Product description NWANSI 24V/36V/48V(18-60V) to 12V DC Step Down Power Converter 10A/20A/30A Product Wiring Instructions The red cable at the input end connects to the positive "+" terminal of the power supply. The black cable at the input end connects to the negative "-" terminal of the power supply. The yellow cable at the output end connects to the positive "+" terminal of the device. The black cable at the output end connects to the negative "-" terminal of the device. Features Non-isolated between input and output. Die-cast aluminum shell, epoxy pottin. Coolin by free air convection.
Hih efficiency, Up to 100, 000 hours of service life. Low voltae, Overload, and Over-temperature protection. 100% Brand New and Hih Quality.
Shape & Color: Same as the picture show
Note: The measurement data has an error of 1% to 5% due to nature and measurement tools.