E33HRHS-LNK-NS-03 Kollmorgen
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The Kollmorgen E33HRHS-LNK-NS-03 is a hybrid stepper motor from the E Hybrid Stepper Motors series featuring a NEMA 34 frame size and heavy duty mounting style. It has a motor body diameter of 3.38 inches, a motor length of 5.33 inches, and uses SIGMAX construction. The motor provides a step angle of 1.8 degrees with 200 steps per revolution, and offers a shaft diameter of 0.5 inches with a smooth shaft modification.
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Product Description:
The E33HRHS-LNK-NS-03 is a hybrid stepper motor manufactured by Kollmorgen for the E Hybrid Stepper Motors series. The unit converts timed drive pulses into discrete shaft movements, enabling accurate indexing, pick-and-place movement, and light-force positioning in industrial automation systems. Its hybrid design combines permanent-magnet and variable-reluctance elements to provide precise open-loop positioning without requiring external feedback, which simplifies machine wiring and controller integration.
With a frame size of NEMA 34, the motor measures 3.38 in across the body and up to 5.33 in in length. The heavy-duty flange transfers radial loads into the machine frame and supports stable alignment during repeated start-stop cycles. A 0.5000 in smooth shaft extends 1.25 in from the housing and includes a 0.125 in key for positive engagement with keyed couplings. SIGMAX construction uses skewed laminations to increase torque density in the three-stack rotor. The motor uses standard lead wires, with four parallel leads exiting the housing for connection to the drive. Each drive pulse rotates the rotor by 1.8 degrees, producing 200 steps during one complete revolution. Total positioning error remains within ±1.5 %, supporting consistent movement across the motor’s operating range.
The winding system has a Class B, 130 °C thermal rating and an insulation resistance of 100 megohms, which helps limit electrical leakage. The coil has a dielectric withstand rating of 340 V DC, allowing use with compatible microstepping drives. The permitted ambient operating range is -20 °C to +40 °C, and the leads have a minimum conductor size of 18 AWG to carry current without excessive heating under appropriate operating conditions. A minimum lead length of 12 in provides adequate reach for field connections inside the machine. The three rotor stacks and SIGMAX flux paths promote smooth torque delivery during acceleration, deceleration, and low-speed positioning. The heavy-duty mounting arrangement helps maintain shaft alignment when the motor is exposed to repeated indexing loads.
