0-51845-1

About the 0-51845-1

0-51845-1 PRSB  Power supply

The 0-51845-1 is a Reliance Electric printed circuit board.  Now obsolete, this board was produced for several years, and due to changes in company structure, your board may be marked as an Asea Brown Boveri (ABB) board or as being manufactured by Baldor-Reliance.  Your part number should be the same in all cases.

The 0-51845-1 is a Power Supply board.  This board is designed to fit into a rack system and is connected to a front faceplate using three screws.  The faceplate includes a set screw at its top and bottom to lock it into place. It has a single light indicator that is marked “Phase Sequence.”  Below this, the faceplate is marked “Do Not Run Drive When Light is Out. Refer to Instructions.” More information regarding board operation can be accessed through Reliance publications like product manuals or series user guides.  

The circuit board component on the 0-51845-1 is marked with a grid.  The top edge of the board is numbered by fives, while a perpendicular side is lettered.   The board is populated by various transistors, integrated circuits, resistors, and capacitors.  Capacitors tend to be made of materials like aluminum electrolytic and polyester vinyl. The board also has several examples of surface wiring.  

The 0-51845-1 has four standoffs connected to the board’s surface.  These attach two metal plates to the board. Each of these plates has a Motorola 2N3055 transistor mounted to its center.  Each plate also has a single wire screw connected to one corner. Technical support for this product was provided by Reliance.