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NICE-POWER R-SPS3030 Adjustable DC Power
Supply and Bench Power Supply 30V 30A 900W for
Power Switching Circuit Evaluation
Key Features
Adjustable 0–30V DC Output for Power Switching Circuit Evaluation
The NICE-POWER R-SPS3030 adjustable DC power supply provides a 0–30V output for powering compatible low-voltage power switching circuits during bench evaluation. Users can adjust the output voltage to match the circuit's specified DC input conditions when checking basic startup behavior and operation under a selected supply voltage.
30A Output Current and 900W Rated Power
With an output current of up to 30A and 900W rated output power, this bench power supply supports compatible low-voltage circuits and assemblies with higher current requirements. It can serve as the DC input source for power switching circuit evaluation, provided the required voltage, current, and total power remain within the unit's ratings.
Voltage, Current, and Power Display for Bench Monitoring
The four-digit voltage and current displays, together with the power display, help users observe the power supply's output readings while the circuit is energized. These readings support monitoring of applied voltage and input current demand. To evaluate switching waveforms, transient behavior, switching losses, or circuit efficiency, use appropriate external instruments such as an oscilloscope, current probe, or power analyzer.
Manual Output Adjustment and ON/OFF Control
The standard R-SPS3030 uses an encoder knob for manual output adjustment and an Output ON/OFF control for routine bench operation. Users can set the intended DC supply conditions before powering the circuit and turn the output off when preparing or completing a test. The standard version does not provide automatic switching-cycle generation or automatic test sequencing.
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 modes help supply compatible circuits under different load demands within the power supply's rated operating range. They do not replace the dedicated gate-drive or switching-control circuitry required by the circuit under test.
Front and Rear Output Connections for Different Current Requirements
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 power switching circuit evaluation, use the rear output with cables and connectors rated for the intended current and voltage.
Standard Manual and Programmable Versions
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 technical specifications. USB, RS232, and RS485 communication interfaces are optional configurations; confirm the selected interface and its compatibility before ordering. Do not assume automated switching tests or data logging are included unless supported by the selected configuration and external equipment.
Applications
Power Switching Circuit Evaluation
Use the NICE-POWER R-SPS3030 bench power supply as an adjustable DC input source for compatible low-voltage power switching circuits. Set the supply voltage to the circuit's specified input level and monitor the power supply's voltage, current, and power readings during basic operating checks.
DC Input Testing for Switching Converter Circuits
Provide adjustable DC input power to compatible switching converter circuits during development and bench evaluation. The 0–30V output range supports testing at selected input voltages within the circuit's specifications. External instruments are needed to measure converter output regulation, switching waveforms, ripple, and efficiency.
Power Switching Circuit Prototype Power-Up
Supply DC power to prototype boards and electronic assemblies containing switching circuits during initial power-up and basic functional checks. Confirm the input voltage, polarity, expected startup current, and connected load requirements before enabling the output. The power supply provides the input source but does not generate the switching signals required by the circuit.
Load Condition Checks for Power Switching Circuits
Use the R-SPS3030 to supply compatible switching circuits while observing changes in input current and power demand under different operating conditions. For detailed evaluation of switching transients, current waveforms, voltage spikes, or switching losses, use suitable external measurement equipment and a test procedure designed for the circuit.
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 |
| 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 communication interfaces are optional configurations and should be confirmed before ordering.
Why Choose NICE-POWER R-SPS3030?
Power switching circuit evaluation requires a suitable DC input source and appropriate measurement equipment for examining circuit behavior. The NICE-POWER R-SPS3030 combines an adjustable 0–30V DC output, up to 30A current, and 900W rated power for compatible low-voltage power switching circuits and engineering bench tests.
Its voltage, current, and power displays help users monitor supply output, while CV/CC operation and Output ON/OFF control support routine test preparation and operation. Choose the R-SPS3030 for manual adjustment or the R-SPS3030-R for compatible programmable control setups. Communication interfaces are optional and should be confirmed for the selected configuration.
Important: Before connecting a power switching circuit, confirm its input voltage, polarity, startup current, and power requirements. The power supply provides DC input power; switching waveform generation and detailed switching-performance measurements require suitable circuit-control hardware and external test instruments.
