Description
Victron Orion-TR 24V-12V 20A Isolated DC-DC Converter | Boat Supply Store
This Victron Orion-TR converter efficiently steps down 24V DC to 12V DC, providing a stable 20A continuous output (240W at 40°C) ideal for powering sensitive 12V electronics on vessels equipped with a 24V battery bank. Its robust design boasts an 88% efficiency rating and IP43 protection when installed with terminals facing downwards, ensuring reliable operation in humid marine environments. With galvanic isolation up to 200 VDC and adjustable output voltage between 10-15V, it safeguards onboard systems from voltage fluctuations and ground loops, crucial for critical navigation and communication equipment on offshore fishing rigs.
Key Features
- Isolated 24 VDC to 12 VDC conversion for system protection
- 20A continuous output current (240W at 40°C)
- Remote On/Off terminal for low-current switching control
- Short circuit proof and parallelable for expanded output capacity
- High temperature protection with automatic output current derating
- IP43 rated when installed in the correct orientation
- Adjustable output voltage (10-15 V) for versatile application
- Galvanic isolation (200 VDC) prevents ground loop issues
Specifications
| Product Specifications | |
|---|---|
| Input voltage | 16-35V |
| Shutdown voltage | 14V |
| Restart voltage | 15V |
| Output voltage adjustable | 10-15V |
| Output voltage tolerance | +/- 0.2V |
| Continuous output current (40°C) | 20A |
| Max output current (10s) | 25A |
| Short circuit output current | 50A |
| Continuous output power (40°C) | 240W |
| Efficiency | 88% |
| Operating temperature | -20 to +55°C |
| Temperature derating | Derates above 40°C |
| Ingress Protection | IP43 |
| Terminal type | Screw terminals |
| Max terminal cross-section | 16mm² AWG6 |
| Dimensions (H x W x D) | 130 x 186 x 70 mm |
| Weight | 1.3 kg |
| Galvanic Isolation | 200 VDC |
| Input fuse | Not replaceable (12V/24V models) |
Who This Is For
Marine and RV enthusiasts, off-grid power system installers, and anyone needing to step down 24V DC to 12V DC in a reliable and isolated manner. This unit is particularly beneficial where noise reduction and system protection are critical for sensitive electronics.
How It Compares
| Feature | Victron Orion-TR 24V-12V 20A Isolated DC-DC Converter | Fixed 12V |
|---|---|---|
| Continuous Output Current (40°C) | 20A | 20A |
| Output Voltage Adjustability | Yes (10-15 V) | No |
| Isolation | Yes (200 VDC) | Yes |
| Smart Features (Bluetooth) | No | Yes |
| Primary Function | General DC-DC Conversion | General DC-DC Conversion with Smart Features |
Common Concerns Answered
Is this converter suitable for battery charging?
The Victron Orion-TR series is designed for efficient DC-DC power conversion, not direct battery charging. If your primary need is battery charging, consider dedicated battery chargers with specific charging profiles for your battery chemistry.
How does ambient temperature affect performance?
The output current of the Orion-TR 20A derates above 40°C to protect the unit from overheating. Ensure adequate ventilation in hot engine compartments or enclosures to maintain peak performance and longevity.
Is the price higher than other converters?
While the initial investment may be higher than non-isolated or lower-spec converters, the robust galvanic isolation, superior build quality, and proven reliability of Victron Energy products justify the cost for critical marine and mobile applications.
Frequently Asked Questions
What is the Victron Orion-TR 24/12-20A (240W) Isolated DC-DC Converter used for?
It's used to step down a 24V DC power source to a stable 12V DC output, providing 20A of continuous current for powering 12V devices on a 24V system, with the added benefit of galvanic isolation.
Can the Victron Orion-TR 24/12-20A be paralleled with other units?
Yes, the Victron Orion-TR 24/12-20A is designed to be paralleled with other Orion-TR units of the same voltage and current rating to increase the total output current.
What is the efficiency of the Victron Orion-TR 24/12-20A?
The Victron Orion-TR 24/12-20A has an efficiency rating of 88%, meaning a minimal amount of power is lost during the voltage conversion process.
What is the operating temperature range for the Victron Orion-TR 24/12-20A?
The operating temperature range for the Victron Orion-TR 24/12-20A is from -20°C to +55°C. Performance may derate above 40°C.
Does the Victron Orion-TR 24/12-20A have short circuit protection?
Yes, the Victron Orion-TR 24/12-20A is short circuit proof and can handle a short circuit output current of up to 50A.
