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Victron Energy Chargers & Inverters DC-DC Battery Charger

Orion-Tr 24/12-30A (360W) Isolated DC-DC

24V to 12V DC-DC step-down converter (30A continuous, 360W). Powers 12V appliances, lighting, and fuse blocks from a 24V house battery bank. Galvanically isolated.

Voltage 24 V DC
Current 30 A
Efficiency 92%

Technical & Electrical Specifications

Nominal Voltage
24 V DC
Output Voltage
12 V DC
Rated Output Current
30 A
Operating Efficiency
92%

Terminal Pinouts & Hardware Connections

Verify physical terminal sizes, stud threads (M6, M8, M10), and circuit polarity before crimping lugs or running wiring.

Hardware terminal connection details and stud sizes for Orion-Tr 24/12-30A (360W) Isolated DC-DC
Terminal Label Polarity / Type Nominal Voltage Physical Hardware Location
24V IN+
in_pos
+ DC Positive 24V Standard Terminal Top Panel
24V IN-
in_neg
- DC Negative 24V Standard Terminal Top Panel
12V OUT+
out_pos
+ DC Positive 12V Standard Terminal Bottom Panel
12V OUT-
out_neg
- DC Negative 12V Standard Terminal Bottom Panel
REM
remote
Control 24V Standard Terminal Bottom Panel
Installation Safety Standard: Always size circuit protection (ANL, MIDI, or MEGA fuses) to protect the cable run attached to these terminals against dead shorts and thermal overload, in compliance with AS/NZS 3001, AS/NZS 3004, and ABYC E-11 standards.

Official Product Manual & Wiring Guidelines

Manufacturer technical instructions, safety precautions, and troubleshooting procedures.

Download PDF Manual

1. Safety Instructions

Galvanic Isolation: Input and output negatives are electrically isolated. Do NOT connect input negative and output negative together if isolation is required.
  • Install appropriate fuses close to the 24V source and the 12V distribution block. Recommended fuse: 25A on 24V input, 40A on 12V output.
  • Ensure adequate ventilation; operates in ambient temperatures up to 55°C (derates above 40°C).

Plan Your System with the Orion-Tr 24/12-30A (360W) Isolated DC-DC

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