Orion 24V to 12V-70A Adjustable DC-DC Converter

⚡ ORION 24V TO 12V-70A DC-DC CONVERTER IP20

High-Current 24V to Adjustable 10–15V DC-DC Converter – 70A Continuous Output, 85A Maximum Output, Remote On/Off & 92% Efficiency

⚡ The Orion 24V to 12V-70A DC-DC Converter is a high-current voltage converter designed to provide substantial 12V-class power from a compatible nominal 24V DC electrical system.

Accepting an input voltage from 18V to 35V DC, the Orion provides an adjustable output from 10V to 15V, with a supplied factory-set value of 13.2V. It delivers an impressive 70A continuous output current with a maximum output-current rating of 85A.

With a supplied efficiency of 92%, temperature-controlled fan-assisted cooling, remote on/off control and M6 bolted DC connections, this converter is suited to demanding compatible truck, commercial vehicle, machinery, marine and industrial electrical applications.

The adjustable output also allows the unit to be used for compatible battery buffer-charging applications. The supplied product information specifically gives the example of charging a 12V starter or accessory battery in an otherwise 24V system.

For systems requiring even greater output capability, up to five compatible adjustable-output Orion converters can be connected in parallel.

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⚡ KEY FEATURES

🔌 High-Current 24V to 12V Conversion
Designed to operate substantial compatible 12V electrical loads from a nominal 24V DC system.

⚡ 70A Continuous Output
Provides up to 70A continuous output current for demanding compatible accessories and electrical equipment.

🚀 85A Maximum Output
Provides additional current capability with a supplied maximum output-current rating of 85A.

🎛️ Adjustable 10–15V Output
Output voltage can be adjusted using the onboard potentiometer to suit compatible equipment and approved battery-buffering applications.

🔋 Factory Set to 13.2V
The supplied technical specification lists a factory-set output of 13.2V.

📈 92% Efficiency
High conversion efficiency helps reduce wasted electrical energy and unnecessary heat.

🎛️ Remote On/Off Control
Allows low-power switching of the converter without installing a high-current switch directly into the main input wiring.

🔋 Battery Buffer-Charging Capability
The supplied information states that adjustable-output Orion models can be used to buffer-charge a compatible battery.

🔗 Up to 5 Units in Parallel
Compatible converters can be paralleled to increase total available output current.

🌬️ Temperature-Controlled Fan Cooling
Fan-assisted cooling helps manage converter temperature under demanding operating conditions.

⚡ Under-Voltage Protection
Supplied under-voltage shutdown is 14V with restart at 18V.

🔩 Heavy-Duty M6 Bolt Connections
Uses M6 bolted DC connections suited to the high-current nature of this converter.

📉 Low Off-Load Current
Supplied off-load current is less than 20mA.

🌡️ -20°C to +55°C Operating Range
Designed to operate across a broad range of ambient temperatures.

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🔌 HIGH-CURRENT 24V TO 12V POWER CONVERSION

The Orion is designed for systems where a nominal 24V DC supply needs to operate equipment requiring a lower 12V-class voltage.

Input voltage range:

18V–35V DC

Adjustable output range:

10V–15V DC

Factory-set output:

13.2V DC

This makes the converter suitable for compatible applications where a substantial 12V electrical supply is required from a 24V source.

⚠️ IMPORTANT: Because the output voltage is adjustable, verify the required operating voltage of connected equipment before connection.

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⚡ 70A CONTINUOUS OUTPUT

Continuous output current:

70A

Maximum output current:

85A

The 70A continuous-current rating provides significantly greater capacity than smaller DC-DC converters and can support substantial compatible 12V loads from a nominal 24V system.

⚠️ IMPORTANT: The 85A figure is supplied as the maximum output-current rating. Normal sustained system design should be based on the 70A continuous rating.

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🎛️ ADJUSTABLE 10–15V OUTPUT

The Orion includes an adjustable output controlled using a potentiometer.

Output-voltage adjustment range:

10V–15V DC

Supplied factory-set value:

13.2V DC

This allows the output to be configured for compatible equipment requiring a specific supply voltage within the available adjustment range.

⚠️ IMPORTANT: Confirm the output voltage with suitable test equipment before connecting sensitive electronics or a battery.

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📈 92% EFFICIENCY

Supplied efficiency:

92%

High conversion efficiency helps minimise energy lost while converting the nominal 24V input supply to the lower-voltage output.

