N42HLHL-LSS-NS-03 Pacific Scientific
Wake Industrial LLC is not an authorized distributor of this product.
The Pacific Scientific N42HLHL-LSS-NS-03 is a stepper motor from the POWERPAC N Stepper Motors series featuring a heavy duty NEMA 42 frame and a holding torque of 22.2 Nm. It offers 200 full steps per revolution with a step angle of 1.8 degrees and step accuracy of ±3%. The motor has a square frame dimension of 4.325 inches and a length of 150 mm, utilizing a 4 lead parallel configuration and laminated rotor design.
Internal Product Review
The N42HLHL-LSS-NS-03 is a Pacific Scientific stepper motor with a NEMA 42 frame and heavy-duty NEMA mounting. A 1.8° step angle and ±3% step accuracy support consistent positioning in demanding motion systems. The 22.2 Nm holding torque stands out as a strong performance advantage for high-load indexing applications.
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Product Description:
The N42HLHL-LSS-NS-03 is a stepper motor manufactured by Pacific Scientific and supplied under the POWERPAC N Stepper Motors series. Designed for indexing tables, gantries, and material-handling axes, the unit converts electrical pulse trains into incremental shaft movement with high repeatability for industrial automation tasks. Because no feedback device is fitted, the drive electronics use commanded step counts to estimate the shaft position during operation.
The motor provides a holding torque of 22.2 Nm, allowing the shaft to resist movement while the windings remain energized at standstill. Each electrical cycle advances the rotor through 200 full steps per revolution, and the basic step angle of 1.8° provides fine incremental resolution. Position error is limited to ±3% of a step, supporting open-loop positioning systems that do not require encoders. The 4-lead parallel winding permits low-impedance drive connections. A laminated rotor, standard winding package, and two-stack magnetic circuit increase torque density while keeping inertia moderate. The motor uses standard construction and accepts heavy-duty NEMA mounting. A splash-proof conduit entry ends in a ½ in. NPSC pipe thread, allowing field cables to be routed directly to the terminal board.
The electrical insulation has a resistance rating of 100 megohms, which limits leakage current in humid plant environments. The windings can withstand up to 340 Vdc, allowing operation with compatible high-voltage stepper drives. The housing follows the NEMA 42 frame code and has a 4.325 in. square frame for heavy-duty mounting arrangements. Its overall length is 150 mm, allowing the motor to fit into compact equipment while delivering high holding torque. Precision frame machining keeps the internal components concentric with the shaft, helping minimize runout during rapid start-and-stop duty cycles. The short housing also reduces the axial space required behind the mounting surface, which is useful in equipment with restricted motor clearance.
