MEAN WELL Switching Power Supply, HRPG-450-24RS, 24V dc, 18.8A, 451W, 1 Output, 120 → 370 V dc, 85 → 264

The Mean Well HRPG-450 series 451.2W single output AC to DC embedded switch mode power supply has an output current rating of 18.8A at 24VDC. It has a universal input supply voltage rating ranging from 85VAC to 264VAC/120VDC to 370VDC.
Note:
Power derating above 40°C
MTBF to MIL-HDBK-217F

High efficiency up to 88%
Long life and high reliability
No load power consumption less than 0.5W
Built-in active PFC function
Built-in constant current limiting circuit
Built-in cooling fan ON-OFF control
Built-in DC OK signal
Built-in remote sense function
Short circuit
Over load
Overvoltage and over temperature protection
Withstands 300VAC surge input for 5 seconds
Low profile of 1U

UL60950-1
TUV approved
EN60950-1
CB certified
EN55022 class B (EMC compliance)
EN61000-3-2,-3 (power factor correction)