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NICE-POWER R-SPS3030 DC Power Supply 0-30V
0-30A 900W for Low-Voltage Power Circuit
Evaluation
Key Features
Adjustable 0–30V DC Output for Low-Voltage Circuit Evaluation
The NICE-POWER R-SPS3030 is an adjustable DC power supply designed for powering compatible low-voltage electronic circuits, prototype boards, and DC-powered assemblies. With a 0–30V output range, users can set the required input voltage for circuit evaluation, basic functional checks, and engineering bench tests.
30A Output Current and 900W Rated Power
With an output current of up to 30A and 900W rated output power, the R-SPS3030 supports compatible low-voltage circuits and electronic assemblies with higher current requirements. Always ensure that the selected voltage, current demand, and total power consumption remain within the power supply's rated limits.
Four-Digit Voltage and Current Display with Power Readout
The four-digit voltage and current displays, together with the power display, help users monitor the power supply's output conditions while a circuit is energized. These readings are useful for checking applied voltage and load current during evaluation. External instruments are required when measuring the circuit's own output characteristics, efficiency, ripple, or transient response.
Manual Adjustment and Output ON/OFF Control
The standard R-SPS3030 uses an encoder knob to adjust output settings and an Output ON/OFF control to manage power delivery during bench testing. Users can set the required output values before connecting power to a compatible circuit. The standard version is intended for manual operation and does not imply automatic test sequencing or timed output cycling.
Constant Voltage and Constant Current Operation
The R-SPS3030 series supports constant-voltage (CV) and constant-current (CC) operation, with automatic switching according to the connected load and operating conditions. These operating modes support different load requirements during low-voltage circuit evaluation, within the unit's rated operating range.
Front and Rear Output Connections for Different Test Setups
The power supply provides front-panel and rear-panel output connections for different bench arrangements. The front-panel output is intended for currents below 5A, while the rear-panel output supports operation at rated power. For higher-current circuit evaluation, use the rear output and suitable cables and connections rated for the intended voltage and current.
Standard Manual Version and Programmable Version
The R-SPS3030 is the standard manual version, while the R-SPS3030-R is the programmable version for compatible control setups. Both versions share the same electrical specifications shown in the supplied R-SPS series specification chart. USB, RS232, and RS485 communication interfaces are optional configurations; confirm the selected interface and its compatibility before ordering.
Applications
Low-Voltage Power Circuit Evaluation
Use the NICE-POWER R-SPS3030 DC power supply as an adjustable DC source for evaluating compatible low-voltage electronic circuits. Set the output to the circuit's specified input voltage and observe the power supply's voltage, current, and power readings during basic operating checks.
Prototype Circuit Power-Up Testing
Supply DC power to prototype circuit boards and electronic assemblies during development. The adjustable 0–30V output helps users apply the required input voltage for initial power-up and basic functional verification. Check the circuit's polarity, startup current, and input specifications before enabling the output.
DC Input Verification for Electronic Modules
Power compatible DC modules and control boards to verify basic operation under specified input conditions. The supply's output readings help users observe changes in input current and power demand. Use suitable external instruments when the test requires measurements of the module's output voltage, waveform, ripple, or conversion efficiency.
Electronic Circuit Troubleshooting and Bench Testing
Use the R-SPS3030 as an adjustable DC source when checking low-voltage electronic circuits on a laboratory or engineering workbench. Adjust the output to the circuit's required operating conditions and observe the supply readings while investigating changes in load behavior. Detailed fault diagnosis may require a digital multimeter, oscilloscope, electronic load, or other suitable test instruments.
Quality Check and Terms of Service:
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Package Includes: DC Power Supply × 1, Output Power Cord × 1, Input Power Cord × 1, User Manual × 1, Warranty Card × 1.
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Certifications: Has passed CE & FCC Certification.
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Quality Inspection: All DC power supplies and accessories are inspected before shipment to ensure good quality.
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Customer Support: Contact us with any questions, and we'll respond within 24 hours.
Technical Specifications
| Specification |
R-SPS3030 / R-SPS3030-R |
| Rated Output Voltage |
0–30V |
| Rated Output Current |
0–30A |
| Rated Output Power |
900W |
| Operating Temperature |
0–40°C |
| Voltage Load Regulation |
≤0.1% + 10mV |
| Current Load Regulation |
≤0.1% + 2.5mA |
| Voltage Line Regulation |
≤0.01% + 2.5mV |
| Current Line Regulation |
≤0.1% + 2.5mA |
| Voltage Setting Resolution |
10mV |
| Current Setting Resolution |
10mA |
| Voltage Readback Resolution |
10mV |
| Current Readback Resolution |
10mA |
| Voltage Setting Accuracy |
≤0.05% + 10mV |
| Current Setting Accuracy |
≤0.01% + 10mA |
| Voltage Readback Accuracy |
≤0.05% + 10mV |
| Current Readback Accuracy |
≤0.01% + 10mA |
| Voltage Ripple (20Hz–20MHz) |
≤300mVp-p / ≤30mVrms |
| Current Ripple (20Hz–20MHz) |
≤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% |
| Display |
Four-digit voltage and current displays, plus power display |
| Operating Modes |
Constant Voltage (CV) / Constant Current (CC) |
| Output Control |
Output ON/OFF |
| Adjustment Version |
R-SPS3030: Manual adjustment; R-SPS3030-R: Programmable version |
| Output Connections |
Front-panel and rear-panel |
| Front-Panel Output |
Intended for currents below 5A |
| Rear-Panel Output |
Supports rated output power |
| Cooling |
Temperature-controlled fan |
| Communication Interfaces |
Optional USB / RS232 / RS485; confirm selected configuration |
| Product Dimensions |
Approx. 26.5 × 18.5 × 8cm |
| Net Weight |
Approx. 2.8kg |
| Package Dimensions |
Approx. 38 × 24.5 × 12.5cm |
| Package Weight |
Approx. 3 / 3.3 / 3.5kg, depending on power model |
| Carton Quantity |
6 units per carton |
Note: R-SPS3030 and R-SPS3030-R share the same technical specifications. R-SPS3030 is the standard manual version, while R-SPS3030-R is the programmable version. USB, RS232, and RS485 interfaces are optional configurations and should be confirmed before ordering.
Why Choose NICE-POWER R-SPS3030?
Low-voltage power circuit evaluation requires a DC source that can match the circuit's input voltage and current requirements. The NICE-POWER R-SPS3030 combines an adjustable 0–30V output, up to 30A current, and 900W rated power for compatible circuit testing, prototype power-up, and engineering bench work.
Its voltage, current, and power displays help users observe supply output, while CV/CC operation and manual output control support routine evaluation. Choose the R-SPS3030 for manual adjustment or the R-SPS3030-R for compatible programmable control setups. Communication interfaces are optional and should be verified for the selected configuration.
Important: Before connecting a circuit, confirm its required input voltage, polarity, startup current, and power consumption. The front-panel output is intended for currents below 5A; use the rear-panel output for higher-current operation. External test instruments may be required to measure the circuit's own electrical performance.
