Check the listing for details. Victron Energy, Orion-TR, Converter, 48Vdc to 12Vdc, 30Amp, Isolated. Color: Blue, Condition: New. Listed at 237.00 USD. Free Shipping is for the contiguous United States Only. Orion-TR DC-DC Converter - 48 VDC to 12 VDC - 30AMP IsolatedIsolated Model - separate in and out (-) leadsFeatures: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.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. High temperature protected The output current will reduce at high ambient temperature. IP43 protection When installed with the screw terminals oriented downwards. Screw terminals No special tools needed for installation.Input fuse (not replaceable) On 12V and 24V input models only