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N32HLHJ-LNK-NS-01 Pacific Scientific

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The Pacific Scientific N32HLHJ-LNK-NS-01 is a stepper motor from the POWERPAC N Stepper Motors series featuring a 3.38 inch square NEMA 34 frame and a motor length of 133 millimeters. It delivers a holding torque of 8.6 Newton-meters and achieves 200 full steps per revolution with a 1.8 degree step angle. The motor has a single shaft with a straight key and includes a shaft seal, while its connection style is splashproof to the terminal board via conduit.

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Product Description:

The N32HLHJ-LNK-NS-01 is a stepper motor produced by Pacific Scientific in the POWERPAC N Stepper Motors series. Intended for industrial automation, the unit translates drive pulses into accurate rotary motion so indexing conveyors, cut-to-length knives, and small gantry axes reach repeatable positions without closed-loop feedback. With its heavy-duty mounting pattern and sealed shaft, it suits environments where moderate washdown and mechanical shock can be expected.

The NEMA 34 flange establishes industry-standard pilot and bolt dimensions, while a 3.38 in. square frame sets the body envelope; overall length is 133 mm. Two rotor stacks and laminated cores work with standard windings to produce 8.6 Nm of holding torque. Each electrical step shifts the rotor by 1.8°, giving 200 full steps per revolution, and motion remains within a ±3% accuracy band under rated current. A single shaft with a straight key simplifies coupling, and a shaft seal helps prevent lubricant leakage. Heavy-duty NEMA mounting holes allow direct fastening to plates or gearheads, and the motor operates in standard open-loop control because no feedback device is installed.

The windings carry up to 340 Vdc, and insulation paths test to 100 Megohms, limiting leakage during rapid temperature swings. A 4-lead parallel configuration presents low phase resistance for higher current microstepping, while the conduit entry is tapped with a 1/2 in. NPSC pipe thread that provides a splash-proof route to the terminal board. This connection style removes external glands and helps keep moisture away from live conductors. Standard construction materials dissipate heat through the frame so cyclic starting duties stay inside thermal limits. The motor is suitable for synchronized feeders, bottle cappers, and moderate-speed XY tables.

Conduit Thread
1/2 in. NPSC pipe thread
Connection Style
Splashproof to terminal board via conduit
Construction type
Standard construction
Encoder Type
No feedback
Frame dimensions
3.38 in. square frame
Frame Type
NEMA 34
Full Steps per Revolution
200
Holding Torque
8.6 Nm
Insulation Resistance
100 Megohms
Insulation Voltage Rating
340 Vdc
Leadwire Configuration
4 lead parallel
Motor Length
133 mm
Mounting Type
Heavy duty NEMA
Product Type
Stepper Motor
Rotor Design
Laminated
Shaft Design
Single
Shaft Feature
Straight key
Shaft seal
with shaft seal
Stack Length
2 stacks
Step Accuracy
± 3%
Step Angle
1.8°
Winding type
Standard
  • N32-HLHJ-LNK-NS-01
  • N32HLHJ LNK NS 01
  • N32HLHJ-LNK-NS-O1
  • N32HLHJLNKNS01

Fault / Symptom

Probable Cause / What It Means

Corrective Action

Stall or loss of steps around 200–300 rpm

Rotor-load resonance at the motor’s natural frequency

Use micro-stepping or change the acceleration profile to pass quickly through the resonant band 

Strong vibration / audible “buzz” at very low speed

Low-speed mechanical resonance excited by full-step drive mode

Enable anti-resonance or higher-resolution micro-stepping; increase supply voltage slightly if the drive permits :

Motor housing > 80 °C during continuous hold

Drive current set above 5.1 A / phase or duty-cycle too high

Reduce peak and hold currents in the drive, improve airflow or add a small fan/heatsink 

Unsteady motion or random step loss

Loose phase lead or mis-wired coil pair opens intermittently

Verify coil pairs with ohmmeter, re-terminate connectors, use strain relief on cable 

Low torque at target speed

Supply voltage too low for 1500 rpm / inductance 206 mH

Use a higher-bus driver (up to 65 V DC), change to parallel wiring, or gear down the load

Excessive noise while holding

Drive keeps 100 % current at stand-still (idle reduction off)

Enable “idle-current cut-back” (E-5 jumper or software flag) to 50 % of run current 

Driver over-temperature fault after long move

High ambient and repeated high-current moves saturate heat sink

Add panel ventilation or heat sink to the drive; consider derating move profile 

Motor does not energise on power-up

65 V bus or logic supply missing; enable line inactive

Check 65 VDC supply fuse, logic +5 V, and drive enable input; verify LED status 

Step position drifts gradually in long runs

Mid-range resonance causes occasional micro-step slip

Activate anti-resonance feature in the drive or avoid operating at the resonant step rate 

Shaft “locks up” hard when power applied

Coils energised out-of-sequence after wiring change

Re-check phase order (AB/AB) and match drive phase-A to motor black/orange pair

Model

Holding Torque (N·m)

Rated Current (A/phase)

Phase Resistance (Ω)

Inductance (mH)

Mass (kg)

N32HLHJ-LNK-NS-01

27.9

5.1

0.63

206

3.8

N32HRFM-LNK-NS-00

8.58

10

0.18

1.8

3.81

N32HRFL-LNK-NS-00

8.47

8.1

0.26

2.6

8.4

K32HRFL-LNK-NS-00

10.69

8.1

0.26

2

8.4

K32HRFM-LNK-NS-00

10.83

10

0.18

1.4

3.81

N31HRFL-LNK-NS-00

4.59

8.6

0.18

1.4

2.27

Error Code / LED

Meaning (Detected Condition)

OC

Phase-to-phase or phase-to-neutral short / over-current trip

OV

Bus over-voltage (> ~85 V DC)

UV

Internal power-supply under-voltage (< ~24 V DC)

OT

Drive heat-sink over-temperature (≈85 °C)

MO

Motor over-temperature (winding > 90 °C)

ST

Stall / loss-of-sync detected by stall-guard (step error)

EE

EEPROM checksum error at power-up

ENC

Encoder / indexer signal fault (illegal sequence)

OS

Over-speed error (step-rate exceeds 2 MHz)

GEN

General fault – “Enabled” output OFF (drive disabled)

Frequently Asked Questions about N32HLHJ-LNK-NS-01:

Q: What is the holding torque of the N32HLHJ-LNK-NS-01 stepper motor?

A: This model produces a holding torque of 8.6 Nm, offering substantial force for positioning applications.

Q: What kind of shaft and sealing does the N32HLHJ-LNK-NS-01 have?

A: The N32HLHJ-LNK-NS-01 features a single shaft with a straight key and an integrated shaft seal.

Q: How many steps per revolution does the N32HLHJ-LNK-NS-01 stepper motor provide?

A: This stepper motor provides 200 full steps per revolution, with each step at a 1.8° angle.

Q: What are the frame specifications of the N32HLHJ-LNK-NS-01?

A: The N32HLHJ-LNK-NS-01 is built with a NEMA 34 heavy duty frame, measuring 3.38 inches square.

Q: What type of leadwire configuration is used in the N32HLHJ-LNK-NS-01?

A: This motor uses a 4-lead parallel leadwire configuration.


Internal Product Review

  • ‘‘The N32HLHJ-LNK-NS-01 is a Pacific Scientific stepper motor in a NEMA 34 frame with 8.6 Nm holding torque. A 1.8° step angle and ±3% step accuracy support consistent indexing and reliable positioning performance. An excellent choice for dependable open-loop motion service.’’

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