UPS Control Circuit Testing with NICE-POWER
SPS1203-2KD Dual Output DC Supply 0-120V 0-3A
360W×2
Dual Output DC Power Supply for UPS Control Circuit Testing
The NICE-POWER SPS1203-2KD Dual Output DC Supply is designed for UPS Control Circuit Testing, control board evaluation, and auxiliary power circuit applications. With two independent output channels, each providing 0–120V, 0–3A, and 360W, this dual channel DC power supply offers flexible power configurations for testing compatible UPS electronic circuits and modules.
During UPS development, maintenance, and troubleshooting, different circuit sections may require separate DC voltage and current settings. The SPS1203-2KD supports independent output operation, as well as One-Key Series and One-Key Parallel modes. Users can select independent outputs for separate circuits, combine the channels for higher voltage up to 240V, or increase the available current up to 6A through parallel operation.
Equipped with encoder adjustment, dedicated series-parallel output terminals, and a negative-zero-positive voltage output mode, the SPS1203-2KD provides a versatile bench DC power solution for UPS control boards, auxiliary power circuits, relay control sections, and compatible electronic modules.
Key Features
Dual Independent Outputs for UPS Control Circuit Testing
The SPS1203-2KD provides two independent DC output channels, each supporting 0–120V, 0–3A, and 360W rated output power.
For UPS Control Circuit Testing, the two independent channels allow technicians to supply separate compatible control circuits or electronic modules with their respective voltage and current settings. This configuration is useful when evaluating multiple circuit sections during UPS development, maintenance, and bench troubleshooting.
Adjustable 0–120V 0–3A DC Output for Flexible Circuit Evaluation
Each output channel supports adjustable DC voltage from 0 to 120V and current from 0 to 3A.
This adjustable output range allows users to set suitable DC power conditions for compatible UPS control boards, auxiliary circuits, and electronic components. With voltage setting resolution of 10mV below 100V and 0.1V at or above 100V, along with 1mA current resolution, the SPS1203-2KD supports detailed voltage and current adjustments for bench testing.
One-Key Series Mode for Higher-Voltage UPS Circuit Testing
The One-Key Series Mode combines the two output channels to provide up to 0–240V and 0–3A, with 720W total output power.
This mode is suitable for compatible UPS auxiliary circuits and electronic modules that require higher DC input voltage during evaluation. The increased voltage range provides another output configuration beyond the standard independent channel operation.
One-Key Parallel Mode for Higher-Current Applications
The One-Key Parallel Mode combines both output channels to provide up to 0–120V and 0–6A, with 720W total output power.
For compatible UPS control circuits and auxiliary DC components that require more current than a single channel can provide, parallel operation offers a higher-current output configuration within the rated power range.
Encoder Adjustment for Convenient Voltage and Current Setting
The SPS1203-2KD features encoder-based adjustment for setting output voltage and current.
During UPS control board evaluation and auxiliary circuit testing, technicians can conveniently adjust the output parameters according to the requirements of the circuit under test. This provides a practical way to configure DC power conditions for different bench testing tasks.
Dedicated Series-Parallel Output Terminals for Convenient Configuration
The SPS1203-2KD is equipped with dedicated series-parallel output terminals for convenient output configuration.
Users can select independent, series, or parallel operation according to the voltage and current requirements of compatible circuits. The dedicated terminals simplify the connection process when changing between supported output modes, without requiring complicated external series-parallel wiring.
Negative-Zero-Positive Voltage Output Mode
The SPS1203-2KD supports negative voltage, zero voltage, and positive voltage output modes.
This output capability provides additional flexibility for evaluating compatible UPS control circuits and electronic modules that require different voltage polarities. It expands the available testing configurations while keeping operation within the power supply's specified output range.
Built-In 5V / 2A USB Output
The SPS1203-2KD includes a standard 5V / 2A USB output port for compatible USB-powered devices and accessories. This provides an additional power option for suitable auxiliary equipment used at the testing workbench.
Applications
UPS Control Board Testing
The SPS1203-2KD provides adjustable DC power for UPS control board evaluation and maintenance. Its two independent output channels allow technicians to supply separate compatible circuit sections with their required voltage and current settings, supporting bench-level testing and troubleshooting.
UPS Auxiliary Power Circuit Testing
UPS systems contain auxiliary power circuits that support various control and electronic functions. The SPS1203-2KD can provide adjustable DC power for evaluating compatible auxiliary circuit sections. Independent, series, and parallel output modes offer different voltage and current configurations according to the circuit's power requirements.
