Open Frame Power Supply


The PJ open frame power supply series features include low leakage and low Inrush current while the conformal coating on the PCBAs provides protection against common dust and chemical pollutants. Only recognized Japanese connectors and capacitors are used and options for metal chassis and case cover are available.
• Built-in PFC
• Versatile configurations
• Conformal coating


The PJB open frame power supply series bears the same characteristics as the PJ series but include built-in Power Boost of 200% for 10 seconds. Metal chassis and case cover are available as options for different installation preferences. 
• Built-in PFC
• Power Boost
• Conformal Coating


The PJT open frame power supply series can meet the price demand of cost competitive markets without compromising the quality of the components. The series come in industrial small footprints like 2x3”, 2x4” and 3x5”.
• Built-in PFC
• Small footprints


The PJU series of open frame power supply with integrated DC UPS function. It will switch to battery operation without interruption to prevent end-product downtime or unexpected loss of AC input power.

  • Zero switch over time from loss of AC to battery operation
  • Protection against reverse polarity battery connection
  • Built-in diagnostic monitoring for AC OK and Battery Low status

Medical Open Frame

The Medical Open Frame provides high performance and reliable solution for internal power supply in a medical equipment or system.

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