H33NRHC-LNN-NS-00 Kollmorgen
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The Kollmorgen H33NRHC-LNN-NS-00 is a stepper motor in the E Hybrid Stepper Motors series with a frame size of NEMA 34 and a body diameter of 3.38 inches. It features a holding torque of 659 oz-in, has a rated current per phase of 11.1 Amps, and weighs 7.6 pounds. The motor supports 200 full steps per revolution with a step angle of 1.8 degrees and a step accuracy of ±3.0%.
Internal Product Review
The H33NRHC-LNN-NS-00 is a Kollmorgen hybrid stepper motor with a NEMA 34 frame size and 659 oz-in holding torque. A 1.8° step angle and ±3.0% step accuracy support dependable positioning in indexing and motion-control duties. Regular leadwire connection and a 4 lead parallel configuration simplify integration, making this motor a strong choice for demanding stepper applications.
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Product Description:
The H33NRHC-LNN-NS-00 is a hybrid stepper motor produced by Kollmorgen for the E Hybrid Stepper Motors series. It combines a permanent-magnet rotor with fine laminated stacks to generate discrete rotor positions for open-loop motion tasks in automated tables, gantries, and indexers. By matching a NEMA 34 frame to a smooth shaft, the motor fits common couplings while delivering step-based positioning without an external encoder.
This model sustains a holding torque of 659 oz-in, allowing fixtures or tooling to remain fixed while the motor is energized. Each phase requires a rated current of 11.1 A, and the copper paths have a resistance of 0.15 ohms, so resistive heating remains moderate for its power class. A phase inductance of 1.6 mH influences current rise time, with the low inductance supporting a faster torque response during step changes. The native step angle is 1.8°, which combines with a step accuracy of ±3.0% and a rotor inertia of 0.025 oz-in-s² to provide predictable incremental motion under controlled current profiles.
The motor completes one revolution in 200 full steps and supports an axial shaft load of up to 180 lb. It also accommodates a radial load of up to 35 lb, making it suitable for belt drives or light lead-screw thrust loads. A body diameter of 3.38 in and a maximum length of 5.06 in keep the package compact, while its total mass of 7.6 lb supports gantry mounting without excessive added weight. The windings are insulated for 340 VDC, and a thermal resistance of 2.0 °C/W assists heat transfer to the housing. Three rotor-stator stacks increase detent torque, and the four-lead parallel wiring uses a standard lead-wire connection for attachment to a compatible stepper drive. A NEMA mounting face simplifies installation, while the smooth shaft allows direct connection to suitable gears, pulleys, or clamping couplings.
