E43HLHT-LNK-NS-00 Kollmorgen
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The Kollmorgen E43HLHT-LNK-NS-00 is part of the E Hybrid Stepper Motors series and features a NEMA 42 frame size with a heavy duty mounting style. This motor offers a holding torque of 27.8 Nm, a step angle of 1.8 degrees, and operates at a rated current of 7.9 Amps per phase. It has SIGMAX construction, a class B insulation rating of 130°C, and a 108.71 mm body diameter with an overall length of 268.23 mm.
Internal Product Review
The E43HLHT-LNK-NS-00 is a Kollmorgen hybrid stepper motor with a NEMA 42 frame and heavy-duty NEMA mounting for confident machine integration. A max-torque-at-low-speed winding and 27.8 Nm holding torque give the motor an especially capable positioning profile. A 1.8-degree step angle and ±1.5% step accuracy support clean, repeatable motion.
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Product Description:
The E43HLHT-LNK-NS-00 hybrid stepper motor is produced by Kollmorgen within the E Hybrid Stepper Motors series. Designed for positioning and indexing tasks, it converts discrete command pulses into precise angular motion for machinery such as pick-and-place heads, conveyors, and small presses. The unit combines permanent-magnet and variable-reluctance technology to deliver high detent torque without feedback devices, making it suitable for industrial automation applications where open-loop accuracy is acceptable.
Its mechanical envelope matches the NEMA 42 frame, with a 108.71 mm body diameter and a heavy-duty mounting face. The smooth shaft couples to gearboxes or timing pulleys, while splash-resistant wiring runs to a terminal board through a 1/2-inch NPS conduit connector using a four-lead parallel configuration. The motor provides a holding torque of 27.8 Nm. To reach this value, each phase is energized at 7.9 A and has a resistance of 0.60 ohms, which limits copper loss. The phase inductance is 11.8 mH, allowing compatible drives to apply high pulse rates without excessive current ripple. Its SIGMAX magnetic design supports maximum torque at low speeds. With 200 steps per revolution and an accuracy of ±1.5%, the motor provides fine incremental control for repeatable positioning tasks.
The three-stack rotor adds detent stiffness and extends the overall body length to 268.23 mm. Thermal protection is provided by insulation rated at Class B, 130 °C. The insulation resistance is 100 MΩ, and the windings withstand a potential of 340 VDC between the windings and frame. Continuous operation is permitted from -20 °C to +40 °C, allowing the motor to operate in unconditioned enclosures within this temperature range. A fundamental step angle of 1.8 degrees works with microstepping drives to produce smaller commanded increments. The winding profile maintains strong torque through the first few hundred revolutions per minute, supporting controlled movement of loads with substantial inertia.
