UHP-500R-55 Mean Well Power Supply 55 VDC 8.9A

Enclosed Power Supply

Brand: Mean Well
Model: UHP-500R-55
output: 55 VDC /8.9A
Slim and Low profile 
Fanless design,free air convection
Built-in active PFC function150%
peak load capability(100ms)
High voltage output available for HV type
DC OK active signal and redundant function(option)
Operating altitude up to 5000 meter

Datasheet:

UHP-500R