Victron Energy ● Orion-Tr Series Victron Orion-Tr Isolated DC-DC Converter 24V Input | 12V Output | 20A (240W) The Victron Orion-Tr Isolated DC-DC Converter (ORI241224110) is a robust and reliable solution for converting a 24V DC input to a stable, adjustable 12V DC output. Manufactured by Victron Energy, this converter is designed for demanding applications where electrical isolation between the input and output is essential for safety and system integrity. Ideal for use in marine, automotive, and off-grid systems, it allows you to power 12V equipment or charge 12V batteries from a 24V source. Its adjustable output voltage and ability to be paralleled make it a versatile component for various power management setups. CORE FUNCTION: Provides galvanically isolated 24V to 12V DC conversion with 20A continuous output. Key Features ▶ Isolated Design — Ensures electrical separation between input and output for enhanced safety and system integrity. ▶ Remote On-Off — Eliminates the need for a high-current switch in the input wiring, allowing control via a low-power switch or engine run/stop switch. ▶ Adjustable Output Voltage — Output voltage can be set between 10V and 15V, suitable for precise load requirements or charging 12V batteries. ▶ Parallel Capability — An unlimited number of units can be connected in parallel to increase the total output current. ▶ Short Circuit Proof — Provides robust protection against output short circuits, enhancing system reliability. ▶ IP43 Protection — Offers protection against solid objects larger than 1mm and splashing water when installed with screw terminals facing downwards. ▶ Screw Terminals — Simplifies installation, eliminating the need for special tools. Technical Specifications Parameter Value Input Voltage Range 16-35V DC Nominal Output Voltage 12.2V DC Adjustable Output Voltage Range 10-15V DC Continuous Output Current (at 40°C) 20A Continuous Output Power (at 40°C) 240W Efficiency 88% Galvanic Isolation 200V DC (Input/Output/Case) Operating Temperature Range -20 to +55°C Dimensions (H x W x D) 130 x 186 x 70 mm Weight 1.3 kg Operating & Power Guidance Aspect Guidance Voltage Conversion Efficiently steps down a 24V DC input to a regulated 12V DC output. Battery Charging Can be used to charge a 12V starter or accessory battery within a 24V system, thanks to its adjustable output voltage. Load Powering Provides a stable 12V supply for sensitive electronic devices and other 12V DC loads up to 240W. System Integration The isolated design ensures that the 12V output system is electrically separate from the 24V input system, preventing ground loops and improving safety. Typical Applications Application Description Marine & Automotive Powering 12V navigation equipment, radios, lighting, or charging 12V auxiliary batteries from a 24V vehicle or boat system. Off-Grid & RV Systems Integrating 12V appliances and electronics into a 24V leisure battery bank setup, ensuring a stable power supply. Industrial Equipment Stepping down voltage for control systems, sensors, or specific 12V DC equipment in industrial environments. Backup Power Systems Providing a reliable 12V supply for critical loads from a 24V battery backup system. Built-In Protection Functions The Victron Orion-Tr Isolated DC-DC Converter incorporates several protection mechanisms to ensure safe and reliable operation. These include: Short Circuit Protection • High Temperature Protection (output current reduces at high ambient temperatures) • Under-Voltage Shutdown (input voltage below 14V DC) • Input Fuse (non-replaceable, on 24V input models). Common Questions What does 'isolated' mean for a DC-DC converter? An isolated DC-DC converter provides electrical separation (galvanic isolation) between the input and output circuits. This prevents ground loops, enhances safety, and protects sensitive electronics from voltage spikes or noise originating from the input source. Can this converter charge a 12V battery from a 24V system? Yes, the Victron Orion-Tr Isolated DC-DC Converter features an adjustable output voltage (10-15V), making it suitable for charging 12V starter or auxiliary batteries in a 24V system. How can I increase the output current if 20A is not enough? The Orion-Tr series converters are designed to be paralleled. You can connect an unlimited number of identical units in parallel to achieve a higher combined output current for your application. What does IP43 protection signify? IP43 indicates that the converter is protected against solid objects larger than 1mm (e.g., tools, wires) and against splashing water from any direction. This rating applies when the unit is installed with the screw terminals oriented downwards. Installation Notes Professional installation is recommended to ensure correct wiring and optimal performance. Ensure adequate ventilation around the converter to prevent overheating, especially when operating at full load. For IP43 protection, mount the unit with the screw terminals facing downwards. Always verify input and output polarity before making final connections. Refer to the official Victron Energy manual for detailed installation instructions and safety guidelines. Before You Buy Confirm your system's input voltage is 24V DC and your desired output voltage is 12V DC. Calculate the total continuous power (Watts) and current (Amps) required by your 12V loads to ensure this 240W / 20A converter meets your needs. Consider if you require the advanced charging features (e.g., Bluetooth, adaptive charging) found in the Victron Orion-Tr Smart series, as this model is primarily a DC-DC converter with adjustable output for basic charging. Ensure you have appropriate cable sizing and fuse protection for both the input and output circuits. All specifications are based on verified manufacturer data. Please confirm compatibility and requirements with your system prior to purchase. Product images are for illustrative purposes only.
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