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Rectangular bench power supply, dark metal case, front LCD, knobs and binding posts

myVolts

myVolts MCH-K305D Power Supply 30V 5A 150W

SKU CH-B35R-J3B9G MPN MCH-K305D

Adjustable DC supply delivers 0–30 V at up to 5 A with 150 W output, over-voltage and over-temperature protection, and a high-contrast LCD showing ±0.5 % accuracy

  • Product typeAT
  • Adjustable 0-30V output for versatile electronic repair
  • 0-5A current range supports aging tests and prototyping
  • 150W switching regulator delivers >85% efficiency
  • CE certified with overvoltage and over-temperature protection
  • LCD display shows voltage and current at ±0.5% accuracy

Adjustable DC Power Supply 30V 5A

The myVolts MCH-K305D is a switching DC regulator that delivers 0-30 V and 0-5 A for up to 150 W. It suits technicians running experimental current tests, ageing cycles or electronic repair work that needs stable, adjustable output.

Protections and Display Change Daily Use

Overvoltage, over-temperature and anti-shock protections guard the load during long runs. The LCD shows voltage and current with milliamp resolution and ±0.5% display accuracy, while ripple and noise stay at 20mA P-P for clean bench results.

Simple Bench Setup With Thermal Limits

The unit accepts 110/220 V input at 50/60 Hz and operates from -20 °C to 80 °C below 90% humidity. Efficiency exceeds 85%. Builders who need remote programming, higher current or multi-channel output should look elsewhere.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $195.99
Pricier than about 62% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeAT

Questions about this item

Will the internal cooling fan need replacement after extended daily use?

The unit relies on its built-in fan for thermal management; no user-serviceable fan schedule is published, so plan on professional service if airflow drops.

What limits continuous full-load operation at 150 W output?

Internal over-temperature protection will shut the supply down before components exceed safe limits, making thermal headroom the practical ceiling.

How much audible noise and heat does the supply produce when running all day at high load?

Efficiency above 85 % keeps waste heat moderate, and the fan runs only as fast as needed, so noise stays low in typical bench conditions.

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