Wanptek KPS10020D 100V/20A High Precision Adjustable DC Stabilized Power Supply

The Wanptek KPS10020D is a professional-grade laboratory DC power supply delivering up to 100V and 20A with exceptional voltage and current regulation for precision electronics testing and development. Electronics engineers, circuit designers, and research laboratories rely on this instrument to power sensitive components and conduct rigorous testing of power management circuits, LED drivers, battery charging systems, and embedded applications requiring stable DC output. This power supply solves critical problems in prototype validation and troubleshooting by eliminating voltage fluctuations and ripple that can damage components or produce unreliable test results.

Product Overview

The Wanptek KPS10020D operates on the principle of linear voltage regulation combined with advanced current limiting protection, ensuring output voltage remains stable within 0.01V accuracy across varying load conditions. The device features independent voltage and current adjustment controls with large digital displays showing real-time output parameters, allowing engineers to precisely set operating points for their specific applications. The internal switching topology provides rapid response to load transients while maintaining low output impedance, critical for testing voltage-sensitive circuits and power conversion systems.

This model distinguishes itself through its combination of wide voltage range (0-100V), substantial current capacity (0-20A), and exceptional load regulation that maintains output stability even when load resistance changes dramatically. The KPS10020D includes multiple protection mechanisms including overvoltage shutdown, overcurrent limiting, and thermal protection, making it suitable for unattended operation in demanding laboratory environments. The robust metal chassis construction provides electromagnetic shielding to minimize noise coupling into sensitive test circuits, while the comprehensive front-panel interface enables quick parameter adjustments without requiring external software or complex programming.

Key Specifications

Specification	Details
Product Type	High Precision Adjustable DC Stabilized Power Supply
Brand	Wanptek
Model	KPS10020D
Origin	Original/Authentic
Maximum Output Voltage	0-100V DC
Maximum Output Current	0-20A DC
Maximum Output Power	2000W
Voltage Regulation Accuracy	±0.01V (line and load regulation)
Current Regulation Accuracy	±0.1A
Output Ripple and Noise	Less than 5mV RMS
Display Type	Digital LED display for voltage and current
Input Voltage	AC 220V ±10%, 50/60Hz
Protection Features	Overvoltage protection, overcurrent limiting, thermal shutdown
Warranty	7 days on manufacturing defects
Shipping	1-5 days from Bengaluru
Delivery	7-8 days across India
Support	24/7 via Email and WhatsApp

Key Features

• Wide Voltage Range 0-100V with 0.01V resolution enabling precise voltage setting for diverse circuit testing requirements from low-voltage logic circuits to high-voltage component characterization
• High Current Capacity 0-20A with independent current limiting protection allowing safe testing of power-hungry devices and preventing damage from accidental short circuits
• Exceptional Load Regulation maintaining output stability within 0.01V even when load current varies from zero to maximum, critical for validating power supply designs
• Low Output Ripple below 5mV RMS ensuring clean DC power free from noise artifacts that could corrupt sensitive measurements or damage precision analog circuits
• Dual Digital Display showing real-time voltage and current readings simultaneously eliminating need for external multimeters and enabling quick parameter verification
• Multiple Protection Mechanisms including overvoltage shutdown at 110V, overcurrent limiting, and thermal protection preventing equipment damage and ensuring safe operation
• Compact Bench-Top Design with robust metal chassis providing electromagnetic shielding and stable mechanical construction for laboratory and field service environments

Applications and Use Cases

• LED Driver and Lighting Circuit Testing where engineers require stable voltage sources to evaluate LED string performance, brightness control circuits, and power factor correction designs across 12V to 48V ranges
• Battery Charging System Development and validation of lithium-ion, lead-acid, and NiMH charging circuits requiring precise voltage profiles and current monitoring to ensure safe charging protocols
• Power Electronics Prototype Validation including switching power supply testing, DC-DC converter characterization, and inverter development requiring programmable voltage sources with excellent regulation
• Embedded Systems and Microcontroller Development powering single-board computers, IoT devices, and industrial controllers while monitoring power consumption and testing brownout behavior
• Component Characterization and Burn-In Testing of semiconductors, capacitors, and other electronic components requiring controlled voltage stress testing and thermal cycling with current monitoring
• Automotive Electronics Repair and Diagnostics simulating vehicle electrical systems from 12V to 48V for testing ECU modules, motor controllers, and sensor interfaces without risking vehicle battery damage

