M21NRXC-LSN-NS-05

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The M21NRXC-LSN-NS-05 motor from Pacific Scientific offers a holding torque of 144 oz-in, a laminated rotor design, and weighs 0.68 kg. Part of the POWERMAX II M Motors series, it features a splashproof sealed design (LSN) and operates with rated current of approximately 1.75 A DC per phase.

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Product Description:

The M21NRXC-LSN-NS-05 unit comes from the Pacific Scientific POWERMAX II M Motors line within its M21 range of hybrid stepper motors.

The motor fits into high-performance motion control systems because we built it using NEMA 23 frame technology to balance torque output and design size. The coil structure combines laminated and single-stacked rotor layers to deliver both top performance and dependable mechanical properties. The motor produces 144 oz-in holding force at 1.02 Newton meters, which enables applications needing compelling precision holding without movement. The component includes a strong 9.4 oz-in stopping force that maintains its position even when no power is supplied. The motor shows electrical data such as an 8 mH series phase inductor and 2 mH parallel phase inductor alongside 2.12 ohms series phase resistance. Each phase of the stepper motor receives a steady supply of 1.75 DC amperes, which handles normal electric current well. The device has a thermal resistance of 5.5 °C/W to keep the motor running optimally through heat dissipation.

At 1.5 pounds, this sturdy motor carries a weight of 0.68 kilograms (0.68 kg) for easy installation in tight space applications. This M21NRXC-LSN-NS-05 model doesn't have an encoder to reduce costs while working in open-loop control systems. The M21NRXC-LSN-NS-05 features both a sealed and splashproof design that uses standard shaft sealing to prevent material entry in environments with possible moisture or dust exposure. The "05" revision code refers to a specific model configuration or option selection. This POWERMAX II® stepper motor produces steady torque while resisting challenges to deliver results across different production tasks. It can be purchased at Wake Industrial with a one-year warranty.

Detent Torque
9.4 oz‑in
Enclosure Seal
LSN (splashproof w/ shaft seal)
Encoder
None (NS)
Frame Size
NEMA 23
Holding Torque
144 oz‑in (1.02 Nm)
Motor Series
M21 POWERMAX II Hybrids
Parallel Phase Inductance
2 mH
Rated Current
1.75 A/phase
Revision Code
05
Rotor Stack
1
Rotor Type
Laminated
Series Phase Inductance
8 mH
Series Phase Resistance
2.12 Ω
Thermal Resistance
5.5 °C/W
Weight
0.68 kg (1.5 lb)

Frequently Asked Questions about M21NRXC-LSN-NS-05:

Q: What is the holding torque of the M21NRXC-LSN-NS-05 motor?

A: The M21NRXC-LSN-NS-05 offers a holding torque of 144 oz-in (1.02 Nm), making it suitable for applications requiring stable, precise positioning.

Q: Does the M21NRXC-LSN-NS-05 include an encoder?

A: No, the M21NRXC-LSN-NS-05 does not come with an encoder, making it ideal for cost-effective open-loop control systems.

Q: What frame size does the M21NRXC-LSN-NS-05 use?

A: The M21NRXC-LSN-NS-05 uses the NEMA 23 frame size, offering a balance between compact dimensions and torque output.

Q: Is the M21NRXC-LSN-NS-05 motor resistant to moisture or dust?

A: Yes, the M21NRXC-LSN-NS-05 features a sealed and splashproof design, protecting environments with potential exposure to dust or moisture.

Q: What is the phase current rating for the M21NRXC-LSN-NS-05?

A: Each phase of the M21NRXC-LSN-NS-05 motor is rated for a steady 1.75 DC amperes, ensuring stable current handling during operation.


Internal Product Review

  • ‘‘The M21NRXC-LSN-NS-05 from Pacific Scientific’s POWERMAX II M series is a durable and efficient stepper motor perfect for precision open-loop systems. Its rugged build and splashproof sealing make it an excellent fit for demanding motion control applications.’’

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