The HSN-200-4.2A from MEAN WELL USA Inc. is an enclosed, conformal-coated AC-DC converter with 1 output at 4.2 V and 126 W, with 90 to 132 VAC / 254 to 373 VDC input.
The HSN-200-4.2B from MEAN WELL USA Inc. is a 168 W enclosed, conformal-coated AC-DC converter with 1 output at 4.2 V and a 180 to 264 VAC, 254 to 373 VDC input.
The HSN-200-5B from MEAN WELL USA Inc. is an enclosed, conformal-coated AC-DC converter with 1 output at 5 V and 200 W, accepting 180 to 264 VAC or 254 to 373 VDC input.
The HSN-200-5A from MEAN WELL USA Inc. is an enclosed, conformal-coated AC-DC converter with 1 output at 5 V and 150 W, accepting 90 to 132 VAC or 254 to 373 VDC input.