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Victron 48V to 12V Orion-Tr 48/12-30A Isolated DC-DC Charger

48V to 12V isolated DC-DC charging with Bluetooth programming and 30A output


Regular price $342.80
$460.90
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Top view of Victron Orion-Tr Smart 48V to 12V 30A isolated DC-DC charger showing labels and terminals

Victron 48V to 12V Orion-Tr 48/12-30A Isolated DC-DC Charger

DESCRIPTION

Victron 48V to 12V Orion-Tr 48/12-30A Isolated DC-DC Charger: Isolated DC-DC Charger for Reliable Voltage Conversion

The Victron 48V to 12V Orion-Tr 48/12-30A Isolated DC-DC Charger is a high-performance isolated DC-DC charger engineered to provide stable, efficient power conversion between 48V and 12V battery systems. Designed for demanding applications in vehicles, marine vessels, and off-grid installations, this charger ensures your auxiliary batteries receive a precise, multi-stage charge regardless of input voltage fluctuations. With galvanic isolation between input, output, and case, it protects sensitive electronics and eliminates ground loop issues, making it a safe choice for complex electrical systems.

Unlike generic DC-DC converters, the Orion-Tr Smart series uses a sophisticated three-stage charging algorithm (bulk, absorption, float) that adapts to battery condition, extending battery life and preventing overcharging. The fully programmable output voltage allows customisation for specific battery chemistries, including lithium, AGM, and gel. Integrated Bluetooth connectivity via the VictronConnect app provides real-time monitoring and configuration from your smartphone, eliminating the need for additional displays or wired connections.

Key Features

  • Galvanic isolation (200V DC) between input, output, and case for enhanced safety and noise immunity
  • Fully programmable three-stage charging algorithm with adaptive battery management
  • Bluetooth Smart for wireless setup, monitoring, and firmware updates via VictronConnect
  • Remote on/off terminal for integration with battery management systems or external switches
  • Wide input voltage range (32-70V) with under-voltage protection to prevent battery drain
  • Parallel operation supported for scalable current output in larger systems
  • Robust aluminium heat sink with passive cooling for reliable operation up to 55°C
  • IP43 protection when mounted with terminals facing downwards, suitable for engine bays and marine environments
  • Screw terminals accept up to 16mm² (AWG6) cable for low-resistance connections

Smart Charging for Modern Systems

Compatibility with smart alternators (Euro 5/6) ensures seamless integration in modern vehicles where variable voltage output can confuse traditional chargers. The charger detects engine running status via voltage sensing or a dedicated trigger wire, preventing accidental battery drain when the engine is off. A configurable input voltage lock-out allows precise control over charging initiation, ideal for systems with solar or shore power inputs.

Built for Harsh Environments

The Orion-Tr Smart is built to withstand the rigours of mobile and off-grid use. The sealed electronics and conformal-coated circuit board resist moisture, dust, and vibration. The extruded aluminium heat sink dissipates heat efficiently without fans, ensuring silent, maintenance-free operation. With an operating temperature range of -20°C to +55°C and derating above 40°C, it performs reliably in Australian conditions from the outback to the coast.

Flexible Installation and Control

Compact dimensions (130 x 186 x 80 mm) and multiple mounting options allow installation in tight spaces. The remote on/off port accepts a low-current switch or relay, enabling control from a dashboard or central management system without heavy-gauge wiring. For systems requiring higher current, multiple units can be paralleled with automatic load sharing, providing a scalable solution for larger battery banks.

Applications

This isolated DC-DC charger is ideal for charging auxiliary batteries in caravans, motorhomes, 4WDs, boats, and off-grid cabins. It efficiently steps voltage down from 48V to 12V to match your battery bank, whether you need to charge a 12V house battery from a 48V electric vehicle system or maintain a 12V battery from a 48V alternator. The galvanic isolation makes it particularly suitable for marine installations where corrosion and stray currents are a concern.

Whether you're upgrading an existing dual-battery setup or building a new off-grid power system, the Victron 48V to 12V Orion-Tr 48/12-30A Isolated DC-DC Charger delivers precise, reliable charging with the intelligence to protect your investment. Configure it once via the app, and it will automatically manage your battery charging for years to come.

