The remote on-off eliminates the need for a high current switch in the input wiring. The remote on-off can be operated with a low power switch or by for example the engine run/stop switch (see manual). When installed with the screw terminals oriented downwards.
Datasheet: Victron Orion-Tr DC-DC Isolated Converter 24V
Datasheet: Victron Orion-Tr DC-DC Isolated Converter 24V