E41HLET-LNK-NS-00 Kollmorgen
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The Kollmorgen E41HLET-LNK-NS-00 is a NEMA 42 hybrid stepper motor in the E Hybrid Stepper Motors series, with a holding torque of 957 oz-in and a rated current of 3.8 A per phase. It features SIGMAX construction, Class B insulation rated for 130°C, and operates in temperatures from -20°C to 40°C. The motor is splashproof with a 6-lead connection style, weighs 10.9 pounds, and supports a maximum axial force of 400 pounds.
Internal Product Review
The E41HLET-LNK-NS-00 is a Kollmorgen hybrid stepper motor in a NEMA 42 frame with 957 oz-in holding torque. SIGMAX construction and a 1.8° step angle support stable low-speed positioning and consistent motion quality. For demanding indexing duty, the max-torque-at-low-speed winding and 3.8 A/phase rating make the motor a strong performer.
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Product Description:
The E41HLET-LNK-NS-00 is a hybrid stepper motor produced by Kollmorgen within the E Hybrid Stepper Motors series. As a two-phase positioning device, it converts pulse trains from an indexer into discrete angular increments so machine tools, pick-and-place axes, or packaging spindles can hold or advance loads without a feedback sensor. Kollmorgen’s SIGMAX magnetic design allows the motor to deliver high detent precision while fitting within the space commonly available for large flanged actuators.
The motor provides a 957 oz-in holding torque when the windings receive a drive current of 3.8 A per phase through the six-lead configuration, which supports series or parallel hookup. Each phase presents 1.21 Ω of resistance and 9.0 mH of inductance, and these values influence driver voltage selection and acceleration rates. With a 1.8-degree step angle, the rotor advances through 200 positions per revolution with an accuracy of ±1.5%. The single-stack design concentrates magnetic flux to maximize torque at low speeds. Rotor inertia is 0.080 oz-in-s², while a thermal resistance of 1.8 °C/W allows heat to flow into the heavy-duty NEMA 42 frame. Continuous operation is supported across a temperature range of -20 °C to +40 °C. Class B insulation has a temperature rating of 130 °C and a voltage rating of 340 VDC.
The shaft tolerates an 400 lb axial load and a 140 lb radial load without damage under rated operating conditions. The motor uses a smooth output shaft for connection to compatible couplings and driven components. Its total mass is 10.9 lb, and the heavy-duty flange provides a rigid mounting interface for machinery. A 1/2-inch NPS conduit entry routes the splash-proof leads directly to an internal terminal board, keeping the external wiring organized and protected. Insulation integrity is supported by a resistance of 100 megohms, which helps prevent leakage current between conductors and the motor housing.