Ready to optimise your DC-DC charging? Install the Victron 48V to 12V Orion-Tr 48/12-30A Isolated DC-DC Charger and experience the difference that smart, isolated conversion makes in your mobile or off-grid power system.

SPECIFICATIONS

Specifications

Model 48/12-30 (400W) Orion-Tr Smart DC-DC Charger Isolated
Input voltage range (1) 32-70V
Under voltage shut down 28V
Under voltage restart 30V
Nominal output voltage 12.2V
Output voltage adjust range 10-15V
Output voltage tolerance +/- 0.2V
Output noise 2mV rms
Cont. output current at nominal output voltage and 40°C 30A
Maximum output current (10 s) at nominal output voltage minus 20% 40A
Short circuit output current 60A
Cont. output power at 25°C 430W
Cont. output power at 40°C 360W
Efficiency 87%
Off load current <80mA
Galvanic isolation 200V dc between input, output and case
Operating temperature range -20 to +55°C (derate 3% per °C above 40°C)
Humidity Max. 95% non-condensing
DC connection Screw terminals
Maximum cable cross-section 16 mm² (AWG6)
Weight 1.8 kg (3 lb)
Dimensions hxwxd 130 x 186 x 80 mm (5.1 x 7.3 x 3.2 inch)
Standards: Safety, Emission, Immunity, Automotive Directive EN 60950, EN 61000-6-3, EN 55014-1, EN 61000-6-2, EN 61000-6-1, EN 55014-2, ECE R10-5
  1. If set to nominal or lower than nominal, the output voltage will remain stable within the specified input voltage range (buck-boost function). If the output voltage is set higher than the nominal by a certain percentage, the minimum input voltage at which the output voltage remains stable (does not decrease) increases by the same percentage.

Note 1) The VictronConnect App will not display current in or current out.

Note 2) The Orion-Tr Smart Charger is not equipped with a VE.Direct port.


SKU: Vic-ORI481238120
Barcode: 8719076065586
Model #: ORI481238120
MPN: ORI481238120

WARRANTY

Victron Energy Limited Warranty Policy

Direct Customers

Victron Energy provides the following warranty to any direct customer (OEM, distributor or dealer) in relation to any products that Victron Energy has directly sold to the direct customer. This warranty is not an end-user warranty between Victron Energy and an end-user, and end-users shall not have any rights or remedies under this limited warranty towards Victron Energy directly. The direct customer shall, in turn, ensure that the end-user is provided with a warranty identical to this warranty, subject to applicable local mandatory law.

End-Users

Victron Energy may also provide a warranty directly to end-users, in which case the below warranty conditions equally apply to such warranty. In that case, end-users shall claim their warranty at their place of purchase or through the original direct customer of Victron, which can be found through the support section on Victron’s website https://www.victronenergy.com/support. Hence, the direct customer shall on behalf of Victron Energy deal with any warranty claims made under any warranty that Victron Energy may provide directly to end-users. This support section on Victron’s website https://www.victronenergy.com/support will provide further guidance on the procedure for end-users to make a claim under this limited warranty.

If the end-user is a consumer – a natural person who is acting for purposes which are outside that person's trade, business, craft or profession – the following applies. The rights and remedies granted to the consumer under this limited warranty are without prejudice to the consumer’s statutory rights. Furthermore, the consumer is entitled by law to remedies from the seller free of charge in the event of a lack of conformity of the goods (such as repair, replacement, price reduction or rescission), which remedies are not affected by this limited warranty.

Warranty

Victron Energy warrants its products to be free from defects in workmanship and materials for a period of 5 years from the date of purchase by the original end-user, with a maximum of 66 months from the Victron Energy invoice date. Exceptions on this are: lead-acid batteries: 2 years from date of purchase by the original end-user, with a maximum of 30 months from the Victron Energy invoice date, Lithium batteries: 3 years from date of purchase by the original end-user, with a maximum of 42 months from the Victron Energy invoice date. In addition to this, proof of correct battery usage is required when making a battery warranty claim.

For a 10% surcharge on the current net price for products that came with a 5-year warranty, an additional 5 years of warranty can be purchased by Victron’s direct customers, bringing the total warranty to 10 years. Warranty extensions need to be applied for ultimately one year before the expiration of the original term. Victron may ask proof that the product was still functional at the time of purchase of the extended warranty.

