SD-50B-12 Mean Well DC DC Converter input: 19-36VDC output: +12V4.2A

Enclosed DC-DC Converter

Brand: Mean Well
Model: SD-50B-12
input: 19-36VDC output: +12V4.2A
2:1 wide input range (4:1 for SD-500/1000)
1.5~2KVAC isolation by models
1U low profile (41mm) for SD-1000
12V/0.25A auxiliary output for SD-500/1000
Built-in remote ON/OFF control and remote sense for SD-500/1000
15W~1000W

Datasheet:

SD-50