The DC401W is a contact-cooled DC/DC converter with ATX output, designed to meet the requirements of modern industrial environments, making it ideal for continuous 24/7 operation in fanless systems. Developed and manufactured in Germany, this highly efficient ATX power supply meets the highest standards of quality and longevity.
In addition to a carefully engineered design, we consistently rely on high-quality components, such as polymer aluminium capacitors, reflected in an exceptionally long service life of over 10 years. The enhanced immunity to surge and burst events in industrial environments according to EN61000 ensures reliable operation even under harsh conditions.
With an ultra-wide input voltage range of 6 to 36V, the DC401W delivers a fanless continuous output of 400W. This 1U power supply features a modern circuit design compliant with the ATX3.0 specification and therefore meets the demands of current processor generations, which exhibit highly dynamic power consumption with extremely rapid load changes within very short time periods.
The DC401W is designed for reliable continuous operation across an extended temperature range of -20 to +70°C. The wide input range ensures a stable and secure power supply to the mainboard, even under strong fluctuations in supply voltage or when used in mobile applications.
With its optimised thermal design, the fanless DC401W offers high efficiency, minimal heat generation and long-term reliability. A thermal pad on the underside of the PCB ensures optimal thermal coupling of the power components, providing safe and efficient contact cooling.
- 400W high-power DC-ATX converter
- Ultra-wide input range 6…36VDC
- ATX output voltages +12V / 27A, +5V / 7A, +3.3V / 7A, –12V / 0.3A, 5Vsb / 3A
- Designed to ATX3.0 specification
- Ideal for latest processor generations
- Operating temperature range -20...+70°C
- High efficiency up to 94%
- Very compact U-chassis design
- Suitable for 1U enclosures
- Enhanced immunity to surge & burst
- Capacitor lifetime over 10 years
- Temperature-controlled fan connector
- Available from stock
