24V to 12V DC-DC Converter for High-Current Power Systems

The Orion 24/12-80 is a non-isolated DC-DC converter for converting a 24V DC supply to a regulated 12V DC output in automotive, marine and other DC power systems. Its adjustable output allows it to supply 12V equipment or charge a 12V starter or accessory battery from a 24V system. The converter supports remote on/off control, parallel operation for higher output capacity and temperature-controlled fan cooling for high-current applications.

Key Features

  • 24V to 12V Conversion: Converts a 24V DC source for powering 12V DC equipment and systems.
  • Adjustable Output: Output voltage can be adjusted to suit the connected load or battery-charging requirements.
  • Battery Charging Capability: Suitable for buffer charging and can be used to charge a 12V starter or accessory battery from a 24V system.
  • High-Current Output: Supports demanding DC loads requiring substantial continuous current.
  • Parallel Operation: Up to five adjustable-output units can be connected in parallel to increase available output current.
  • Remote On/Off: Allows control using a low-power switch or an engine run/stop switch, eliminating the need for a high-current switch in the input wiring.
  • Temperature-Controlled Cooling: Fan-assisted cooling supports operation under higher loads.
  • M6 Power Connections: Uses M6 bolt connections for secure high-current DC wiring.
  • Non-Isolated Architecture: Input and output do not have galvanic isolation.

Suitable for applications requiring a high-current 12V supply from an existing 24V electrical system, including auxiliary battery charging and powering 12V DC loads.

Part Number ORI241280020
Input Voltage Range 18–35V DC
Under Voltage Shutdown 14V
Under Voltage Restart 18V
Output Voltage Adjustable 10–15V DC, factory set to 13.2V
Efficiency 92%
Continuous Output Current 80A
Maximum Output Current 90A
Battery Buffer Charging Yes
Parallel Connection Yes, up to 5 units
Fan-Assisted Cooling Yes, temperature controlled
Galvanic Isolation No
Off-Load Current <20mA
Remote On/Off Yes
Operating Temperature -20°C to +55°C, derate 3% per °C above 40°C
DC Connection M6 bolts
Weight 0.9kg
Dimensions (H × W × D) 65 × 88 × 195mm
Safety Standard EN 60950
Emission Standards EN 61000-6-3, EN 55014-1
Immunity Standards EN 61000-6-2, EN 61000-6-1, EN 55014-2
SKU VIC.ORI241280020
Model # ORI241280020
UPC/EAN 8719076069614
Shipping Weight 1.0000kg
Shipping Width 0.080m
Shipping Height 0.110m
Shipping Length 0.230m
Shipping Cubic 0.002024000m3
Unit Of Measure ea

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