DC Power Supply 300V

Our high voltage DC power supply 300V is designed to serve various sectors such as electronics manufacturing, scientific research, and the telecommunications industry. Key features of these high voltage power supplies include:

  • Precision Control:Equipped with an encoder adjustment knob, the power supply allows for precise tuning of voltage and current to meet specific needs.
  • Comprehensive Protection:Features safety protections including overvoltage, overcurrent, overpower, overtemperature, and short circuit, ensuring the security of the power supply and connected devices.
  • Output Switch:An integrated output switch helps prevent potential damage to connected loads during the setup and disconnection processes.
  • Efficient Cooling:An intelligent cooling fan assists in quickly reducing the unit’s temperature, thus maintaining optimal performance and extending its lifespan.


ETOMMENS offers a range of DC high voltage power supplies, available in output voltages from 200 to 800 volts. The lineup features models at specific voltages including 200V, 220V, 250V, 300V, 400V, 500V, 600V, and 800V, providing a wide array of options to meet various high-voltage needs.