DC to DC Converters

One of the limits to 12 - volt marine electrical systems in larger boats is what we call “voltage drop”. For most boats up to approximately 38 – 40 ft. in length voltage drop is typically not an issue. However, as the length of the vessel increases the size of the DC loads increases proportionately. When you start adding marine components like bow thrusters, inverters, water makers, electric winches, & windlasses it becomes almost impractical to use 12V wiring. Additionally, these marine components typically draw half as many amps at 24 volts versus 12 volts. Captain’s Marine Supply has a great selection of DC to DC Converters & Step – Down Transformers manufactured by Analytic Systems, Mastervolt, & Samlex. Shop with us today & save!      

22 products found in DC to DC Converters

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Analytic Systems Non Iso DC/DC Converter 13A, 24V Out, 11-15V In
  • $481.99

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Analytic Systems Non Iso DC/DC Converter 22A, 24V Out, 11-15V In
  • $716.99
Analytic Systems Waterproof IP66 DC Converter 10A, 12V Out 20-80V In, Ruggedized
  • $301.99
Analytic Systems Waterproof IP66 DC Converter 10A, 24V Out, 30-80V In, Ruggedized
  • $301.99

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Mastervolt DC Master 24V to 12V Converter - 12 Amp
  • $101.99

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Mastervolt DC Master 24V to 12V Converter - 24 Amp
  • $240.99

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Mastervolt DC Master 24V to 12V Converter - 24A w/Isolator
  • $357.99
Mastervolt Mac Plus 12/24-30 Converter
  • $644.99
Samlex 100W Fully Isolated DC-DC Converter - 4A - 9-18V Input - 24V Output
  • $163.99

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Samlex 100W Fully Isolated DC-DC Converter - 8A - 9-18V Input - 12.5V Output
  • $163.99

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Samlex 200W Fully Isolated DC-DC Converter - 16A - 9-18V Input - 12V Output
  • $188.99

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Samlex 200W Fully Isolated DC-DC Converter - 8A - 20-35V Input - 24V Output
  • $188.99
Samlex 200W Fully Isolated DC-DC Converter - 8A - 30-60V Input - 24V Output
  • $188.99

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Samlex 200W Fully Isolated DC-DC Converter - 8A - 9-18V Input - 24V Output
  • $188.99

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Samlex 20A Non-Isolated Step-Down 24VDC-12VDC Converter
  • $111.99
Samlex 30A Non-Isolated Step-Down 24VDC-12VDC Converter
  • $159.99

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Samlex 360W Fully Isolated DC-DC Converter - 15A - 30-60V Input - 24V Output
  • $363.99

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Samlex 360W Fully Isolated DC-DC Converter - 30A - 9-18V Input - 12.5V Output
  • $363.99
Samlex 5A Non-Isolated Step-Down 24VDC-12VDC Converter
  • $48.99
Samlex 60A Non-Isolated Step-Down 24VDC-12VDC Converter
  • $383.99
Samlex Step-Up DC-DC Converter - 10A - 9-18V Input - 24V Output
  • $168.99

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Samlex Step-Up DC-DC Converter - 7A - 9-18V Input - 24V Output
  • $120.99