High Power Density AC/DC Converter Comply with Medical Approvals You Can't Miss - LOF750-20Bxx Series

ac dc converter & ac to dc converter module & LOF750-20Bxx Series

MORNSUN's POWER MODULE LOF750-20Bxx is one of Mornsun's miniaturized, high-density, and open-frame AC/DC converters. 

It delivers a nominal output of 12V, 15V, 24V, 27V, 36V, 48V, and 54V at the power level of 750W.

By now, the LOF-20Bxx series covers output powers of 120W, 225W, 350W, 450W, 550W, and 750W for space-constrained applications


1. High performance: higher power density and meeting medical requirements

  • Compact size of 5" × 3" (127*72.6*43mm), power density of 29.5W/inch3

  • 450W with air cooling, 750W with 25CFM

  • Design to meet medical approvals(2×MOPP) and be suitable for BF-type applications

  • CE and RE compliance with CISPR32/EN55032 CLASS B

  • ESD compliance with IEC/EN61000-4-2 Contact ±8KV/Air ±15KV

2. High reliability: for a wide range of applications

  • PG signal design

  • Suitable for Class I and Class II systems

  • The base plate with conformal coating

  • Operating altitude up to 5000m


The series is suitable for all BF-type (accessible to patients) medical equipment.

It can be used in various applications, including industrial control, LED, street lamp control, electricity, security, communication, smart home, medical, etc. 

The series is suitable for all BF-type medical equipment.jpg


  • Universal 90 - 264VAC or 127 - 370VDC input voltage

  • Compact size 5" × 3" × 1.7"

  • Operating ambient temperature range: -40℃ to +70℃

  • Built-in active PFC function (PF>0.95 @230VAC)

  • Operating altitude up to 5000m

  • Isolation voltage: 4000VAC

  • Lower standby power consumption: <0.5W (PS-ON: low)

  • Output short circuit, over-current, over-voltage, over-temperature protections

  • 450W with air cooling(12V/15V: 400W), 750W with 25CFM(12V/15V: 700W)

  • 5VDC standby output, 5VDC fan supply

  • PG signal and remote sensing function

  • Design to meet medical approvals and be suitable for BF-type applications

  • The base plate with conformal coating

  • Safety according to IEC/EN/UL62368-1, IEC/EN/ES60601-1, IEC/EN60335-1, GB4943

* For detailed information please refer to the related datasheet, product news is for reference only.
Please refer to the technical manual for specific product parameters:

Series Power(W) Vin(VAC) Vin(VDC) Vout(VDC) Iout Efficiency(%) Isolation Footprint & 3D Markings Datasheet Sample Buy
LOF750-20B12 699.6 90-264 127-370 12 58.3A 92 4000VAC
LOF750-20B15 700.5 90-264 127-370 15 46.7A 92 4000VAC
LOF750-20B24 748.8 90-264 127-370 24 31.2A 94 4000VAC
LOF750-20B27 750.6 90-264 127-370 27 27.8A 94 4000VAC
LOF750-20B36 748.8 90-264 127-370 36 20.8A 94.5 4000VAC
LOF750-20B48 748.8 90-264 127-370 48 15.6A 95 4000VAC
LOF750-20B54 750 90-264 127-370 54 13.89A 95 4000VAC

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