Image is Representational - See Manufacturer Specs | DC/DC Enclosed converter - Input 19-36VDC - Output 12VDC at 4.2A - 50W - 5-Pin - Free air convection. SD-50B-12 is single output regulated and isolated DC-DC converter with output voltage 12VDC at 4.2A. Input voltage range is from 19 to 36VDC. This DC/DC enclosed converter has I/O isolation of 1.5kVAC and short circuit overload over voltage protection. SD-50B-12 has a 2 year factory warranty.