At the high current levels this converter is capable of supplying, efficiency is particularly important for reducing unnecessary heat and demand on the source electrical system.

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🌬️ TEMPERATURE-CONTROLLED FAN COOLING

Fan-assisted cooling:

Yes – temperature controlled

The Orion uses temperature-controlled fan-assisted cooling to help manage operating temperature as electrical load and thermal conditions increase.

This is particularly relevant for a converter capable of supplying up to 70A continuously.

⚠️ IMPORTANT: Do not obstruct airflow around the converter. Provide suitable installation clearance and avoid mounting the unit adjacent to major external heat sources.

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🎛️ REMOTE ON/OFF CONTROL

The Orion includes a remote on/off connection.

This eliminates the need for a high-current switch directly in the main input wiring.

The remote on/off can be operated using a suitable low-power switch or, where appropriate, an engine run/stop signal.

This can simplify integration into vehicle and machinery electrical systems where the converter should operate only under selected conditions.

⚠️ IMPORTANT: Follow the applicable manufacturer instructions when integrating the remote on/off connection with an ignition, engine-run or other control circuit.

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🔋 BATTERY BUFFER-CHARGING CAPABILITY

The supplied product information states that Orion models with adjustable output can also be used as battery chargers for compatible buffer-charging applications.

An example specifically provided is charging a 12V starter or accessory battery in an otherwise 24V electrical system.

The adjustable 10V to 15V output allows the voltage to be configured to suit an approved battery application.

⚠️ IMPORTANT: Correct charging voltage depends on battery chemistry, battery manufacturer requirements and application. Confirm the required settings before connecting a battery.

⚠️ IMPORTANT: The supplied information describes buffer-charging capability. Do not automatically assume this converter provides the same charging stages, profiles or battery-management functions as a dedicated multi-stage DC-DC battery charger.

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🔋 12V AUXILIARY BATTERY FROM A 24V SYSTEM

One of the specifically supplied applications for adjustable Orion converters is charging a 12V starter or accessory battery from an otherwise 24V electrical system.

This can be useful in trucks, buses, machinery and other 24V installations where a separate 12V battery supply is required.

⚠️ IMPORTANT: Confirm that the battery is suitable for the selected output voltage and available charging current before installation.

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🔗 CONNECT UP TO FIVE UNITS IN PARALLEL

The supplied product information states that adjustable-output Orion converters can be connected in parallel to increase available output current.

Maximum number of parallel units:

Up to 5 compatible converters

This allows higher-current systems to be built where the output capability of a single 70A converter is insufficient.

⚠️ IMPORTANT: Parallel installations should follow the manufacturer's requirements. Correct output-voltage matching, cable sizing, circuit protection and load distribution are essential in high-current systems.

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⚡ UNDER-VOLTAGE SHUTDOWN & RESTART

Under-voltage shutdown:

14V

Under-voltage restart:

18V

The converter is designed to stop operating when the input supply falls to the supplied shutdown threshold and resume operation once sufficient voltage is restored.

The supplied normal input-voltage range is 18V to 35V.

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🔌 NON-ISOLATED DESIGN

Galvanic isolation:

No

The input and output circuits of this Orion converter are not galvanically isolated from one another.

This is an important consideration when selecting a converter for marine, communications, industrial or specialist electrical installations.

⚠️ IMPORTANT: If your electrical system requires galvanic separation between the 24V input and 12V output circuits, choose a suitable isolated DC-DC converter instead.

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🔩 HEAVY-DUTY M6 BOLT CONNECTIONS

DC connection:

M6 bolts

The bolted DC connection arrangement suits the high-current capability of this converter and allows appropriately selected cable lugs to be connected directly to the terminals.

⚠️ IMPORTANT: The supplied information specifies M6 connection bolts but does not state a required cable size. Cable must be selected according to actual current, cable length, allowable voltage drop, installation conditions and protection requirements.

⚠️ IMPORTANT: Use correctly sized and properly crimped cable lugs suitable for the cable and M6 connection points.

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🔋 LOW OFF-LOAD CURRENT

Supplied off-load current:

<20mA

This represents current consumed while the converter remains powered without supplying a significant connected load.

For battery-powered systems that may remain unused for extended periods, standby consumption should still be considered as part of the overall electrical-system design.

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🌡️ OPERATING TEMPERATURE RANGE

Operating temperature:

-20°C to +55°C

The converter is designed to operate across this supplied temperature range.

