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The MCH-K3010D-III is a high-precision, 300W adjustable switching DC power supply featuring a 4-digit display and multi-layered safety protection for lab, repair, and industrial testing.
Features a 4-digit LED display for accurate voltage and current readouts
Delivers continuously adjustable 0-30V voltage and 0-10A current
Highly efficient, lightweight, and low-heat operation
The MCH-K3010D-III regulated power supply serves as an essential electrical source for electronic component testing, chip-level circuit repair, and laboratory research or education. When working with delicate devices under test, the four-digit, high-brightness LED digital displays on the front panel provide straightforward feedback on the current output state, with voltage and current readouts precise to 10mV and 10mA to ensure data remains clearly visible. Utilizing the dual coarse and fine adjustment knobs on the panel, the equipment allows for continuous, smooth variations across a wide range of 0 to 30V and 0 to 10A, delivering a stable maximum output power of 300W. This fine-tuning mechanism provides precise electrical control for practical applications such as complex circuit board troubleshooting or battery charging.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
MCH MCH-K3010D-III SWITCHING DC POWER SUPPLY Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Automotive Electronics Manufacturing
Provides standard DC power to 12V/24V supply systems such as Engine Control Units (ECUs), in-car navigation, and dashboards for pre-factory power-on functional testing.
Automation Control Cabinet Assembly
Supplies temporary 24V DC operating power to PLC modules, sensors, relays, and HMIs inside control cabinets during the factory debugging stage.
Lithium Battery & Energy Storage Manufacturing
Used for constant current and constant voltage (CC/CV) charging tests of single lithium cells and BMS protection boards, as well as calibrating the threshold of overcharge protection voltage.
Power Tools Manufacturing
Supplies variable power to DC brushed or brushless motors inside handheld drills, lawnmowers, and other tools to test no-load current and rotational speed under different voltages.
Rail Transit Equipment
Simulates the DC low-voltage distribution network of train control systems to maintain and test locomotive signal lights, relay protection devices, and on-board communication hardware.
Medical Device Production
Offers voltage-compliant supply testing for patient monitor motherboards, small electric hospital bed motors, and internal circuit boards of portable ultrasound devices.
When using the MCH-K3010D-III, always verify that the rear input voltage switch (110V/220V) matches your local grid before powering on, and never turn the power switch on or off while a load is connected. Adjust voltage and current knobs slowly to prevent transient surges from damaging the connected device.
Avoid continuous overloading, prolonged short-circuits at the output, or blocking the side ventilation holes. When charging batteries, an anti-reverse diode must be installed at the output terminal to prevent backward current from burning out the internal components of the power supply.
The MCH MCH-K3010D-III is an industrial-grade, high-precision variable switching DC power supply. Utilizing a high-efficiency PWM topology, it delivers a compact, low-heat, and energy-saving design with continuously adjustable 0-30V and 0-10A outputs (up to 300W), precisely monitored via a dual 4-digit LED display. Featuring automatic CV/CC crossover, a smart temperature-controlled cooling fan, and full hardware protections (OVP, OCP, OTP, and short-circuit), it serves as a highly efficient and safe power solution for electronics repair, laboratory R&D, and automated testing.
What are the core output specifications of MCH-K3010D-III?
Its maximum output voltage is 30V, maximum output current is 10A, and maximum output power reaches up to 300W.
How to correctly connect the input power for MCH-K3010D-III?
Check the voltage selector switch (110V/220V) on the back to match your local grid before plugging in the standard 3-pin grounded power cord.
How to use MCH-K3010D-III to set the desired output voltage?
Power on the device, keep the load disconnected, turn the "VOLTAGE" coarse and fine knobs, and observe the screen until the target voltage value is displayed.
How to set the current limit (protection value) using MCH-K3010D-III?
With the load disconnected, short-circuit the positive and negative output terminals with a wire, power on, slowly turn the "CURRENT" knob to the required safety value, and then remove the short-circuit wire.
What are the main applications of MCH-K3010D-III?
Widely used in mobile phone and laptop repair, laboratory electronic testing, battery charging, factory product burn-in testing, and DIY electronics R&D.
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Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.
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