The SD-500L-24 is a 504W DC/DC Enclosed converter featuring 2:1 wide input range. SD-500L-24 input voltage ranges from 19 to 72VDC. Voltage output is 24 VDC and adjustable from 23 to 30V and current output is adjustable from 0 to 21 A with rated current 21A . With efficiency up to 88%, it is able of operating from -20 to +60 ℃ case temperature under free air convection.With built-in EMI filter, low ripple noise the converter has a high realiability in a realtively low cost. The SD-500L-24 has a 2 years factory warranty.