About the 0-51851-4
The 0-51851-4 CRCE regulator circuit board that was produced by Reliance Electric. This circuit board is no longer in production and is considered obsolete. The front of the 0-51851-4 has six small black dials placed side by side. Each dial has a range of zero to ten and can be adjusted independently of each other. The dial on the top left is labeled Min. Spd. The dial on the top right is labeled Max. Spd. The dial in the middle on the left is Decel. Rate. The dial in the middle on the right is labeled Accel. Rate. The bottom dial on the left is labeled IR Comp. The dial on the bottom right is labeled Curr. Limit.
The 0-51851-4 circuit board has three large wire induction cables. There are two small integrated circuits below the induction coils. The 0-51851-4 features six circular varistor resistors, four large thick film resistors, seventeen light blue, and six red fusible resistors, along with twenty carbon composition resistors. The card also features a series of silver and black transistors, a variety of capacitors, and diodes. The 0-51851-4 features a grid pattern across the surface to keep everything organized and simple to find. At the rear of the circuit board starting at the sixty-five-grid line to the eighty-grid line is a metal support system. This metal support system is an area to place smaller daughter boards (that are sold separately). This support system can house two small daughter boards.
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