Victron Energy ORI484828110 280W 48/48-6A Orion-Tr Isolated DC-DC Converter
Victron Energy Orion-Tr 48/48-6A 280W Isolated DC-DC Converter
Isolated 48V-to-48V power transfer purpose-built for complex multi-bank and mixed-system architectures
The Victron Energy Orion-Tr 48/48-6A (ORI484828110) is a professional-grade isolated DC-DC converter designed to transfer power between two separate 48V systems while maintaining full galvanic isolation between them. As part of Victron's globally trusted Orion-Tr range, it's engineered to the same worldwide standard relied upon across marine, off-grid solar, commercial vehicle, and industrial applications.
Where most 48V systems share a common bus, this unit solves the harder problem: feeding an isolated secondary 48V bank or load from a primary 48V source without introducing ground loops, noise, or cross-contamination between circuits. Rated at 280W continuous at 40°C and 320W at 25°C, it handles the heat and sustained loads that Australian off-grid and commercial installations routinely demand. With an adjustable output range of 40–60V, it can also serve as a precision battery charger for a second 48V bank within an otherwise independent system.
Key Specifications
- Input voltage range: 32–70V DC
- Nominal output voltage: 48.2V (adjustable 40–60V)
- Continuous output current: 6A at 25°C
- Maximum output current (10s burst): 8A
- Short circuit output current: 25A
- Continuous output power at 40°C: 280W
- Continuous output power at 25°C: 320W
- Efficiency: 89%
- Galvanic isolation: 200V DC between input, output, and case
- Output voltage tolerance: ±0.2V
- Output noise: 2mV rms
- Off-load current draw: less than 80mA
- Operating temperature: −20°C to +55°C (derate 3% per °C above 40°C)
- IP43 protection rating (terminals oriented downwards)
- DC connection: Screw terminals, max cable cross-section 16mm² (AWG6)
Features & Benefits
- Remote on/off input: Avoid routing heavy input cabling through a high-current switch. The remote on/off accepts a low-power signal a simple toggle switch or an engine run/stop output giving you clean, safe control from the cabin, switchboard, or BMS without adding switch gear to high-current wiring runs.
- Adjustable output voltage (40–60V): Dial in the exact charge or supply voltage your secondary system needs. Ideal for topping up a second 48V LiFePO4 or lead-acid battery bank at the correct absorption or float voltage without a separate dedicated charger.
- Doubles as a 48V battery charger: In systems with two independent 48V banks (e.g., a drive battery and a house/hotel battery), the Orion-Tr transfers energy from the primary bank to charge the secondary simplifying system architecture and reducing component count.
- 200V DC galvanic isolation: Full electrical separation between input, output, and chassis eliminates ground loops, suppresses conducted noise, and protects sensitive loads. Critical in marine installations, solar off-grid systems, and commercial vehicles where shared grounds cause ongoing fault and interference issues.
- Unlimited parallel operation: Scale output current to match your load. Connect as many ORI484828110 units as your system requires in parallel no current-sharing modules or complex balancing needed. Each unit contributes its full rated output.
- Short circuit proof output: A fault on the output side won't destroy the unit. It recovers automatically once the short is cleared reducing downtime and replacement costs in remote and field installations.
- Thermal derating not shutdown: When ambient temperature exceeds 40°C, the Orion-Tr gradually reduces output current rather than cutting off abruptly. In Australian summers, hot engine bays, or enclosed battery enclosures, that means continuous if reduced operation rather than a hard fault.
- IP43 rated enclosure: Dust and splash protection when installed with terminals downward. Suitable for under-bonnet, marine bilge-adjacent, and outdoor enclosure installations where exposure to moisture and dust is unavoidable.
- Screw terminals no special tools: Accepts up to 16mm² (AWG6) cable on standard screw terminals. Larger cable capacity than lower-current Orion-Tr models, matching the heavier wiring typical of 48V high-power installations. Fast, reliable, field-serviceable connections.
- No input fuse (48V input model): As with all Orion-Tr 48V input variants, there is no internal replaceable input fuse. An appropriately rated external fuse or circuit breaker must be installed per Victron's installation guidelines ensure this is included in your system design.