Temperature-controlled fan-assisted cooling helps manage internal temperature under load.

⚠️ IMPORTANT: Even with fan-assisted cooling, provide sufficient ventilation and avoid installation beside exhaust systems, engines, heaters or other major heat sources.

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🏠 IP20 – DRY, PROTECTED INSTALLATION

This Orion converter is identified as IP20.

It should therefore be installed in a dry, protected location and should not be treated as weatherproof or water-resistant.

⚠️ IMPORTANT: Do not expose an IP20 converter to rain, water spray, wash-down, condensation or other direct environmental exposure.

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🚚 IDEAL FOR HIGH-CURRENT 24V VEHICLE SYSTEMS

The Orion's 70A continuous output makes it particularly relevant to compatible trucks, buses, commercial vehicles and machinery using nominal 24V electrical systems but requiring substantial 12V power.

Potential compatible applications can include:

• 💡 High-current 12V lighting systems
• 📡 Communications equipment
• 🎛️ Control and instrumentation systems
• 🔌 Multiple 12V accessories
• 📱 Electronic equipment
• 🧰 Auxiliary electrical systems
• 🔋 Compatible 12V accessory battery buffer charging

⚠️ IMPORTANT: Calculate the combined current of all connected loads and ensure the total sustained requirement remains within the converter's 70A continuous-output rating.

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🚛 TRUCKS, BUSES & COMMERCIAL VEHICLES

Many heavy vehicles operate from nominal 24V electrical systems while aftermarket accessories and equipment may require 12V.

The Orion 24V to 12V-70A provides substantial output capacity for compatible installations where a small accessory converter would not provide enough current.

The remote on/off connection can also help integrate the converter with vehicle operating signals where required.

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🏗️ INDUSTRIAL & MACHINERY APPLICATIONS

The adjustable 10–15V output and 70A continuous-current capability can make the Orion suitable for compatible machinery, industrial equipment and control installations operating from nominal 24V DC systems.

Confirm the connected equipment's required voltage, current demand, environmental requirements and need for galvanic isolation before use.

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🚤 MARINE & MOBILE ELECTRICAL SYSTEMS

The Orion may suit compatible marine and mobile systems requiring substantial lower-voltage power from a nominal 24V source.

Because this model is both non-isolated and IP20, system grounding and the installation environment should be carefully considered before use in a marine application.

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💡 POWER MULTIPLE 12V ACCESSORIES

With 70A of continuous output capability, the Orion can provide power for multiple compatible 12V electrical loads from a single nominal 24V supply.

Always calculate the combined sustained current requirement of connected equipment rather than relying simply on the number of accessories being powered.

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📏 DIMENSIONS & WEIGHT

Height: 65mm

Width: 88mm

Depth: 195mm

Weight: Approximately 0.9kg

Allow additional clearance around the unit for M6 cable connections, mounting and airflow for the temperature-controlled cooling fan.

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🔧 SUITABLE APPLICATIONS

• 🚚 24V trucks and commercial vehicles
• 🚌 Buses and coaches
• 🏗️ Machinery and industrial equipment
• 🚤 Compatible marine electrical systems
• 📡 Communications installations
• 🎛️ Control systems
• 💡 High-current 12V lighting systems
• 🔌 Multiple compatible 12V accessories
• 📱 Electronic equipment
• 🔋 Compatible 12V battery buffer-charging applications

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📋 TECHNICAL SPECIFICATIONS

Product: Orion 24V to 12V-70A DC-DC Converter

Converter type: High-current adjustable non-isolated DC-DC converter

Ingress protection: IP20

Input voltage range: 18V–35V DC

Under-voltage shutdown: 14V

Under-voltage restart: 18V

Output-voltage adjustment: Yes – potentiometer

Output-voltage range: 10V–15V DC

Factory-set output voltage: 13.2V

Efficiency: 92%

Suitable to buffer-charge a battery: Yes according to supplied product information

Parallel connection: Yes

Maximum parallel units: Up to 5 according to supplied product information

Continuous output current: 70A

Maximum output current: 85A

Fan-assisted cooling: Yes – temperature controlled

Galvanic isolation: No

Off-load current: <20mA

Remote on/off: Yes

Operating temperature range: -20°C to +55°C

DC connection: M6 bolts

Weight: Approximately 0.9kg

Dimensions: 65mm × 88mm × 195mm

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⚠️ HIGH-CURRENT INSTALLATION CONSIDERATIONS

A 70A continuous-output converter is a substantial electrical load and requires careful system design.

