Description
Unboxing & Physical Snapshot
- Model & Brand: Pacific Scientific H32NCHA-LNN-NS-00
- Equipment type: H Series hybrid stepper motor.
- Step angle: 1.8°.
- Frame size: NEMA 23, approximately 2.25 in. frame diameter.
- Mounting configuration: NEMA mounting configuration.
- Holding torque: Approximately 3.14 N·m (445 oz-in.) under the cited operating conditions.
- Shaft configuration: Single/smooth shaft configuration is reported for this part number.
- Winding: Reported as a 4-lead parallel winding configuration.
- Physical dimensions: Verify from the OEM mechanical drawing. The NEMA 23 frame designation does not establish the motor’s complete length, shaft projection, or connector envelope.
- Estimated shipping weight: Weigh the actual packed unit. A generic seller listing of 2 kg should not be treated as an authoritative FANUC-style shipping specification.
- What’s in the box: Motor, shaft protection, connector/lead protection, and OEM documentation only if included with the actual inventory lot.
Product Introduction
Architecture hook: The H32NCHA-LNN-NS-00 is a Pacific Scientific H Series hybrid stepper motor intended for precision motion applications. Its NEMA 23 mechanical envelope, 1.8° step angle, single smooth shaft, and winding configuration are the primary identity characteristics that should be matched against the installed motor and stepper drive.
Do not classify this part as a generic “NEMA 23 motor.” The complete suffix carries configuration information, while the motor’s electrical characteristics must also match the drive. One reseller describes the part as a 3.14 N·m / 445 oz-in. holding-torque hybrid stepper; use that figure only as a preliminary identification reference and confirm the original manufacturer’s torque/current data before commissioning.
Core Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Pacific Scientific |
| Series | H Series |
| Model | H32NCHA-LNN-NS-00 |
| Motor Type | Hybrid stepper motor |
| Step Angle | 1.8° |
| Frame | NEMA 23 |
| Approx. Frame Diameter | 2.25 in. |
| Mounting | NEMA configuration |
| Holding Torque | Approx. 3.14 N·m / 445 oz-in. |
| Shaft | Single, smooth shaft |
| Winding | 4-lead parallel winding reported |
| Rotor Configuration | 2 rotor sets reported |
| Rated Current | Verify OEM motor data |
| Phase Resistance | Verify OEM motor data |
| Phase Inductance | Verify OEM motor data |
| Rated Voltage | Verify from motor/drive documentation |
| Motor Length | Verify mechanical drawing |
| Motor Weight | Measure actual unit |
| Operating Temperature | Verify OEM specification |
| Storage Temperature | Verify OEM specification |
| Cooling | Verify application-specific requirements |
| Firmware | Not applicable to the passive motor itself |

Pacific Scientific H32NCHA-LNN-NS-00
The torque/current combination must be verified before selecting the replacement drive settings. A stepper motor can be mechanically interchangeable while being electrically unsuitable for the existing driver.
? Global Compliance & Industry Certifications
For this legacy industrial motor, certification should be established from the exact nameplate, manufacturing revision, and original documentation.
- CE Mark: Verify whether the particular motor/assembly was supplied under an applicable European conformity declaration.
- UL/cUL: Verify exact recognition or listing for the motor and its intended drive/system configuration.
- ATEX / IECEx: No evidence located here establishes hazardous-area certification for H32NCHA-LNN-NS-00. Do not use it in a classified hazardous location without explicit certification.
- Marine approvals: DNV or other marine classification should not be inferred from the model number.
- RoHS/environmental documentation: Verify the applicable manufacturing revision if environmental compliance documentation is required for procurement.
For machine safety, the motor-to-drive electrical match is more important than a superficial mechanical match. Incorrect phase current or wiring can cause excessive heating, loss of torque, or drive protection trips.
Verify specific lot certifications with OEM.
? Long-Term Storage & Asset Preservation Guide
- Protect the shaft and bearings. Store the motor horizontally or in the OEM-recommended orientation, with the smooth shaft protected against impact and side loading. Do not stack other equipment against the shaft.
- Control humidity and condensation. Keep the motor in a dry warehouse environment and retain its original packaging where possible. For long-term storage, use moisture protection appropriate to the packaging system rather than exposing the motor to repeated condensation cycles.
- Protect the electrical leads and connectors. Keep exposed terminals covered and prevent oil, dust, and metal particles from contacting the winding leads. Before installation, inspect insulation, lead terminations, shaft condition, and visible corrosion.
After several years on the shelf, check bearing feel and shaft condition before coupling the motor to production equipment. Do not use excessive manual torque to “free up” a motor that feels mechanically abnormal.

Pacific Scientific H32NCHA-LNN-NS-00
Physical Installation Prerequisites
- Confirm the NEMA 23 mounting pattern, pilot diameter, motor length, shaft diameter, shaft projection, and mounting-hole depth against the machine drawing.
- Provide adequate clearance around the motor for cable access, shaft coupling, ventilation, and service work.
- Do not use the motor shaft to pull the motor into alignment with the machine coupling.
- Align the coupling carefully; excessive radial or axial loading can shorten bearing life.
- Verify the phase/winding connection against the stepper-drive documentation before applying power.
- Set drive current according to the verified motor specification. Do not copy current settings from another NEMA 23 motor merely because its frame is identical.
- Establish the required protective grounding/bonding arrangement for the complete machine and drive installation.
- Keep motor leads routed according to the machine’s electrical-noise control practices, particularly where encoder, analog, or low-level control wiring is nearby.
Buyer’s FAQ
Q: What HS Tariff Code should be used for H32NCHA-LNN-NS-00?
A: Classify it according to its confirmed function as an electric stepper motor and the applicable tariff schedule of the importing country. The NEMA frame designation alone is not sufficient evidence for customs classification.
Q: What should be documented for Country of Origin?
A: Record the origin shown by the physical nameplate or supported by the supplier/OEM documentation. Do not infer COO from the seller’s warehouse, shipping port, or corporate brand location.
Q: Should shipping insurance be purchased?
A: Consider insurance when the motor is a critical or difficult-to-source spare. Protect the shaft, mounting face, and electrical leads against impact, then photograph the nameplate and mechanical condition before closing the shipping carton.
Q: Does this motor contain the latest firmware?
A: No firmware should be expected in the motor itself. This is a hybrid stepper motor, not a programmable controller. The critical commissioning data are the exact motor winding, current, torque, mechanical configuration, and compatible stepper-drive .



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