Recom international rec3 s series 3w single output dcdc converter recom rec3 0505srwh4a this recom rec3 0505srwh4a is a 3w single output dcdc converter that has an isolation of 4kvdc h4 making it suitable for medical applications and other sophisticated industrial applications the rec3 0505srwh4a has the industry standard pinout option a so remote onoff control is possible with this version the converter can deliver 140 rated power for short periods of time to cope