The Victron Energy ORI124838120 Orion-Tr 12/48-8 is an isolated DC-DC converter designed to convert power from a 12V DC source to a nominal 48V DC output. It provides 8A continuous output at 40°C and 430W continuous output power at 25°C, making it suitable for properly designed DC systems requiring isolated voltage conversion. 

The Orion-Tr combines an adjustable output, 200VDC galvanic isolation, remote on/off control, parallel capability, short-circuit protection, and high-temperature protection. This model is a DC-DC converter rather than a battery charger; Victron specifically directs battery-charging applications to the Orion-Tr Smart range. 

Key Technology

• Isolated DC-DC Conversion
  Provides electrical isolation between the input, output, and case while converting a 12V DC source to a higher-voltage DC output.

• Adjustable Output Voltage
  The output can be adjusted to suit compatible DC equipment requiring voltage within the supported output range.

• Buck-Boost Regulation
  When the output is set at or below nominal voltage, the converter maintains a stable output across the specified input-voltage range using its buck-boost functionality.

• Remote On/Off
  The remote terminal allows the converter to be controlled with a low-power switch or another compatible control signal, eliminating the need for a high-current switch in the main input wiring.

• Parallel Operation
  Compatible Orion-Tr converters can be connected in parallel when additional output-current capability is required.

• Short-Circuit Protection
  The converter is designed with output short-circuit protection to help protect the unit during abnormal output conditions.

• High-Temperature Protection
  Output current is automatically reduced at elevated ambient temperatures to help protect the converter from excessive thermal stress.

• Screw-Terminal Connections
  DC connections use screw terminals, providing a straightforward installation interface without requiring specialized connection tools.

Best Uses

• 12V to 48V DC Conversion
  Designed for systems that need to power compatible higher-voltage DC equipment from a nominal 12V DC source.

• Galvanically Isolated DC Systems
  Suitable where electrical separation between the input and output circuits is required as part of the system design.

• Vehicle DC Power Systems
  Suitable for properly designed vehicle electrical systems requiring conversion from a 12V source to a higher DC voltage.

• DC Equipment Power Supply
  Can supply compatible DC equipment within its supported output-voltage and power limits.

• Remote-Controlled DC Loads
  Useful where the converter needs to be enabled or disabled through a low-power external switch or compatible control circuit.

• Expandable DC Conversion Systems
  Parallel capability allows multiple compatible converters to be used when the system requires additional output current.

Product Specifications

Isolated 12V to 48V DC Power Conversion

The Victron Energy ORI124838120 Orion-Tr 12/48-8 combines isolated DC voltage conversion, adjustable output, remote control, parallel capability, short-circuit protection, and thermal protection in a robust DC power solution. It is designed for properly engineered systems that need to operate compatible 48V-class DC equipment from a 12V DC source.

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