Description
Victron Orion-TR 24/12-20A Isolated DC-DC Converter converts 24 VDC input to a clean, regulated 12 VDC output with galvanic isolation, delivering up to 20 A continuously (240 W) for dependable power in demanding environments.
The Orion-TR is designed for flexible, rugged DC power conversion with a remote on/off terminal that eliminates the need for a high-current switch in the input wiring. The remote on/off can be operated by a low-power switch or your engine run/stop system for seamless control.
Key benefits
- Isolated DC-DC conversion — 24 V input to a stable 12 V output with full galvanic isolation (200 VDC between input, output, and case) for system protection and safety.
- Remote On/Off — External control enables convenient power management without high-current wiring.
- Paralleling capability — Unlimited units can be connected in parallel to increase output current as your load grows.
- Rugged protection — High-temperature protection reduces output when ambient temperature rises to keep the unit safe and reliable; IP43 protection when terminals are oriented downward.
- Durable construction — Screw terminals for easy installation without special tools; input fuse (non-replaceable on 12 V/24 V models) adds an extra layer of protection.
- Wide input range — 16–35 V input with undervoltage shutdown at 14 V and restart at 15 V for robust automotive/industrial use.
- Precise output — Nominal 12.2 V output with an adjustable range of 10–15 V and tight tolerance ±0.2 V; low output noise at 2 mV rms.
- Efficient efficiency — Up to 88% efficiency to minimize heat and maximize battery life.
- Not for charging alone — Not intended for battery charging; consider the Orion-Tr Smart for charging applications.
Technical specifications at a glance
- Input voltage range: 16–35 V
- Under voltage shutdown: 14 V; restart: 15 V
- Nominal output voltage: 12.2 V; adjustable range: 10–15 V
- Output voltage tolerance: ±0.2 V; output noise: 2 mV rms
- Continuous output current: 20 A; maximum output current (10 s): 25 A
- Short-circuit output current: 50 A
- Continuous power at 25 °C: 300 W; at 40 °C: 240 W
- Efficiency: up to 88%
- No-load input current: < 100 mA
- Remote off current consumption: < 200 µA when disabled via remote
- Isolation: 200 VDC (input-output-case)
- Operating temperature: -20 to +55 °C (derate 3% per °C above 40 °C)
- Humidity: Up to 95% non-condensing
- DC connection: Screw terminals; max cable cross-section 16 mm² (AWG 6)
- Weight: 1.3 kg (3 lb); Dimensions: 130 x 186 x 70 mm (H x W x D)
- Safety: EN 60950; Immunity: EN 61000-6-2, EN 61000-6-1, EN 55014-2
- Automotive directive: ECE R10-5
Ideal applications
Perfect for marine electrical systems, recreational vehicles, solar-powered setups, and off-grid installations where a reliable 12 V supply is required from a 24 V source. The Orion-TR’s isolation, control flexibility, and paralleled scalability make it a smart choice for complex power architectures.
Dimensions and rugged design ensure straightforward installation in equipment racks, engine compartments, or control panels, while the compact form factor helps preserve space in confined installations.
Compatibility note: For battery charging scenarios, consider the dedicated Orion-Tr Smart units designed for charging functionality.
Manufacturer: Victron Energy | Part No: ORI241224110 | UPC: 8719076035251
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