Ingersoll Rand CNC Control Module 39564364 5 VDC

The Ingersoll Rand 39564364 is a Stepper Limit PCB designed for use in Ingersoll Rand rotary screw air compressors. Printed on the board silkscreen is "INGERSOLL-RAND STEPPER LIMIT PCB COPYRIGHT 1993 39200407 REV 02 9/28/95." The board label identifies part number 39564364, Rev. 04. The outer shipping box label reads "PC CARD STEPPER LIMIT QTY 1" and references catalog number 339950-116, labeled by Ingersoll Rand.

The circular PCB features a central mounting hole and four outer mounting holes consistent with a rotary screw compressor inlet valve stepper motor assembly. Board markings indicate two switch positions: CLOSED at 5 degrees and OPEN at 85 degrees. Power supply connection is 5 VDC. Wire harness color assignments are labeled on the board: RED (5 VDC), BLK (GND), WHT (CLOSED), and GRN (OPEN). The board incorporates discrete passive components including resistors and a capacitor, along with a transistor marked Q1.

The item is presented in an original Ingersoll Rand Industrial Technologies branded box. The PCB is cushioned in foam packaging within a cardboard shipper. A Belden wire harness is attached. No damage is visible on the PCB or components. Date code on the board reads 9/28/95.

Part number 39564364 is referenced in active US aftermarket listings as a replacement stepper motor board for Ingersoll Rand ML-series and similar rotary screw compressor platforms.

Stock # 0526-02465