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SMX Power

Mean Well EPP-400 series

Mean Well EPP-400 series

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400W Single Output with PFC Function


  • 5″×3″ miniature size
  • Universal AC input / Full range
  • Built-in active PFC function
  • EMI Class B for ClassⅠ& Class A for Class Ⅱ configuration
  • No load power consumption<0.5W by PS_ON control
  • High efficiency up to 94%
  • Protections: Short circuit / Overload / Over voltage / Over temperature
  • Cooling by free air convection for 250W and 400W with 25CFM forced air
  • Built-in 12V/0.5A FAN supply
  • Standby 5V@1A with fan , 0.6A without fan
  • Built-in remote sense function
  • LED indicator for power on
  • Output 18V available
  • Operating altitude up to 5000 meters
  • 3 years warranty


  • Industrial automation machinery
  • Industrial control system
  • Mechanical and electrical equipment
  • Electronic instruments, equipment or apparatus


EPP-400 is a 400W highly reliable green PCB type power supply with a high power density on the 5″ by 3″ footprint. It accepts 80~264VAC input and offers various output voltages between 12V and 48V. The working efficiency is up to 94% and the extremely low no-load power consumption is down below 0.5W. EPP-400 is able to be used for both ClassⅠ(with FG) and Class Ⅱ(no FG) system design. EPP-400 is equipped with complete protection functions; it complies with international safety regulations such as TUV BS EN/EN62368-1, TUV BS EN/EN60335-1, UL62368-1, and IEC62368-1. EPP-400 series serves as a high price-to-performance power supply solution for various industrial applications.

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