Victron Energy Orion-Tr Series Victron Orion-Tr DC-DC Converter Non-Isolated 24/12-20A (240W) 24V to Fixed 12.5V | 20A Continuous | High Efficiency The Victron Orion-Tr DC-DC Converter Non-Isolated 24/12-20A (240W) is a robust and highly efficient solution designed to provide a stable 12.5V DC output from a 24V DC input. Ideal for a wide array of UK applications, including automotive, marine, and off-grid systems, this converter ensures reliable power delivery for your 12V equipment in a 24V environment. As part of the trusted Victron Energy range, available at Solarika, it is engineered for performance and durability in demanding conditions. This non-isolated model (SKU: ORI241220200) offers a straightforward and efficient way to step down voltage where a common ground between input and output is acceptable, providing a continuous 20A (240W) of power. System Integration: Efficiently steps down 24V DC to a stable, fixed 12.5V DC for various 12V applications in 24V systems. Key Features ▶ Fixed 12.5V Output — Delivers a consistent and stable 12.5V DC for sensitive 12V equipment. ▶ High Efficiency — Utilises synchronous rectification for over 95% full load efficiency, minimising energy loss and heat. ▶ Remote On-Off Control — Allows for convenient system control via a low-power switch or engine run/stop switch. ▶ Parallel Capability — Connect an unlimited number of units in parallel to increase total output current for higher power demands. ▶ IP43 Protection — Offers protection against solid objects and water spray when installed with screw terminals downwards. ▶ Screw Terminals — Ensures straightforward and secure installation without the need for specialised tools. Technical Specifications Parameter Value Model Orion-Tr 24/12-20 (240W) Non-Isolated SKU / MPN ORI241220200 Input Voltage Range 18 - 35V DC Nominal Input Voltage 24V DC Output Voltage Fixed 12.5V DC Continuous Output Current 20A Rated Power 240W Efficiency >95% (up to 97%) Galvanic Isolation No (Non-Isolated) IP Protection Rating IP43 (when installed screw terminals downwards) Operating Temperature Range -20 to +55°C (derate 3% per °C above 40°C) Dimensions (H x W x D) 73 x 94 x 45 mm Certifications ECE R10-6, EN 60950, EN 61000-6-3, EN 55014-1, EN 61000-6-2, EN 61000-6-1, EN 55014-2 Operating & Power Guidance The Victron Orion-Tr 24/12-20A converter is engineered for reliable power conversion in systems where a 24V DC source needs to power 12V DC loads. Its non-isolated design means the input and output share a common ground, which is typical and efficient for most vehicle and marine applications where a common chassis ground exists. With a fixed 12.5V output, this unit provides a consistent voltage, suitable for powering a wide range of 12V electronics and accessories. The high efficiency of over 95% ensures minimal power waste, contributing to cooler operation and extended lifespan. Typical Applications Application Description Automotive Powering 12V accessories, radios, lighting, or navigation systems in 24V trucks, buses, or commercial vehicles. Marine Supplying stable 12V power for electronics, communication equipment, or cabin lighting on 24V boats and yachts. Off-Grid Systems Providing 12V power for specific loads in off-grid setups that primarily operate on a 24V battery bank. Industrial Delivering regulated 12V power for control systems, sensors, or other low-voltage devices in 24V industrial environments. Built-In Protection Functions The Victron Orion-Tr DC-DC converter incorporates essential protection features to ensure safe and reliable operation. These include short-circuit protection on the output and a design that reduces output current at high ambient temperatures to prevent overheating. The unit also features an internal input fuse for 24V input models, providing an additional layer of safety. Common Questions Is this converter suitable for charging a 12V leisure battery? Yes, this converter can be used to supply power to a 12V battery in a 24V system. However, it provides a fixed 12.5V output, which is a constant voltage. For advanced multi-stage charging with specific battery profiles, consider Victron's dedicated Smart DC-DC chargers. Can I connect multiple Orion-Tr converters in parallel? Absolutely. An unlimited number of these units can be connected in parallel to increase the total output current, providing scalability for higher power demands. What does "non-isolated" mean for this converter? A non-isolated converter shares a common ground between its input and output circuits. This design is typically more efficient and compact, making it suitable for most applications where the input and output batteries or systems share a common negative connection, such as a vehicle chassis. Does this model have Bluetooth connectivity? No, this specific Orion-Tr model is a standard DC-DC converter and does not feature Bluetooth connectivity. Bluetooth is typically found in the 'Orion-Tr Smart' series from Victron Energy. Installation Notes Ensure correct polarity when connecting input and output wiring to prevent damage. Install the converter in a cool, dry, and well-ventilated area to optimise performance and prevent overheating. For the stated IP43 protection, ensure the screw terminals are oriented downwards during installation. Refer to the official Victron Energy manual for detailed installation instructions, wiring diagrams, and safety guidelines. Before You Buy Verify that your input voltage is a nominal 24V DC and falls within the 18-35V DC range. Confirm that your 12V equipment requires a fixed 12.5V DC supply and that a non-isolated ground is suitable for your system. Calculate the total current draw of your 12V loads to ensure it does not exceed the converter's 20A continuous output. Consider the operating environment and ensure adequate ventilation for the converter. All specifications are based on verified manufacturer data. Always consult the official Victron Energy datasheets for the most current and detailed information before purchase and installation.
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