The specs say Built-in constant current limiting circuit
Maast used 4 guage cable with his.
Features
Universal AC input / Full range
Withstand 300VAC surge input for 5 seconds
Built-in active PFC function
Protections: Short circuit / Overload / Over voltage /Over temperature
Built-in constant current limiting circuit
Built-in remote sense function
Built-in DC OK signal
No load power consumption<0.5W (HRPG-300 / 450)
No load power consumption<0.75W (HRPG-600)
Built-in remote ON/OFF control & 5V / 0.3A standby output (HRPG series)
Built-in current sharing (HRPG-600-24 / 36 / 48)
Forced air cooling by built-in DC fan
1U low profile (HRP-300 / 450)
100% full load burn-in test
5 years warranty
View attachment 24609