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Victron Orion‑Tr 12/12‑18A (220W) Isolated DC‑DC Converter

A robust, galvanically isolated 12 V DC-DC converter delivering stable 12.2 V (adjustable 10 – 15 V) at up to 18 A continuous (25 A peak). Perfect for powering auxiliary systems in vehicles, boats or off-grid installations. Remote on/off and screw-terminal connections make installation safe and simple.

Reliable 12 V power output – Up to 220 W continuous power and 25 A surge capacity to keep 12 V systems and accessories running smoothly. Galvanic isolation for safety – 200 V DC separation between input, output and casing protects sensitive electronics and prevents ground-loop issues. Adjustable output voltage – Output can be set between 10 V and 15 V for compatibility with a wide range of 12 V devices and accessories. Straightforward installation – Screw-terminal connections for cables up to 16 mm² and a remote on/off terminal simplify installation without bulky switches. Durable and climate-ready – Functions reliably in temperatures from –20 °C to +55 °C and tolerates high humidity, making it suitable for vehicles, boats and off-grid environments. Dimensions: 130 x 186 x 70 mm Weight: 1.3kg
£132.00
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SKU: ORI121222110
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Product Details

The Victron Orion-Tr 12/12-18A (220 W) Isolated DC-DC Converter delivers dependable 12 V power for caravans, motorhomes, boats or mobile systems. It accepts an input voltage from 8 V up to 17 V and provides a regulated 12.2 V output (adjustable between 10 V and 15 V), making it ideal for powering auxiliary systems such as lights, small fridges, cameras or other 12 V accessories.

With a continuous output current of up to 18 A (and up to 25 A for short bursts), the unit provides up to 220 W of output power at 40 °C, and up to 280 W under cooler conditions. The converter features galvanic isolation, which keeps input, output and casing electrically separated. This isolation provides 200 V DC separation for enhanced safety and protection of your system.

Installation is simple thanks to screw-terminal connections that support cable cross-sections up to 16 mm². A remote on/off terminal allows control via a low-current switch, for example triggered by your vehicle ignition or engine run/stop switch. This means you do not need a bulky high-current switch in the input wiring.

The unit is built to cope with real-world conditions. It operates across a temperature range from –20 °C to +55 °C (with output derating as needed) and is rated to resist up to 95 per cent non-condensing humidity.

Because this is a DC-DC converter rather than a battery charger, it is especially suitable when you want to power 12 V loads directly from a vehicle’s alternator or battery system. It is ideal for running appliances in a van or boat, or powering auxiliary batteries to support accessories.

Shipping & Collection

Tracked Delivery (Currently 1-3 business days):

  • Free over £150.
  • £5.99 for orders under £150.
  • £5.99 for orders under £50.

Next Business Day Delivery:

  • £15 Flat Rate.

Collection:

  • Free to collect from our warehouse.

Pre-Order:

  • 5-10 Business Days delivery unless otherwise stated.

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