Victron Orion 24V to 12V - 480W 40A Non Isolated DC/DC Converter

Remote on-off connector 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 the engine run/stop switch (see manual). 

All models with adjustable output 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 with adjustable output can be paralleled to increase output current Up to five units can be connected in parallel.