About the 0-55329-7
0-55329-7 Reliance Control Board
The 0-55329-7 is a circuit board component made by Reliance Electric. This board is typically used in Reliance-made drive systems. The board, while it usually is considered a Reliance component, may also originate from either Asea Brown Boveri or from Baldor-Reliance, depending on the year of manufacture and the company structure at that time. The part id will always reflect 55329-7. It has been discontinued in recent years and is no longer in production.
The 0-55329-7 has a long terminal strip located along its leading edge. This component has twenty screw connections, each numbered. The terminal strip includes a connected cover that screws over the component from each end. The board has over a dozen integrated circuits of various design. It has a single LED indicator located near the center-right top of the board. The board has multiple lines of terminal pins, most often located along the edges of the component. Terminal pins are labeled with letters or numbers.
Other components on the board’s surface include disk capacitors, polyester vinyl capacitors, transistors, metal film resistors, seven potentiometers, a relay, electrolytic capacitors, and diodes. The board also has a right-angled cable connector located along its top edge. A metal flange is connected to the board toward the right edge. This may act as a shield or a heat sink.
More information regarding the board and how it operates can be found through publications like Reliance manuals and user guides. Technical support for this product was originally provided to users by Reliance Electric. Original technical support publications have detailed information on installation and safety procedures.
