Product Description:

The CTM31NLF09KEE00 is a stepper motor manufactured by Kollmorgen for the CT Stepper Motors series. Designed for incremental positioning, it advances by one precise angle per input pulse so conveyors, indexing tables, or metering stations can move predictable distances without closed-loop feedback. Kollmorgen assigns it to the Cool Torque Maximum Series to indicate higher torque density and improved heat dissipation, which support long duty cycles in industrial automation.

Its electromagnetic circuit is wound in a bipolar configuration that produces a holding torque of 4.9 N-m, giving midsize machinery enough static force to resist back-driving. The motor accepts an axial shaft load of 100 lb in either direction and sustains a radial load of 65 lb at the shaft center, so belts or gear sets can be attached without additional support bearings. Each phase draws only 0.9 A, which allows the use of compact drive electronics. The Class B insulation safely tolerates up to 340 VDC between the windings and housing. These ratings establish the allowable mechanical loads and electrical clearances for integrating the motor into a motion axis.

The housing corresponds to Size 34, measuring approximately 85 mm square, and uses a single-length configuration identified as one stack, which keeps the required installation depth compact. Mounting follows the NEMA through-hole pattern, and the output shaft has a straight keyway that prevents pulleys or couplings from slipping during operation. Power reaches the windings through four flying-lead connections, simplifying termination to compatible bipolar stepper drives. English-threaded holes on the rear face accept an encoder when closed-loop position verification is required. The enhanced-efficiency winding arrangement provides high torque per ampere while limiting the current demand placed on the connected drive.