Victron Orion-Tr 12/12V 9A DC to DC Converter with Galvanic Isolation 110W, 5 Year Warranty  Remote on-off: 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)  Adjustable output voltage: can also be used as a battery charger: For example to charge a 12 Volt starter or accessory battery in an otherwise 24V system  All models are short circuit proof and can be paralleled to increase output current: An unlimited number of units can be connected in parallel  IP43 protection: When installed with the screw terminals oriented downwards  Screw terminals: No special tools needed for installation Input fuse: On 12V and 24V input models only