E31NLHB-LNN-NS-00 Kollmorgen
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The Kollmorgen E31NLHB-LNN-NS-00 is a stepper motor from the E Hybrid Stepper Motors series with a NEMA 34 frame size and a holding torque of 2.23 Nm. It features SIGMAX construction, a smooth shaft, and a rated current per phase of 5.9 Amps. The motor has an insulation class of B rated at 130°C and operates within a temperature range of -20°C to 40°C.
Internal Product Review
The E31NLHB-LNN-NS-00 is a Kollmorgen hybrid stepper motor with a 1.8-degree step angle and 200 steps per revolution. A 2.23 Nm holding torque paired with 5.9 A rated current supports confident positioning in demanding motion applications. NEMA mounting and a splashproof conduit-board connection simplify machine integration, making the motor a strong choice for dependable stepper performance.
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Product Description:
The E31NLHB-LNN-NS-00 is a hybrid stepper motor built by Kollmorgen as part of its E Hybrid Stepper Motors series. The unit converts digital step pulses into incremental motion for pick-and-place heads, indexing conveyors, and other automated axes that demand repeatable position control without encoder feedback. SIGMAX construction concentrates magnetic flux, and the NEMA mounting interface allows the motor to fit standard brackets on machinery that uses similar 34-frame actuators.
The motor conforms to the NEMA 34 envelope and uses a four-lead parallel wiring configuration, enabling full-step or microstep operation with standard bipolar drives. One stator stack produces a holding torque of 2.23 Nm, while each command pulse advances the shaft by 1.8 degrees, providing 200 discrete steps per revolution with a step accuracy of ±1.5%. To maintain this resolution at higher speeds, the windings accept a rated phase current of 5.9 A. A phase inductance of 1.7 mH supports a rapid current rise without requiring excessive drive voltage. The rotor inertia is 0.0083 oz-in-s², which limits overshoot when loads are reversed, and the absence of feedback components simplifies cabling.
A smooth shaft transmits torque to couplings, while the NEMA-compatible mounting face has threaded holes for attachment. The splash-proof connection routes the motor leads through a conduit connector that accepts a 1/2-inch NPS pipe thread, shielding the terminal board from fluids. Winding resistance is 0.24 ohms, and the Class B insulation is rated for 130 °C. The insulation system also provides 100 megohms of resistance and a dielectric withstand rating of 340 V DC. Continuous operation is permitted from -20 °C to +40 °C, supported by a thermal resistance of 3.9 °C/W. The radial bearings accommodate loads up to 156 N, while the shaft can withstand axial forces up to 801 N. The motor has a total mass of 1.45 kg.
