E33NMFP-LNN-NS-00 Kollmorgen
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The Kollmorgen E33NMFP-LNN-NS-00 is a NEMA 34 hybrid stepper motor from the E Hybrid Stepper Motors series. It features a holding torque of 995 oz-in and a step angle of 1.8 degrees, offering 200 steps per revolution. The motor supports an axial shaft load of 180 pounds and utilizes SIGMAX construction for enhanced performance.
Internal Product Review
The E33NMFP-LNN-NS-00 is a Kollmorgen hybrid stepper motor in a NEMA 34 frame, well suited for demanding motion applications. Holding torque of 995 oz-in and a 1.8-degree step angle support strong positioning capability with confident low-speed control. The max-torque-at-high-speed winding is a standout feature for dynamic indexing systems.
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Product Description:
The E33NMFP-LNN-NS-00 is a hybrid stepper motor produced by Kollmorgen for the E Hybrid Stepper Motors series. Designed for incremental motion tasks, it transforms controlled phase currents from a stepper drive into accurate angular displacement for positioning conveyor diverters, vision stages, or metering pumps in automated equipment. The SIGMAX construction concentrates magnetic flux, while the three-stack rotor and eight power leads permit either high-torque parallel wiring or lower-current series wiring. These wiring options allow the drive capability to be matched to the mechanical load.
The motor occupies a NEMA 34 frame, so its 3.875-inch mounting circle and 2.875-inch pilot fit standard brackets directly. Static detent torque reaches 995 oz-in, helping the shaft resist back-driving forces without an external brake. Each command pulse advances the shaft by 1.8 degrees in full-step operation, providing 200 full-step positions per revolution with an accuracy of ±1.5%. For thrusting actuators, the shaft end accepts an axial load of up to 180 lb transmitted through collars or couplings. A splash-proof PG11 conduit connector routes the motor leads to terminal blocks. Class B insulation, insulation resistance of 100 MΩ, and a rating of 340 V DC protect the windings against elevated voltage and moisture.
Side loads are limited to 35 lb, so pulleys or gears must be supported by outboard bearings when heavier overhung loads are present. The working journal has a diameter of 0.3750 in and extends 1.25 inches from the face. Because the journal has a smooth surface, attached components must use clamping connections rather than keyed connections. Low rotor inertia of 0.025 oz-in-s² supports the rapid acceleration profiles used for dynamic indexing with high-speed windings. Heat rises through the frame at a rate of 2.0 °C/W. The motor supports continuous operation at ambient temperatures from -20 °C to +40 °C when airflow around the frame remains unobstructed.