During the warranty period, Victron Energy will, at its discretion, repair, replace or (partly) credit the defective product free of charge. The warranty does not include performing or reimbursing de‐installation, transportation, and re‐installation.

This warranty will be considered void if the unit has suffered any physical damage or alteration, either internally or externally, and does not cover damages arising from improper use like:

  • Reversed battery polarity.
  • Inadequate connection.
  • Mechanical shock or deformation.
  • Contact with liquid or oxidation by condensation.
  • Use in an inappropriate environment (dust, corrosive vapour, humidity, high temperature, biological infestation, etc.).
  • Breakage or damage due to lightning.
  • Connection terminals and screws destroyed or other damages, like overheating, due to insufficient tightening.
  • For any electronic breakage except due to lightning (reverse polarity, over‐voltage due to external cause), the state of the internal control diode and/or the input/output X and Y capacitors determine the warranty.

This warranty will not apply where the product has been misused, neglected, improperly installed, or repaired by anyone other than Victron Energy or one of its authorized Repair Centres. In order to qualify for the warranty, the product must not be disassembled or modified.

This warranty and our warranty obligations thereunder (repair, replacement or credit) are the direct customer’s and, if applicable, the end-user’s sole rights and remedies and our sole obligations with respect to any defective and/or non-conforming product or breach of warranty and is subject to and without prejudice to the limitations of liability in this warranty.

Victron Energy shall not be liable for damages, whether direct, incidental, special, or consequential, even caused by negligence or fault.

As a product requires service, it must be brought back to the place of purchase. In case no contact can be made with the merchant, or if he is either unable or not allowed to provide service, direct contact should be made with Victron Energy through the support section on Victron’s website.

In case Victron Energy replaces a product, it will own the replaced product. Victron Energy owns all parts removed from repaired products. Victron Energy uses new or reconditioned parts made by various manufacturers when performing warranty repairs or building replacement products.

If Victron Energy repairs or replaces a part of a product, its warranty term is not extended: the warranty will apply for the remaining term of the original warranty term. For example, if Victron Energy replaces a product with a 5-year warranty after 3 years, the warranty of this product will apply for another 2 years, with a minimum of 6 months.

All remedies and the measure for damages are limited to the above. Victron Energy shall in no event be liable for consequential, incidental, contingent or special damages, even if having been advised of the probability of such damages.

The foregoing limited warranty provided by Victron Energy is in lieu of any other warranties, express or implied arising by law, course of dealing, course of performance, usage of trade or otherwise, of any kind whatsoever including, without limitation, warranties of merchantability or fitness for a particular purpose, with respect to any product. The above is without prejudice to the arrangement for consumers detailed above.

Life Support Policy

As a general policy, Victron Energy does not recommend the use of any of its products in life support applications where failure or malfunction of Victron Energy's product can be reasonably expected to cause the failure of the life support device or to significantly affect its safety or effectiveness. Victron Energy does not recommend the use of any of its products in direct patient care. Victron Energy will not knowingly sell its products for use in such applications unless it receives in writing assurances satisfactory to Victron Energy that the risks of injury or damage have been minimized, the customer assumes all such risks, and the liability of Victron Energy is adequately protected under the circumstances.

Warranty on repairs for products outside their warranty period

The warranty period on products that are outside their warranty period and have been repaired by Victron Energy or one of the Victron Energy Repair centres is six (6) months from delivery. The same applies to spare parts and circuit boards that have been supplied or repaired by Victron Energy.

Transport

It is the responsibility of the sender to sufficiently package these products. The transport must be organized in a way to avoid any damage, especially when a single unit or heavy unit is sent.

Severability

If a part of the terms and conditions of this warranty is held invalid, void or unenforceable due to any particular national or international legislation, it shall not affect other parts of the terms and conditions of this warranty.

Applicable law

This warranty is exclusively governed by the laws of the Netherlands, to the exclusion of the UN Convention on Contracts for the International Sale of Goods.

Contact details

Victron Energy B.V. | De Paal 35, 1351 JG Almere, The Netherlands | https://www.victronenergy.com/support

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