Controller for Backgauge, fits Polar 66, 250585a, ZA3.250585, M629

This controller, or rotary impulse generator, is mounted on the front control panel of the Polar 66 paper cutters, and the Baum Cut paper cutters.  (This is not the encoder that is under the rear of the cutter.)  It is used to control the forward and backward movement of the back gauge on these cutters.

Made in Germany.

The original Pulse Generator Polar part number is 250585, 250585a, or ZA3.250585.