232, and RS-485 communication interfaces provide additional connection options for compatible equipment and communication setups. With front-panel Output ON/OFF control and adjustable DC output, the R-SPS3040-R is designed to support PCB bring-up, prototype verification, and electronics workbench testing 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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