Victron Energy Orion-Tr 24/12-20 (240W) DC-DC Converter ORI241220200R

The Victron Energy ORI241220200R Orion-Tr 24/12-20 is a non-isolated DC-DC converter designed to convert a nominal 24V DC supply to a regulated 12.5V DC output. With a 20A continuous output and 240W nominal output capability, it provides an efficient solution for operating compatible 12V equipment from 24V battery and DC electrical systems.

The Orion-Tr 24/12-20 operates across an 18–35V input range, delivers up to 25A maximum output current, and achieves 97% efficiency. Victron also specifies low off-load consumption, screw-terminal DC connections, and IP43 protection when installed in the required orientation. 

Key Technology

• 24V-to-12V DC Conversion
  Designed to step down a compatible nominal 24V DC source to a regulated 12.5V output for powering 12V-class equipment and auxiliary circuits.

• 20A Continuous Output
  Provides 20A continuous output current for compatible DC loads operating within the converter's specified limits. 

• 25A Maximum Output Current
  Supports up to 25A maximum output current, providing additional short-duration output capability above its continuous current rating. 

• 97% Conversion Efficiency
  Uses synchronous rectification for highly efficient DC conversion. Victron specifies 97% efficiency for the Orion-Tr 24/12-20 model. 

• Wide 18–35V Input Range
  Accepts 18V to 35V DC, allowing the converter to accommodate the normal voltage variation found in compatible nominal 24V battery systems.

• 12.5V Regulated Output
  Provides a specified 12.5V DC output for supplying compatible equipment that requires a 12V-class DC source. 

• Low Off-Load Consumption
  Off-load current is specified at less than 35mA, helping minimize unnecessary battery consumption when connected equipment is not drawing power.

• IP43 Protection
  Provides IP43 protection when installed with the screw terminals oriented downward, as specified by Victron Energy. 

• Screw-Terminal Connections
  Uses convenient screw terminals for DC wiring. Victron notes that no special tools are required for installation. 

Best Uses

• 24V Battery Systems
  Ideal for supplying compatible 12V equipment from nominal 24V battery banks and DC electrical systems.

• 12V Accessories on 24V Systems
  Useful for powering compatible lighting, controls, electronics, communication equipment, and other 12V auxiliary loads from a 24V source.

• Vehicle Electrical Systems
  Suitable for compatible vehicle and mobile installations where a 24V electrical system must supply 12V auxiliary equipment.

• Marine DC Systems
  Provides efficient voltage conversion for compatible marine electrical systems using a 24V battery bank with 12V auxiliary loads.

• Battery-Based Power Systems
  Suitable for off-grid and battery-based installations requiring dependable step-down conversion for 12V-class equipment.

• DC Distribution Applications
  Can be used to establish a dedicated lower-voltage supply for compatible auxiliary loads within a properly designed 24V DC distribution system.

Product Specifications

High-Efficiency 24V-to-12V DC Power Conversion

The Victron Energy ORI241220200R Orion-Tr 24/12-20 provides an efficient solution for powering compatible 12V equipment from a nominal 24V DC system. Its 240W nominal capability, 20A continuous output, 25A maximum output, 97% efficiency, wide input range, and straightforward screw-terminal installation make it a practical choice for properly designed battery, vehicle, marine, and auxiliary DC power systems.

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