Cosel CHS Series

  • Regulated DC/DC bus converters optimized for POL
  • Industry standard brick sizes (1/32, 1/16, 1/8 & 1/4)
  • High efficiency
  • Optional base plate (CHS-200, CHS-300, CHS-400 & CHS-500)
  • Operating temperature: -40~+85°C
  • Output voltage is adjustable via external potentiometer
  • Built-in over current, over voltage and thermal protection circuits
  • Built-in remote On/Off & remote sensing functions
  • Isolation: 2250Vdc (in compliance with IEEE802.3 PoE standards)
  • Ideal for intermediate bus architecture
  • Cosel 5 year warranty
  • TRC Electronics is the USA distribution headquarters of Cosel CHS DC/DC converters. Contact us for award winning service.
CHS Series DC/DC Bus Converters
Safety Logos
Cosel
Model #
Input
Voltage
Output
Voltage
Max.
Current
Efficiency
CHS60483R3 36~76Vdc 3.3Vdc 18A 91.5%
CHS604805 36~76Vdc 5Vdc 12A 93%
CHS604812 36~76Vdc 12Vdc 6A 92.5%

Safety Logos
Cosel
Model #
Input
Voltage
Output
Voltage
Max.
Current
Efficiency Option
CHS80483R3 36~76Vdc 3.3Vdc 25A 92% -
CHS80483R3-S 36~76Vdc 3.3Vdc 25A 92% SMD
CHS804805 36~76Vdc 5Vdc 16A 92% -
CHS804805-S 36~76Vdc 5Vdc 16A 92% SMD
CHS804812 36~76Vdc 12Vdc 7.5A 92% -
CHS804812-S 36~76Vdc 12Vdc 7.5A 92% SMD

Safety Logos
Cosel
Model #
Input
Voltage
Output
Voltage
Max.
Current
Efficiency Option
CHS200483R3 36~76Vdc 3.3Vdc 50A 93% -
CHS200483R3-B 36~76Vdc 3.3Vdc 50A 93% Base Plate
CHS2004805 36~76Vdc 5Vdc 40A 94% -
CHS2004805-B 36~76Vdc 5Vdc 40A 94% Base Plate
CHS2004812 36~76Vdc 12Vdc 16A 94% -
CHS2004812-B 36~76Vdc 12Vdc 16A 94% Base Plate

Safety Logos
Cosel
Model #
Input
Voltage
Output
Voltage
Max.
Current
Efficiency Option
CHS3002405 18~36Vdc 5Vdc 40A 93.5% -
CHS3002405-B 18~36Vdc 5Vdc 40A 93.5% Base Plate
CHS3002412 18~36Vdc 12Vdc 16.7A 92% -
CHS3002412-B 18~36Vdc 12Vdc 16.7A 92% Base Plate
CHS3002415 18~36Vdc 15Vdc 13.5A 93.5% -
CHS3002415-B 18~36Vdc 15Vdc 13.5A 93.5% Base Plate
CHS3004810 36~76Vdc 10Vdc 30A 94.5% -
CHS3004810-B 36~76Vdc 10Vdc 30A 94.5% Base Plate
CHS3004812 36~76Vdc 12Vdc 25A 94.5% -
CHS3004812-B 36~76Vdc 12Vdc 25A 94.5% Base Plate
CHS3004812H 36~76Vdc 12Vdc 25A 95.5% -
CHS3004812H-B 36~76Vdc 12Vdc 25A 95.5% Base Plate

Safety Logos
Cosel
Model #
Input
Voltage
Output
Voltage
Max.
Current
Efficiency Option
CHS4004810 36~76Vdc 10Vdc 40A 94.5% -
CHS4004810-B 36~76Vdc 10Vdc 40A 94.5% Base Plate
CHS4004812 36~76Vdc 12Vdc 33A 95% -
CHS4004812-B 36~76Vdc 12Vdc 33A 95% Base Plate
CHS4004812H 36~76Vdc 12Vdc 33A 95.5% High Efficiency
CHS4004812H-B 36~76Vdc 12Vdc 33A 95.5% High Efficiency & Base Plate

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