Victron Energy Orion-Tr 24/12-9A 110W | Isolated DC-DC Converter
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Description
The Victron Energy Orion-Tr 24/12-9A is a galvanically isolated DC-DC converter delivering 9A of continuous output current at 110W, with adjustable output voltage, remote on/off control, and unlimited parallel expandability for 24V-to-12V power conversion in vehicle, marine, and industrial applications.
Key Features:
- Galvanic Isolation — 200V DC isolation between input, output, and case fully separates the source and load circuits, preventing ground loop issues and protecting sensitive electronics in vehicles and vessels.
- Adjustable Output Voltage — Output is adjustable from 10–15V to precisely match load requirements; buck-boost function maintains stable output within the specified input voltage range when set to nominal or below.
- Remote On/Off Terminal — Eliminates the need for a high-current switch in the input wiring; operated via a low-power switch or engine run/stop switch for seamless integration into vehicle electrical systems.
- Unlimited Parallel Operation — Any number of units can be connected in parallel to scale output current to any requirement, with all models short-circuit proof and high-temperature protected via automatic output current reduction.
- IP43 Protection — Rated IP43 when installed with screw terminals oriented downward, with no special tools required for installation via screw terminals and an internal non-replaceable input fuse on 24V input models.
The Orion-Tr 24/12-9A accepts an input voltage range of 16–35V with under-voltage shutdown at 14V and restart at 15V, delivering a nominal 12.2V output with ±0.2V tolerance and 2mV RMS output noise. Continuous output power is 110W at 25°C and 85W at 40°C, with a peak output of 12.5A for 10 seconds and a short-circuit output current rating of 39A at 85% efficiency.
Current consumption drops to under 200µA when the unit is disabled via its remote port, minimizing parasitic drain in standby. The unit connects via screw terminals with a maximum cable cross-section of 6mm²/AWG10 and operates across a wide temperature range with automatic output derating above 40°C to protect against thermal damage without shutdown.
Technical Specifications
| Specification | Details |
|---|---|
| Model | Orion-Tr 24/12-9A Isolated |
| Input Voltage Range | 16–35V |
| Under Voltage Shutdown | 14V |
| Under Voltage Restart | 15V |
| Nominal Output Voltage | 12.2V |
| Output Voltage Adjust Range | 10–15V |
| Output Voltage Tolerance | ±0.2V |
| Output Noise | 2mV RMS |
| Continuous Output Current @ 25°C | 9A |
| Maximum Output Current (10s) | 12.5A |
| Short Circuit Output Current | 39A |
| Continuous Output Power @ 25°C | 110W |
| Continuous Output Power @ 40°C | 85W |
| Efficiency | 85% |
| No-Load Input Current | <40mA |
| Current Consumption (disabled) | <200µA |
| Galvanic Isolation | 200V DC (input, output, and case) |
| DC Connection | Screw terminals |
| Maximum Cable Cross-Section | 6mm² / AWG10 |
| Protection Category | IP43 (terminals oriented downward) |
| Operating Temperature | -20°C to +55°C (derate 3%/°C above 40°C) |
| Humidity | Max 95% non-condensing |
| Weight | 0.42 kg (1 lb) |
| Dimensions (H x W x D) | 100 x 113 x 47 mm |
| Safety | EN 60950 |
| Emission | EN 61000-6-3, EN 55014-1 |
| Immunity | EN 61000-6-2, EN 61000-6-1, EN 55014-2 |
| Automotive Directive | ECE R10-5 |
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