Orion-Tr 24/12-9A (110W) - Isolated DC-DC converter 24 V to 12 V
Orion-Tr 24/12-9A (110W) is a galvanically isolated DC-DC converter that powers 12 V loads from a 24 V source, with output voltage adjustable between 10 and 15 V. It is short-circuit proof, an unlimited number of units can be paralleled to increase output current, and the remote on/off input removes the need for a high-current switch.
Main features:
- Input voltage: 16-35 V
- Output voltage: 12.2 V, adjustable 10-15 V
- Output current: 9 A (110 W) at 25 °C
- Maximum efficiency: 85 %
- Galvanic isolation: 200 V DC between input, output and case
- Protection rating: IP43, with terminals facing down
Remote on/off
The remote on/off eliminates the need for a high current switch in the input wiring. The remote on/off can be operated with a low power switch or by for example the engine run/stop switch (see manual).
All models are short circuit proof and can be paralleled to increase output current. An unlimited number of units can be connected in parallel.
IP43 protection
When installed with the screw terminals oriented downwards.
Screw terminals
No special tools needed for installation.
Input fuse
On 12V and 24V input models only.
Technical specifications
| Input voltage range | 16 … 35 V |
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| Under-voltage shutdown | 14 V |
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| Under-voltage restart | 15 V |
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| Output voltage | 12.2 V |
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| Output voltage range | 10 … 15 V |
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| Output voltage tolerance | 200 mVrms |
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| Output voltage noise | 2 mVrms |
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| Continuous output current | 9 A |
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| Maximum short-circuit current | 39 A |
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| Continuous output power at 25 °C | 110 W |
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| Continuous output power at 40 °C | 85 W |
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| No-load current consumption | 40 mA |
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| Standby current consumption | 0.2 mA |
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| Maximum efficiency | 85 |
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| Can be connected in parallel | Yes |
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| Galvanic isolation | Yes |
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| Remote on/off terminal | Yes |
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| Protections | Short-circuit proof, Over temperature |
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| Isolation | 200 VDC |
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| Operating temperature range | -20 … 55 °C |
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| Maximum humidity | 95 % |
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| DC connection terminals | Screw terminals 6 mm² (10 AWG) |
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| Remote on/off terminal connection | Screw terminal two pole |
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| Colour | Blue (RAL 5012) |
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| Protection category | IP43 |
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| Weight | 0.42 kg |
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| Height | 100 mm |
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| Width | 113 mm |
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| Depth | 47 mm |
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| Safety | EN 60950 |
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| Emission | EN 55014-1, EN-IEC 61000-6-3 |
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| Immunity | EN 55014-2, EN-IEC 61000-6-1, EN-IEC 61000-6-2 |
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| Automotive directive | ECE R10-5 |
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