E33NRHA-LN-NS-00 by Kollmorgen

The Kollmorgen E33NRHA-LN-NS-00 hybrid stepper motor from the E Hybrid Stepper Motors series delivers a robust solution for demanding industrial automation tasks. With a 940 Nm holding torque and an 8.6 A rated current per phase, this motor combines high force output with precise current control to meet rigorous performance requirements. The laminated rotor design and 0.23 ohm phase resistance enhance efficiency and stability under dynamic loads, while the 2.3 mH phase inductance ensures smooth current transitions for precise positioning. Engineered by Kollmorgen, the E33NRHA-LN-NS-00 supports parallel lead configurations and maintains consistency across varied operating conditions. Its rugged construction and high torque density make it ideal for applications requiring sustained force and accurate motion control.

Electrical specifications are engineered for peak industrial performance. Each phase of the E33NRHA-LN-NS-00 can withstand an insulation voltage rating of 340 VDC and meets Class B 130°C insulation class standards to ensure reliable operation at elevated temperatures. The motor features 0.025 kg·m² rotor inertia and a multi-stack architecture of 3 rotor stacks, delivering consistent torque throughout acceleration and deceleration cycles. Shaft loading capabilities include 801 N axial force and 156 N radial force, supporting heavy mechanical loads without compromising precision. The standard NEMA 34 frame accommodates straightforward mounting and alignment in compact machine designs.

Operational features optimize performance in high-stress environments. The regular leadwire construction and parallel coil wiring facilitate flexible installation and simplified maintenance procedures. With a 25.0 °C/W thermal resistance, heat dissipation is managed effectively, reducing thermal buildup during extended operation. The motor’s laminated rotor design minimizes eddy current losses, improving both efficiency and responsiveness. Weighing just 3.45 kg, the E33NRHA-LN-NS-00 achieves a favorable power-to-weight ratio for agile automation systems.

System integration is simplified through compatibility with standard stepper drivers and parallel drive modules, supporting precise microstepping and torque control. The E33NRHA-LN-NS-00 is tailored to industrial sectors such as robotic assembly, packaging machinery, textile equipment, and precision positioning systems. Its combination of high holding torque, tight electrical tolerances, and robust thermal management makes it an optimal choice for next-generation automated production lines. This stepper motor ensures reliable, high-performance operation in the most demanding industrial environments.