Technical Specs
| Specification | Detail |
|---|---|
| SKU | ORI484828110 |
| Brand | Victron Energy |
| Model | Orion-Tr 48/48-6A |
| Input Voltage Range | 32–70V DC |
| Under Voltage Shutdown | 28V |
| Under Voltage Restart | 30V |
| Nominal Output Voltage | 48.2V |
| Output Voltage Adjust Range | 40–60V |
| Output Voltage Tolerance | ±0.2V |
| Output Noise | 2mV rms |
| Continuous Output Current (25°C) | 6A |
| Maximum Output Current (10s) | 8A |
| Short Circuit Output Current | 25A |
| Continuous Output Power (25°C) | 320W |
| Continuous Output Power (40°C) | 280W |
| Efficiency | 89% |
| Off-Load Current Draw | <80mA |
| Galvanic Isolation | 200V DC (input, output & case) |
| Operating Temperature Range | −20°C to +55°C |
| Thermal Derating | 3% per °C above 40°C |
| Humidity | Max 95% non-condensing |
| DC Connection | Screw terminals |
| Maximum Cable Cross-Section | 16mm² / AWG6 |
| IP Rating | IP43 (terminals down) |
| Input Fuse | External fuse required (no internal fuse on 48V model) |
Compatible With
- Dual independent 48V battery banks (LiFePO4 or lead-acid) requiring isolated inter-bank charging
- 48V off-grid solar storage systems with a secondary isolated 48V load or battery circuit
- 48V marine DC systems with separate 48V hotel and propulsion banks requiring isolation
- Commercial and industrial vehicles with 48V dual-bus architectures
- Victron SmartSolar MPPT charge controllers operating on 48V systems
- Victron BMV battery monitors and Cerbo GX / Venus GX devices (system-level monitoring)
- Parallel arrays of additional ORI484828110 units (unlimited parallel operation supported)
- Victron Lynx distribution busbars and fusing systems (for clean, fused 48V integration)
Frequently Asked Questions
Why would I need a 48V-to-48V isolated converter instead of just connecting two 48V banks together?
Connecting two banks directly shares their grounds, which can introduce ground loops, noise, and uncontrolled cross-charging. The Orion-Tr provides 200V DC galvanic isolation, keeping the circuits fully separate while still transferring energy between them.
Can I use this unit to charge a second 48V battery bank?
Yes. The adjustable output range of 40–60V allows you to set the correct absorption or float voltage for your secondary 48V battery chemistry LiFePO4, AGM, or gel making it a fully functional isolated battery-to-battery charger.
How do I increase the output current beyond 6A?
Connect additional ORI484828110 units in parallel. Victron supports unlimited parallel operation with no current-sharing hardware required each unit contributes its rated 6A, so two units deliver 12A, three deliver 18A, and so on.
Does the remote on/off work with a BMS or battery management system?
Yes. The remote on/off accepts a low-power signal, making it compatible with BMS charge-enable or load-enable outputs. Check your BMS output voltage and current rating against the Orion-Tr remote on/off specifications in the installation manual before wiring.
Is an external fuse required on the input side?
Yes. The 48V input model (ORI484828110) does not include an internal replaceable input fuse. An appropriately rated external fuse or circuit breaker must be installed on the input wiring as per Victron Energy's installation guidelines.
Original: $151.09
-65%$151.09
$52.88Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Victron Energy Orion-Tr 48/48-6A 280W Isolated DC-DC Converter
Isolated 48V-to-48V power transfer purpose-built for complex multi-bank and mixed-system architectures
The Victron Energy Orion-Tr 48/48-6A (ORI484828110) is a professional-grade isolated DC-DC converter designed to transfer power between two separate 48V systems while maintaining full galvanic isolation between them. As part of Victron's globally trusted Orion-Tr range, it's engineered to the same worldwide standard relied upon across marine, off-grid solar, commercial vehicle, and industrial applications.
Where most 48V systems share a common bus, this unit solves the harder problem: feeding an isolated secondary 48V bank or load from a primary 48V source without introducing ground loops, noise, or cross-contamination between circuits. Rated at 280W continuous at 40°C and 320W at 25°C, it handles the heat and sustained loads that Australian off-grid and commercial installations routinely demand. With an adjustable output range of 40–60V, it can also serve as a precision battery charger for a second 48V bank within an otherwise independent system.
Key Specifications
- Input voltage range: 32–70V DC
- Nominal output voltage: 48.2V (adjustable 40–60V)
- Continuous output current: 6A at 25°C
- Maximum output current (10s burst): 8A
- Short circuit output current: 25A
- Continuous output power at 40°C: 280W
- Continuous output power at 25°C: 320W
- Efficiency: 89%
- Galvanic isolation: 200V DC between input, output, and case
- Output voltage tolerance: ±0.2V
- Output noise: 2mV rms
- Off-load current draw: less than 80mA
- Operating temperature: −20°C to +55°C (derate 3% per °C above 40°C)
- IP43 protection rating (terminals oriented downwards)
- DC connection: Screw terminals, max cable cross-section 16mm² (AWG6)
Features & Benefits
- Remote on/off input: Avoid routing heavy input cabling through a high-current switch. The remote on/off accepts a low-power signal a simple toggle switch or an engine run/stop output giving you clean, safe control from the cabin, switchboard, or BMS without adding switch gear to high-current wiring runs.
- Adjustable output voltage (40–60V): Dial in the exact charge or supply voltage your secondary system needs. Ideal for topping up a second 48V LiFePO4 or lead-acid battery bank at the correct absorption or float voltage without a separate dedicated charger.
- Doubles as a 48V battery charger: In systems with two independent 48V banks (e.g., a drive battery and a house/hotel battery), the Orion-Tr transfers energy from the primary bank to charge the secondary simplifying system architecture and reducing component count.
