CrimpComponent folio · Charger · Victron
Orion-Tr Smart 48/24-12
Isolated 48→24 V step-down DC-DC charger, 12 A output. Common on hybrid sailboats that run a 48 V propulsion bank AND a 24 V house / autopilot / electronics bus (Raymarine high-power radar, Lewmar 24 V windlasses). Output goes to a 24 V battery or directly to the 24 V bus.
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Victron Orion-Tr Smart 48/24-12 · 4 terminals
01 — Reference run
A sizing result with its assumptions attached.
Conductor4 mm²11 AWG
Fuse15 Apositive run
Voltage drop2.6%3 m one way
Design current12 A12 V system
The Crimp engine applies its ordinary continuous-load headroom, voltage-drop budget, terminal clamp, and standard fuse ladder. The 3 m one-way run is a stated reference, not a universal installation prescription.
02 — Catalog specification
The part the engine actually sees.
- Rated output
- 12 A
- Typical charge current
- 11 A
- Canvas footprint
- 195 × 108 px
Terminal map
| Terminal | Polarity | Direction | Rating |
|---|---|---|---|
| IN + | positive | input | 8 A |
| IN − | negative | input | 8 A |
| OUT + | positive | output | 12 A |
| OUT − | negative | output | 12 A |
03 — Supporting parts
What belongs around it.
- 6 m total of 4 mm² (11 AWG) marine cable
- Four 4 mm² cable lugs matched to the equipment studs
- 15 A fuse and holder on the positive run
- Heat-shrink, strain relief, and terminal boots sized to the cable
See what it changes in your system
With JavaScript enabled, describe your existing boat, van, or off-grid system here. The model supplies topology; Crimp's engine computes the attachment, resized runs, checks, and supporting basket.