E42HLFA-LSK-NS-03 Kollmorgen
Wake Industrial LLC is not an authorized distributor of this product.
The Kollmorgen E42HLFA-LSK-NS-03 is part of the E Hybrid Stepper Motors series and features SIGMAX construction with a NEMA 42 frame size. This motor has a holding torque of 19.0 newton-meters in parallel and operates with phase currents of 5.9 amps in parallel and 2.9 amps in series. It includes a smooth shaft, heavy duty NEMA mounting style, and eight connection leads.
Internal Product Review
The E42HLFA-LSK-NS-03 is a Kollmorgen hybrid stepper motor featuring a NEMA 42 frame and SIGMAX construction. With 19.0 N·m holding torque in parallel and ±1.5% step accuracy, the unit delivers strong positioning performance for demanding motion applications. Splashproof conduit-board connection and heavy-duty NEMA mounting make this motor a very capable choice for industrial integration.
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Product Description:
The E42HLFA-LSK-NS-03 belongs to the E Hybrid Stepper Motors series manufactured by Kollmorgen. As a hybrid stepper motor, it combines permanent-magnet and variable-reluctance techniques to provide incremental position control for packaging stations, indexing tables, and other open-loop automation axes. The motor completes 200 commanded steps per revolution, providing predictable motion without an encoder or resolver.
The motor occupies a NEMA 42 frame and mounts through the heavy-duty NEMA flange provided for the series. When wired in parallel, it can deliver up to 19.0 N·m of static holding torque while drawing 5.9 A per phase from the drive. Series wiring lowers the current demand to 2.9 A per phase at reduced torque, making the motor suitable for drives with limited current capacity. Each commanded step advances the shaft by 1.8 degrees, and an accuracy of ±1.5% supports repeatable positioning without cumulative step error. The lamination stack uses Kollmorgen’s SIGMAX construction, and the two-stack rotor is coupled to a smooth shaft to minimize bearing loads. Eight leads support flexible series or parallel connections through the conduit connector, and continuous operation is supported across an ambient temperature range of -20 °C to +40 °C.
Electrical characteristics include a phase inductance of 16.6 mH with parallel wiring or 66.5 mH with series wiring. The corresponding phase resistances are 0.74 Ω and 2.96 Ω, allowing the drive voltage and wiring arrangement to be matched to the required slew rate. The windings meet Class B 130 °C thermal limits and maintain an insulation resistance of 100 MΩ. They also withstand 340 Vdc, providing electrical isolation between the windings and motor housing. The housing is splashproof and uses a ½-inch NPS pipe-thread conduit entry that routes the motor leads to an internal terminal board.