- 200V DC galvanic isolation: Full electrical separation between input, output, and chassis eliminates ground loops, suppresses conducted noise, and protects sensitive loads. Critical in marine installations, solar off-grid systems, and commercial vehicles where shared grounds cause ongoing fault and interference issues.
- Unlimited parallel operation: Scale output current to match your load. Connect as many ORI484828110 units as your system requires in parallel no current-sharing modules or complex balancing needed. Each unit contributes its full rated output.
- Short circuit proof output: A fault on the output side won't destroy the unit. It recovers automatically once the short is cleared reducing downtime and replacement costs in remote and field installations.
- Thermal derating not shutdown: When ambient temperature exceeds 40°C, the Orion-Tr gradually reduces output current rather than cutting off abruptly. In Australian summers, hot engine bays, or enclosed battery enclosures, that means continuous if reduced operation rather than a hard fault.
- IP43 rated enclosure: Dust and splash protection when installed with terminals downward. Suitable for under-bonnet, marine bilge-adjacent, and outdoor enclosure installations where exposure to moisture and dust is unavoidable.
- Screw terminals no special tools: Accepts up to 16mm² (AWG6) cable on standard screw terminals. Larger cable capacity than lower-current Orion-Tr models, matching the heavier wiring typical of 48V high-power installations. Fast, reliable, field-serviceable connections.
- No input fuse (48V input model): As with all Orion-Tr 48V input variants, there is no internal replaceable input fuse. An appropriately rated external fuse or circuit breaker must be installed per Victron's installation guidelines ensure this is included in your system design.
Technical Specs
| Specification | Detail |
|---|---|
| SKU | ORI484828110 |
| Brand | Victron Energy |
| Model | Orion-Tr 48/48-6A |
| Input Voltage Range | 32–70V DC |
| Under Voltage Shutdown | 28V |
| Under Voltage Restart | 30V |
| Nominal Output Voltage | 48.2V |
| Output Voltage Adjust Range | 40–60V |
| Output Voltage Tolerance | ±0.2V |
| Output Noise | 2mV rms |
| Continuous Output Current (25°C) | 6A |
| Maximum Output Current (10s) | 8A |
| Short Circuit Output Current | 25A |
| Continuous Output Power (25°C) | 320W |
| Continuous Output Power (40°C) | 280W |
| Efficiency | 89% |
| Off-Load Current Draw | <80mA |
| Galvanic Isolation | 200V DC (input, output & case) |
| Operating Temperature Range | −20°C to +55°C |
| Thermal Derating | 3% per °C above 40°C |
| Humidity | Max 95% non-condensing |
| DC Connection | Screw terminals |
| Maximum Cable Cross-Section | 16mm² / AWG6 |
| IP Rating | IP43 (terminals down) |
| Input Fuse | External fuse required (no internal fuse on 48V model) |
Compatible With
- Dual independent 48V battery banks (LiFePO4 or lead-acid) requiring isolated inter-bank charging
- 48V off-grid solar storage systems with a secondary isolated 48V load or battery circuit
- 48V marine DC systems with separate 48V hotel and propulsion banks requiring isolation
- Commercial and industrial vehicles with 48V dual-bus architectures
- Victron SmartSolar MPPT charge controllers operating on 48V systems
- Victron BMV battery monitors and Cerbo GX / Venus GX devices (system-level monitoring)
- Parallel arrays of additional ORI484828110 units (unlimited parallel operation supported)
- Victron Lynx distribution busbars and fusing systems (for clean, fused 48V integration)
Frequently Asked Questions
Why would I need a 48V-to-48V isolated converter instead of just connecting two 48V banks together?
Connecting two banks directly shares their grounds, which can introduce ground loops, noise, and uncontrolled cross-charging. The Orion-Tr provides 200V DC galvanic isolation, keeping the circuits fully separate while still transferring energy between them.
Can I use this unit to charge a second 48V battery bank?
Yes. The adjustable output range of 40–60V allows you to set the correct absorption or float voltage for your secondary 48V battery chemistry LiFePO4, AGM, or gel making it a fully functional isolated battery-to-battery charger.
How do I increase the output current beyond 6A?
Connect additional ORI484828110 units in parallel. Victron supports unlimited parallel operation with no current-sharing hardware required each unit contributes its rated 6A, so two units deliver 12A, three deliver 18A, and so on.
Does the remote on/off work with a BMS or battery management system?
Yes. The remote on/off accepts a low-power signal, making it compatible with BMS charge-enable or load-enable outputs. Check your BMS output voltage and current rating against the Orion-Tr remote on/off specifications in the installation manual before wiring.
Is an external fuse required on the input side?
Yes. The 48V input model (ORI484828110) does not include an internal replaceable input fuse. An appropriately rated external fuse or circuit breaker must be installed on the input wiring as per Victron Energy's installation guidelines.
