Compact medical power supply offers 450W without fans

10th June 2021
Alex Lynn

The new MEU-650A24T from Delta Electronics supplies 24V in a very small 4x6" form factor, providing up to 650 W with forced air cooling or 450W when convection cooled. This 95.5% efficiency power supply is suitable for BF type medical equipment and general IT equipment.

It is equipped with a 12V/0.6A fan output and 5V/2A standby output. High efficiencies of up to 95.5% and a wide operating temperature range of -20 to +70°C mean that the MEU-650A24T is suitable for various applications such as ultrasound, anaesthesia and other medical equipment. Featuring two MOPP Isolation, these units are supplied with onboard current sharing technology enabling two units to be paralleled together to increase the power supplied.

This family which will be added to with 12 and 48V variants later this year, is also suitable for many industrial applications with major approvals including IEC/EN/CSA 60601-1 (Medical), IEC 60950-1, and IEC/EN/UL/CSA 62368-1 (ITE) including IEC/EN 60335-1 and IEC 61558-1 (Household appliances).

The MEU-650A24T is also certified with EMC standards EN 55011 for industrial, scientific and medical (ISM) radio-frequency equipment, and EN 55032 for Information Technology Equipment (ITE) radio-frequency equipment; as well as full compliance with RoHS Directive for environmental protection.

Highlights & features

  • Convection / Force air cooled
  • Up to 650W in 4x6x1.575" package
  • Up to 17.2W/inch³ power density
  • Full power up to 50°C ambient
  • High efficiency up to 95.5%
  • Up to 500kHrs MTBF
  • Two MOPP Isolation
  • Suited for BF type medical products.
  • 5V/2A standby output
  • 12V/0.6A fan output
  • Current sharing
  • Conformal coating (optional)
  • Class B conducted and radiated EMI
  • IEC 60601-1-2 Ed.4 immunity compliance
  • Normal and reversed option for remote On/Off and power good signal
  • Voltage trimming

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