E31NCFT-LNN-NS-01 Kollmorgen
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The Kollmorgen E31NCFT-LNN-NS-01 is a stepper motor from the CT Stepper Motors series with a NEMA 34 frame size and 200 full steps per revolution. It features an MS connector, IP65 ingress protection, and an 8-lead configuration. The motor has a round smooth shaft that is 0.3750 inches in diameter and 1.25 inches long, and supports operation at temperatures from -20 to 40°C.
Internal Product Review
The E31NCFT-LNN-NS-01 is a Kollmorgen CT stepper motor with a NEMA 34 frame and 2-phase construction. Motion control performance is especially strong thanks to 200 full steps per revolution and ±1.5% of one full step accuracy. IP65 protection and an integrated shaft seal make the unit a dependable choice for demanding industrial installations.
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Product Description:
The E31NCFT-LNN-NS-01 is a hybrid stepper motor produced by Kollmorgen for the CT Stepper Motors series. This two-phase device converts discrete drive pulses into incremental shaft motion, enabling precise index positioning in packaging equipment, pick-and-place gantries, and other automation axes that require open-loop accuracy. With a frame size of NEMA 34, the motor conforms to a 3.4-inch square mounting footprint that aligns with standard reducers and brackets.
Each electrical revolution is partitioned into 200 full steps, which corresponds to a fundamental 1.8° step angle. Position repeatability is maintained within ±1.5% of one full step, so axis errors remain predictable over long indexes. The motor has eight leads that provide flexible series, parallel, and half-coil wiring options for current adjustment. Mechanical attachment is handled through 0.218-inch mounting holes arranged around a 2.875-inch pilot, ensuring concentric alignment between the motor and load. The pilot diameter has a tolerance of 2.875 ± 0.002 inches to limit radial runout. The 0.218-inch mounting holes accept common 10-32 hardware.
The motor has an IP65 ingress rating, providing dust-tight construction and protection against low-pressure water jets. A bolt circle diameter of 3.875 inches matches many gearheads without requiring additional adapter plates. Power lines terminate through an MS connector that simplifies wiring access. The output shaft has a diameter of 0.3750 inches and extends 1.25 inches beyond the front face. Its round, smooth profile is suitable for clamp or set-screw couplings. A shaft seal protects the front bearing against coolant splash. Continuous operation is supported from -20 to 40 °C, allowing installation in unconditioned enclosures while the winding remains thermally stable throughout the permitted temperature range.
