HSN-28-3.0 is an AC to DC power supply from TDK-Lambda Americas Inc. that is obsolete. It has output ratings of 28VDC, 3A, and 84W.
179-2348-ND is a possible alternative from Bel Power Solutions. It has the same input and output ratings as the above mentioned obsolete part.
Here is the data sheet to that power supply. Please refer to it and the specifications to determine if it will work for your application.