Charger
Victron Orion-Tr Smart 12/24-10 wiring diagram
Orion-Tr Smart 12/24-10 isolated charger: 8–17V input and 10A/240W output at nominal 24V and 40°C. Bluetooth configures charging and engine detection; input and output fuse recommendations differ by voltage.
- Rated output
- 10 A
Wiring diagram
How the Orion 12/24-10 is wired.
Open this example in Crimp to use your own parts and cable lengths. Review the assumptions and installation notes as you adapt the circuit.
Cable sizing for this example
Use the diagram as a starting point for your installation. Replace the example equipment and cable lengths with your own, and check the connections against your exact model's instructions.
3 m one way
24 V system
- Wire
- 1.5 mm² · 16 AWG
- Example fuse
- 15 A
- Design current
- 10 A
- Voltage drop
- 3.0%
Sized against ABYC E-11. The design current is the unit's rated output. The length is one way; voltage drop includes an equal-length return.
Run-length and manufacturer assumptions
The editable example uses 3.048 m (10 ft) runs unless a shorter run is stated. Metric overviews round these to 3 m. Adapt the parts and lengths to your installation before choosing cable and protection.
Supporting parts
- 6.1 m total of 1.5 mm² (16 AWG) marine cable
- Terminations for 1.5 mm² cable, matched to the equipment's screw terminals, leads or studs
- 15 A fuse and holder on the positive run
- Heat-shrink, strain relief and terminal boots sized to the cable
Check stud sizes, fuse type, run length and how warm the space gets against the gear you actually have before you order.
Installation notes
Before you install.
Open a question for model-specific guidance and sources.
Verified against the manufacturer's documentation (rev. Rev 14 — 02/2026), checked 2026-10-01. Manufacturer documentation →
Which Orion is covered?
The Orion-Tr Smart 12/24-10 isolated is a Bluetooth-configurable charger that steps a nominal 12 V source up to a 24 V battery. It is the 240 W Smart model shown in the photograph. The specification table, printed page 21 gives 8–17 V input and 10 A continuous output at nominal voltage and 40°C. Its 15 A ten-second figure is not continuous charging capacity.
How do the terminals and controls map?
IN + / IN − connect the starter supply; OUT + / OUT − connect the service battery. Input and output are galvanically isolated. If both negatives are joined through a vehicle chassis, the installation no longer preserves that isolation. The remote H/L connector and its factory jumper are omitted from the four-terminal symbol.
Use flexible stranded copper up to 16 mm² / AWG 6, prepared as described in the manual, and tighten power terminals to 1.6 N·m. The device has no reverse-battery-polarity protection: make connections at the Orion first, check polarity again, then connect the batteries.
Which fuses and cables apply?
The voltage-based protection table, printed page 5 specifies 60 A for a 12 V side and 30 A for a 24 V side. For this step-up arrangement that means the 12 V input and 24 V output use different table rows. At a 2 m cable length, the listed minimum cross-sections are 10 mm² input and 6 mm² output; longer routes need the corresponding table values and a voltage-drop check. These are the current family-manual recommendations, not an inference that this unit always draws 60 A.
What must be configured before charging?
Remove the remote jumper to keep the charger disabled while connecting. Supply the input, then use VictronConnect to select charger mode, battery-approved 24 V charge voltages, and the required absorption behavior. Connect the output battery only after verifying those settings, then enable the remote input.
Review engine-shutdown detection and input-voltage lockout against the actual alternator. A battery-voltage threshold alone can misread a smart alternator's low-voltage phases. Use the documented remote override or BMS control arrangement where required, and verify that charging stops when the engine or battery permission is removed.
Where should it be mounted?
Mount vertically, terminals downward, on a nonflammable surface with 100 mm above and below, near but never above the battery. Keep it dry and ventilated; output derates above 40°C. The battery BMS and its low-temperature charging restrictions remain necessary.
Fit check
Connect it to the rest of your system.
Describe your setup to draft a system with Orion-Tr Smart 12/24-10 connected. Review the selected parts and cable lengths, then edit the diagram in Crimp.
The model only picks parts and draws the connections. Every wire size and fuse rating still comes from Crimp's own sizing, never from the model.
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Technical reference
Specifications and terminal map.
Check the model, ratings and connection points against your own unit before choosing installation hardware.
Catalog specification
Orion-Tr Smart 12/24-10 isolated charger: 8–17V input and 10A/240W output at nominal 24V and 40°C. Bluetooth configures charging and engine detection; input and output fuse recommendations differ by voltage.
- Rated output
- 10 A
- Planning charge current
- 9 A
Terminal map
Catalog connection points, current direction and planning limits. Check the manufacturer's pinout and connector ratings before installation.
IN +
positive · input
IN −
negative · input
OUT +
positive · output
OUT −
negative · output
Sources and sizing method
Equipment specifications. Model details, ratings and terminal roles come from the catalog. Check your unit’s label and current manufacturer documentation for its exact revision.
Example sizing. Sized against ABYC E-11. Boats built to UK or EU rules answer to ISO 13297 — check these figures against it before you build. Results use the example current and run length shown above. Set your actual equipment, lengths and installation conditions in Crimp before choosing hardware.
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Plan your installation with Orion 12/24-10.
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