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DC Distribution Board Validation with NICE-POWER
R-SPS3030 Bench Power Supply 30V 30A 900W
Key Features
Adjustable 0–30V DC Output for Distribution Board Validation
The NICE-POWER R-SPS3030 bench power supply provides an adjustable 0–30V DC output for powering compatible low-voltage DC distribution boards during bench validation. Users can set the output voltage to match the board's specified input conditions before checking basic operation, connection integrity, and power distribution behavior.
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 distribution boards and connected circuits that require higher current capacity. The actual current depends on the connected load and operating conditions. Confirm that the total load remains within the power supply's voltage, current, and power ratings.
Voltage, Current, and Power Display for Test Monitoring
The four-digit voltage and current displays, together with the power display, help users observe the power supply's output conditions while the distribution board is energized. These readings support checks of the applied DC supply and overall load demand. They do not independently measure voltage drops at individual distribution branches or verify the board's internal protection performance.
Manual Output Adjustment and ON/OFF Control
The standard R-SPS3030 uses an encoder knob for manual adjustment and an Output ON/OFF control for managing power delivery during test preparation and routine validation. Users can set the intended output before energizing a compatible distribution board. The standard version does not provide 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 modes help accommodate different load demands during DC distribution board validation within the unit's rated operating range.
Front and Rear Output Connections for Different Current Requirements
The power supply provides front-panel and rear-panel output connections for different bench setups. The front-panel output is intended for currents below 5A, while the rear-panel output supports operation at rated power. For distribution board validation requiring higher current, use the rear output and appropriately rated cables and connectors.
Manual and Programmable Versions for Different Test Setups
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, so confirm the selected interface and supported control functions before ordering.
Applications
DC Distribution Board Validation
Use the NICE-POWER R-SPS3030 bench power supply as an adjustable DC source when validating compatible low-voltage distribution boards. Set the output to the board's specified input voltage and observe the supply's voltage, current, and power readings while checking basic power-up behavior and overall load demand.
DC Power Distribution Circuit Testing
Supply DC power to compatible distribution circuits during engineering bench tests. The adjustable 0–30V output supports testing under selected input conditions, while the current and power displays help users monitor changes in the connected load. Use external measurement instruments to check voltage at individual branches or connection points.
Distribution Board Prototype Power-Up Checks
Power a prototype DC distribution board during initial development and basic functional checks. Before enabling the output, confirm the board's input voltage, polarity, expected startup current, and connected load requirements. The power supply provides the DC input source; it does not automatically determine whether the distribution board passes validation.
Load Behavior Checks for Low-Voltage DC Systems
Use the R-SPS3030 to supply compatible low-voltage DC systems while observing changes in output current and power demand under different load conditions. For detailed verification of branch current, voltage drop, transient response, or circuit protection behavior, use appropriate external instruments and test procedures.
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 |
| 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?
DC distribution board validation requires a suitable DC source to apply the intended input voltage and support the expected load demand. The NICE-POWER R-SPS3030 combines a 0–30V adjustable output, up to 30A current, and 900W rated power for compatible low-voltage distribution boards and DC power circuits.
Its voltage, current, and power displays help users monitor the supply output, while CV/CC operation and Output ON/OFF control support routine bench testing. 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 DC distribution board, confirm its input voltage, polarity, maximum current, startup requirements, and total power consumption. Use the rear-panel output for higher-current operation and ensure all wiring and connectors are rated for the intended load. External instruments may be needed to verify individual branch voltages, voltage drops, current distribution, and protection behavior.
