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This Victron Energy Orion-Tr Isolated DC-DC converter is a compact voltage converter for reducing the voltage from a 24V battery source to a nominal 12V output. This is useful if you have a 24V battery system and want to run 12V appliances from it (which are more readily available than 24V appliances).

There is a wide input voltage range of 16-35V ensuring that the output voltage remains stable even during charging and discharging, and the output voltage is adjustable between 10-15V via a potentiometer. This model has a nominal current output of 20A (240W), but an unlimited number of these units can be parallel connected to increase output. It features full galvanic isolation of the inputs and outputs and has a remote on/off facility, so you can activate or deactivate it manually using a low current switch, or automatically using a battery +ve signal (e.g. switched ignition feed). There is a low off-load (standby) current of <100mA and the unit has screw clamp terminals, so is simple to install with no special tools required. 

Commonly used in trucks and other agricultural & commercial vehicles, larger motorhomes, horseboxes and larger boats that have 24V starter and/or leisure battery systems.


  • Galvanic isolation
  • Remote on/off
  • Wide input voltage range
  • Adjustable output voltage
  • Short circuit proof output
  • Overload protected output
  • Can be parallel connected for higher output
  • High temperature protected
  • Low voltage shut-down (battery protect)
  • IP43 protected
  • No special tools required for installation

Victron Energy Orion-Tr DC-DC Converter 24V-12V 20A (240W) - Isolated

SKU: ORI241224110
Sales Tax Included |
    • Input voltage range: 16-35V DC
    • Under-voltage shut down: 14V
    • Under-voltage restart: 15V
    • Nominal output voltage: 12.2V
    • Output voltage adjustment range: 10-15V
    • Output voltage tolerance: +/- 0.2V
    • Output noise: 2mV rms
    • Continuous output current at nominal output voltage and 25°C: 20A
    • Maximum output current (10s) at nominal output voltage: 25A
    • Short circuit output current: 50A
    • Continuous output power at 25°C: 300W
    • Continuous output power at 40°C: 240W
    • Efficiency: 88%
    • No load input current: <100mA
    • Galvanic isolation: 200V DC between input, output & case
    • Operating temperature range: -20 to +55°C (de-rate 3% per °C above 40°C)
    • DC connection type: Screw terminals
    • Maximum cable size: 16mm²
    • Weight: 1.3kg
    • Overall dimensions: 186 (L) x 130 (W) x 70 (H) mm
    • Part Number:  ORI241224110
    • Bar Code:  8719076035251
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