The input side operates at a higher voltage than the output side, so input and output currents will not be identical. Conversion efficiency must also be allowed for when calculating input demand.

High-current installation considerations include:

• Correctly sized input cable
• Correctly sized output cable
• Appropriate cable length and voltage-drop calculations
• Correct M6 cable lugs
• Quality high-current crimping
• Appropriate input-side circuit protection
• Appropriate output-side protection where required
• Secure cable support and routing
• Adequate ventilation around the cooling fan
• Correct output-voltage adjustment

⚠️ IMPORTANT: The supplied specifications do not nominate cable size or fuse rating. These must be selected for the actual installation rather than guessed from the converter's terminal size.

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⚠️ INSTALLATION & COMPATIBILITY CHECKLIST

Before purchasing or installing the Orion 24V to 12V-70A DC-DC Converter, confirm that it matches your electrical-system requirements.

• 18–35V DC input supply
• Required output within the adjustable 10–15V range
• Correct output voltage set before connecting equipment
• Continuous load within the supplied 70A rating
• Maximum load within the supplied 85A rating
• No requirement for galvanic isolation
• Correct input and output polarity
• Correct high-current cable sizing
• Correct M6 cable lugs
• Appropriate fuse or circuit-breaker protection
• Correct remote on/off wiring where used
• Unobstructed airflow for the cooling fan
• Dry, protected IP20 installation location
• Operating temperature within -20°C to +55°C
• Correct charging voltage where battery buffer charging is intended
• Correct voltage matching where multiple converters are paralleled

⚠️ IMPORTANT: This is a high-current electrical product. Cable sizing, termination quality and circuit protection are critical to safe and reliable operation.

⚠️ IMPORTANT: This converter is non-isolated. Do not use it where galvanic isolation between the input and output circuits is required.

⚠️ IMPORTANT: The unit is IP20 and requires a dry, protected installation location.

⚠️ IMPORTANT: Battery buffer charging must use an output voltage appropriate for the particular battery and its manufacturer's requirements.

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❓ FREQUENTLY ASKED QUESTIONS

What does the Orion 24V to 12V-70A converter do?

It converts a compatible nominal 24V DC supply into an adjustable 10V to 15V output for suitable lower-voltage equipment and compatible battery-buffering applications.

What is the input voltage range?

The supplied input-voltage range is 18V to 35V DC.

What is the output-voltage range?

The output can be adjusted between 10V and 15V DC.

What is the factory-set output voltage?

The supplied technical specification lists a factory-set output of 13.2V.

Can the output voltage be adjusted?

Yes. The supplied specification states that output voltage is adjustable using a potentiometer.

What is the continuous output current?

The supplied continuous output-current rating is 70A.

What is the maximum output current?

The supplied maximum output-current rating is 85A.

Can I continuously draw 85A?

No. The supplied continuous-current rating is 70A. The 85A figure is identified as maximum output current.

How efficient is the converter?

The supplied efficiency rating is 92%.

Does it have a cooling fan?

Yes. The supplied specification states that it uses temperature-controlled fan-assisted cooling.

Why does this model have a cooling fan?

The converter is capable of supplying substantial output current. Temperature-controlled fan cooling assists with heat management during operation.

Does it have remote on/off?

Yes. Remote on/off is included according to the supplied specification.

What is the advantage of remote on/off?

It allows the converter to be controlled using a low-power switch or compatible control signal without installing a high-current switch directly into the main power cable.

Can the remote on/off be connected to an engine run signal?

The supplied product information states that the remote on/off can be operated by an engine run/stop switch. Follow the applicable manufacturer wiring instructions.

What is the under-voltage shutdown point?

The supplied under-voltage shutdown threshold is 14V.

What is the under-voltage restart point?

The supplied restart voltage is 18V.

Can this converter charge a battery?

The supplied information states that adjustable-output Orion models can be used for compatible battery buffer-charging applications.

Can it charge a 12V battery from a 24V system?

Yes, this is specifically given as an example in the supplied product information, provided the converter is correctly configured for the battery and application.

Can it charge a 12V starter battery?

The supplied information specifically mentions a 12V starter battery as a possible buffer-charging application in an otherwise 24V electrical system.

