The RKZ-0515D/H is a DC/DC converter module manufactured by Recom Power. It is a 15 Watt model with a 4:1 input voltage range of 9-36VDC and an adjustable output voltage range of 1.5-15VDC. It features short-circuit protection with auto-recovery, remote on/off control, overvoltage protection, and over temperature protection. It also comes with a range of fixed output voltage options available, including 3.3VDC, 5VDC and 12VDC.