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CHB300-300S-CMFC(D) Series, 300 Watt, High Input, Chassis Mounting DC-DC Converter

180~425 Input Range

3000 VDC Isolation

Complete, ready to use solution


  • Efficiency Up to 90%
  • Fixed Switching Frequency
  • Regulated Outputs
  • Remote On/Off
  • Low No Load Power Consumption
  • Fully Protected (OTP/OCP/OVP)
  • 3000Vac I/O Isolation
  • Operating Case Temperature -40 to +100℃
  • Continuous Short Circuit Protection
  • Safety Meets IEC/EN/UL 62368-1 2nd
  • Shock & Vibration Meet EN61373
  • Fire & Smoke EN45545 Compliant
  • Build-In EMI Filter
  • Chassis Mount, Baseplate Cooled

Models and Ratings

Model (Open Frame)Model (Enclosed)Input VDCOutput VDCOutput Current
CHB300-300S05-CMFCCHB300-300S05-CMFD180~425 Volts5 Volts60 Amps
CHB300-300S12-CMFCCHB300-300S12-CMFD180~425 Volts12 Volts25 Amps
CHB300-300S24-CMFCCHB300-300S24-CMFD180~425 Volts24 Volts12.5 Amps
CHB300-300S28-CMFCCHB300-300S28-CMFD180~425 Volts28 Volts10.7 Amps
CHB300-300S48-CMFCCHB300-300S48-CMFD180~425 Volts48 Volts6.25 Amps

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