How to Use

Begin by connecting the KPS10020D to a stable AC mains supply (220V, 50/60Hz) and allow 5 minutes for internal stabilization before applying load. Set both the voltage and current adjustment potentiometers to minimum positions (fully counterclockwise) before connecting your test circuit. Connect your device under test to the output terminals using appropriate gauge wire rated for your expected current, then gradually increase the voltage adjustment while monitoring the digital display until reaching your target voltage. Use the current limiting adjustment to set maximum safe current for your application, which acts as a protective barrier preventing damage if your circuit draws excessive current due to faults.

During operation, continuously monitor both voltage and current displays to ensure parameters remain within specification. If current exceeds your limit setting, the supply automatically reduces voltage to maintain the preset current limit, protecting your circuit from damage. When finished, reduce voltage to zero before disconnecting your test circuit, and allow the unit to cool for 10 minutes before powering down. For extended high-current operation above 15A, ensure adequate ventilation around the unit as internal components generate heat. Never exceed 100V output or 20A current as these represent absolute maximum ratings; for optimal component lifespan and performance, operate at 80-90 percent of maximum ratings during continuous use.

Frequently Asked Questions

What is the difference between voltage regulation and current limiting on the KPS10020D?

Voltage regulation maintains your set output voltage constant regardless of load changes, while current limiting prevents output current from exceeding a preset maximum value. The KPS10020D operates in voltage regulation mode when load current remains below your current limit setting. If your circuit draws more current than the limit, the supply automatically reduces voltage to maintain the preset current limit, protecting your circuit from overcurrent damage. This dual-mode operation makes the supply suitable for both constant voltage applications like powering circuits and constant current applications like LED testing.

Can the KPS10020D be used for constant current charging applications?

Yes, the KPS10020D excels at constant current applications by utilizing its current limiting feature. Set your desired constant current value using the current adjustment control, then increase voltage until your circuit reaches the desired current level shown on the display. The supply maintains this current constant regardless of load resistance changes, making it ideal for battery charging, LED testing, and component burn-in testing. The 0.1A resolution allows precise current setting for sensitive applications requiring tight tolerance control.

How does the output ripple specification affect my test results?

The KPS10020D's less than 5mV RMS output ripple ensures your test circuits receive clean DC power without high-frequency noise that could corrupt analog measurements or trigger false digital signals. This specification is critical when testing sensitive analog circuits like precision amplifiers, data acquisition systems, or audio circuits where ripple can introduce noise into measurements. For comparison, typical unregulated power supplies produce 50-100mV ripple, making the KPS10020D approximately 10-20 times cleaner, enabling more accurate characterization of component performance.

What protection does the overvoltage shutdown provide?

The overvoltage shutdown automatically disconnects the output if voltage exceeds 110V, protecting connected devices from voltage transients or accidental overvoltage conditions. This feature activates faster than manual intervention, preventing damage to sensitive components that may have lower voltage ratings. Once triggered, you must reduce the voltage adjustment below 100V and power cycle the unit to restore operation, ensuring you address the fault condition before continuing.

Can I parallel multiple KPS10020D units for higher current?

Paralleling multiple units is not recommended without external current sharing circuits, as slight differences in output impedance between units will cause unequal current distribution, potentially overloading one supply while underutilizing others. If you require higher current capacity, consider upgrading to a higher-current model like the KPS20020D (20A) or using dedicated current-sharing modules designed for parallel operation of multiple supplies.

When will I receive my order?

Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.

What is your return and warranty policy?

We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.

Are bulk discounts available?

Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.

Why Buy from The Engineer Store

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• Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
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• Returns: 7-day return policy on manufacturing defects only

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