DC/DC Converter SD-500H-48 500W 48V

4:1 & 2:1 DC Input range Protections: Short Circuit/Overload/Over voltage/Over temp/Input polarity Other Features: DC input active surge current limiting 2000VAC I/O Isolation Forced air cooling by built in DC fan with fan speed control function Output OK signal Built in remote On-OFF control Built in remote sense function 3 years warranty