About the 813.23.20
The 813.23.20 is a POWER SUPPLY INTERFACE BOARD GVS3000 formally manufactured by Reliance Electric. The 813.23.20 is obsolete and is no longer in production. The 813.23.20 features thirteen white towers (nine of which are clustered and the top right edge of the card). The power supply card has ten male terminals that are used to either connect power cords or various other devices. The 813.23.20 has nine integrated circuits to house programming information. The 813.23.20 has eight black half-circle shaped transistors. The interface board has twenty-one PCB mount electrolytic capacitors (two are small and black fifteen are medium sized and orange and four are large and black). The large black PCB mount electrolytic capacitors are encased with a metal cage-style bracket. The 813.23.20 has two large fuses on the left side of the circuit board. The 813.23.20 board also has three blue trimmer styled variable resistors, along with thirty linear resistors or resistors with stripes on them. The card also has varistor resistors (have a circular shape) and two large thick film resistors. The power supply interface card also features a large transformer with many wired of various colors coming out of it and connection to various points on the circuit board and a small transformer with no wires coming from it. Reliance Electric has published multiple instruction manuals and data sheets that can be referred to if more information is required.
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