50W Dc-DC Step Down Converter 12V/24V To 5V 10a

Output power: 50W. Output Current: 10A. overheat protection. Short-circuit protection and automatic recovery. USB 2.0 Male to RS232 Female DB9 Serial Cable Adapter Converter With PL2303 Chip. M2-M6 Brass Knurled Nut Threaded Heat Set Inserts for Plastic 3D Printing 300pcs.