Voltcraft spw 24 12v 6a voltage reducer dc dc converter 24v to 12v voltcraft 511671 the voltcraft spw 24 12v 6a dc dc converter enables the use of small 12v in car devices in heavy vehicles with 24v dc on board voltage the dc voltage converter is simply plugged between the heavy vehicle socket and the device it is ideal for operating small navigation systems cd players tv sets etc up to a maximum of 6a power consumption with overload protection voltcraft spw 24 12v 6a dc dc converter 2