Can it charge a 12V accessory battery?

Yes, this is also specifically given as an example in the supplied product information, subject to correct output-voltage configuration and battery compatibility.

Can it charge an AGM battery?

Potentially, where the adjustable output is correctly configured to suit the battery manufacturer's requirements and buffer charging is appropriate for the installation.

Can it charge a lithium battery?

Do not assume lithium compatibility solely because the output is adjustable. Lithium batteries can require specific charging profiles, voltage limits and BMS compatibility. Confirm the battery manufacturer's charging requirements before using the converter for this purpose.

Is this the same as a modern multi-stage DC-DC battery charger?

Not necessarily. The supplied information states that the converter can buffer-charge a battery, but does not specify the multi-stage charging features or battery-management functions associated with dedicated DC-DC battery chargers.

Can multiple converters be connected in parallel?

Yes. The supplied information states that adjustable-output Orion models can be connected in parallel to increase output current.

How many converters can be connected in parallel?

Up to five compatible units can be connected in parallel according to the supplied product information.

Is the converter galvanically isolated?

No. The supplied specification states that galvanic isolation is not provided.

What does non-isolated mean?

It means there is no galvanic electrical separation between the input and output circuits. Choose a suitable isolated converter where electrical separation is required.

What type of electrical connections does it use?

The Orion uses M6 bolted DC connections.

What cable size should I use?

The supplied specifications do not nominate a specific cable size. Cable must be calculated according to actual current, cable length, acceptable voltage drop and installation conditions.

Do I need cable lugs?

M6 bolted connections require appropriately sized cable terminations suitable for the cable and M6 connection point. Use correctly crimped high-current terminals.

Does it require external circuit protection?

Appropriate fuse or circuit-breaker protection should be selected according to cable size, source capability, converter demand and the complete installation design.

What is the IP rating?

This model is identified as IP20.

Can it be mounted outside?

No. IP20 equipment requires a dry, protected installation environment and should not be exposed to rain, water spray or weather.

What is the off-load current?

The supplied off-load current is less than 20mA.

What is the operating-temperature range?

The supplied operating-temperature range is -20°C to +55°C.

How large is the converter?

The supplied dimensions are 65mm high × 88mm wide × 195mm deep.

How much does it weigh?

The supplied weight is approximately 0.9kg.

Can it run 12V equipment from a 24V truck?

Potentially. This is a primary application for a 24V-to-12V converter. Confirm the equipment is compatible with the selected output voltage and that its total current requirement remains within the converter's ratings.

Can it run multiple 12V accessories?

Yes, provided their combined sustained current remains within the supplied 70A continuous-output rating and the complete installation is correctly designed.

Can it run a 50A load continuously?

Potentially. A 50A sustained output is below the supplied 70A continuous-current rating, subject to correct input supply, wiring, cooling, protection and installation conditions.

Can it run a 70A load continuously?

Potentially. A 70A load is at the supplied continuous-current limit, so correct cable sizing, voltage drop, cooling, circuit protection and installation conditions are particularly important.

Can I use the 85A rating to size a continuous accessory load?

No. Use the supplied 70A continuous-current rating when determining sustained loads.

Does the converter need ventilation?

Yes. The converter uses temperature-controlled fan-assisted cooling, so adequate space should be provided around the unit to allow airflow.

What should I check before ordering?

Confirm the 18–35V input range, required 10–15V output setting, 70A continuous-current requirement, 85A maximum output, need for galvanic isolation, cable and M6 terminal requirements, external circuit protection, remote on/off requirements, cooling clearance and IP20 installation environment before purchase.

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⚡ SERIOUS 24V TO 12V POWER FOR HIGH-CURRENT APPLICATIONS

Choose the Orion 24V to 12V-70A DC-DC Converter when a small voltage converter simply does not provide enough capacity for your 12V equipment.

With an 18–35V input range, adjustable 10–15V output, 70A continuous-current capability, 85A maximum output, 92% efficiency, temperature-controlled fan cooling, remote on/off, battery buffer-charging capability and support for up to five parallel converters, the Orion provides a powerful solution for compatible truck, commercial vehicle, industrial and auxiliary electrical systems.

For a high-current installation of this size, correct cable sizing, M6 terminations, circuit protection, output-voltage adjustment, cooling and system design are essential. Confirm these requirements before installation to ensure the Orion 24V to 12V-70A is appropriate for your application.