E33NRHT-LNN-NS-00 Kollmorgen
Wake Industrial LLC is not an authorized distributor of this product.
The Kollmorgen E33NRHT-LNN-NS-00 is part of the E Hybrid Stepper Motors series and features a NEMA 34 frame size with SIGMAX construction. This stepper motor offers a holding torque of 975 oz-in, a rated current per phase of 5.1 A, and operates within a temperature range of -20°C to +40°C. The motor has a step angle of 1.8 degrees, 200 steps per revolution, and weighs 7.6 pounds.
Internal Product Review
The E33NRHT-LNN-NS-00 is a Kollmorgen hybrid stepper motor built in a NEMA 34 frame with 975 oz-in holding torque. A 1.8-degree step angle paired with 200 steps per revolution supports accurate, consistent motion in indexing applications. Regular leadwire connection and winding optimized for maximum torque at low speed make the unit a strong choice for demanding positioning duties.
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Product Description:
The E33NRHT-LNN-NS-00 is a hybrid stepper motor manufactured by Kollmorgen for the E Hybrid Stepper Motors series. It receives step and direction pulses from a drive and converts them into controlled shaft rotation. This operation allows open-loop positioning for pick-and-place heads, indexing tables, and light machining axes in industrial automation.
With a NEMA 34 frame, the motor uses SIGMAX construction and three magnetic stacks to increase flux density and torque output. It develops 975 oz-in of holding torque when each winding is driven at 5.1 A through the four-lead parallel connection. The copper windings have a resistance of 0.61 Ω per phase and an inductance of 7.1 mH, providing a low electrical time constant for rapid current rise. Regular lead wires exit the housing, and the mounting flange follows the NEMA pattern for direct attachment. A thermal resistance of 2.0 °C/W allows heat to move from the coils to the case. Class B insulation is rated for 130 °C and provides an insulation resistance of 100 MΩ with a dielectric withstand voltage of 340 VDC. The winding style is optimized for maximum torque at low speed, while the rotor inertia of 0.025 oz-in-s² supports fast acceleration with minimal overshoot. Step accuracy remains within ±1.5%, producing 200 discrete steps per revolution.
The smooth shaft rotates 1.8 degrees per full step and can withstand up to 35 lb of radial force and 180 lb of axial load without premature bearing wear. The motor has an overall length of 5.06 inches, and the assembly weighs 7.6 lb, which facilitates installation on medium-sized gantries or frames. Continuous operation is permitted from -20 °C to +40 °C. The four-lead connection supports operation with a compatible bipolar stepper drive selected for the available supply voltage and required current.