UPS Relay Control Circuit Evaluation
The adjustable DC outputs can supply compatible relay control circuits and related electronic components during bench evaluation. Technicians can configure the output voltage and current according to the requirements of the relay control circuit being tested.
UPS DC-DC Converter Control Circuit Testing
The SPS1203-2KD is suitable for supplying compatible DC-DC converter control circuits and related electronic modules. Its series mode provides up to 240V output, while parallel mode provides up to 6A output, offering flexible DC power configurations for different circuit evaluation requirements.
UPS Electronic Module Maintenance and Troubleshooting
During UPS maintenance, individual electronic modules or control circuit sections may need separate DC power for evaluation. The SPS1203-2KD provides two independent adjustable outputs and selectable series-parallel operation, making it suitable for bench power supply tasks during electronic module maintenance and troubleshooting.
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
Model and Output Specifications
| Parameter |
SPS1203-2KD |
| Product Type |
Dual Channel DC Power Supply |
| Independent Output Voltage |
0–120V |
| Independent Output Current |
0–3A |
| Independent Output Power |
360W × 2 |
| Series Output Voltage |
0–240V |
| Series Output Current |
0–3A |
| Series Output Power |
720W |
| Parallel Output Voltage |
0–120V |
| Parallel Output Current |
0–6A |
| Parallel Output Power |
720W |
| USB Output |
5V / 2A |
| Input Voltage |
AC 220V (AC 110V optional) |
| Operating Temperature |
0℃–40℃ |
Electrical Performance Specifications
| Parameter |
SPS1203-2KD |
| Load Voltage Regulation |
≤0.3% + 10mV |
| Load Current Regulation |
≤0.1% + 2.5mA |
| Power Supply Voltage Regulation |
≤0.01% + 2.5mV |
| Power Supply Current Regulation |
≤0.1% + 2.5mA |
| Set Voltage Resolution |
10mV below 100V; 0.1V at or above 100V |
| Set Current Resolution |
1mA |
| Readback Voltage Resolution |
10mV below 100V; 0.1V at or above 100V |
| Readback Current Resolution |
1mA |
| Set Voltage Accuracy |
≤0.01% + 15mV |
| Set Current Accuracy |
≤0.01% + 10mA |
| Readback Voltage Accuracy |
≤0.01% + 15mV |
| Readback Current Accuracy |
≤0.01% + 10mA |
| Conversion Efficiency |
≥85% |
Ripple, Noise and Dynamic Performance
Ripple and noise test bandwidth: 20Hz–20MHz.
| Parameter |
Independent Mode |
Series / Parallel Mode |
| Voltage Ripple (Vp-p) |
≤400mVp-p |
≤500mVp-p |
| Voltage Ripple (Vrms) |
≤40mVrms |
≤50mVrms |
| Current Ripple |
≤30mArms |
≤45mArms |
| Parameter |
SPS1203-2KD |
| No-Load Rise Time |
≤200mS |
| Full-Load Rise Time |
≤300mS |
| No-Load Fall Time |
≤30S |
| Full-Load Fall Time |
≤300mS |
| Dynamic Response Time |
≤200mS |
Physical and Packaging Specifications
| Parameter |
SPS1203-2KD |
| Product Dimensions (L × W × H) |
Approx. 27.5 × 12 × 15cm |
| Net Weight |
2.36kg |
| Individual Package Dimensions |
Approx. 37.5 × 18.5 × 22cm |
| Gross Weight per Unit |
2.9kg |
| Carton Quantity |
6 units/carton |
Why Choose NICE-POWER SPS1203-2KD?
UPS Control Circuit Testing involves different DC power requirements across control boards, auxiliary power circuits, relay control sections, and electronic modules. The NICE-POWER SPS1203-2KD combines two independent 0–120V, 0–3A outputs with flexible series and parallel operating modes, providing a practical Dual Output DC Supply for these applications.
Its One-Key Series Mode extends the output voltage to 240V, while One-Key Parallel Mode increases the available output current to 6A. Encoder adjustment, dedicated series-parallel output terminals, and negative-zero-positive voltage output mode further expand the available power configurations for compatible circuit evaluation and maintenance tasks.
With clearly specified voltage and current resolution, setting and readback accuracy, and a wide range of output configurations, the SPS1203-2KD is a versatile bench DC power supply for engineers, technicians, and electronic equipment maintenance teams working with compatible UPS control circuits and related electronic modules.
