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M21NRFA-LNF-NS-02

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The M21NRFA-LNF-NS-02 is a high performance stepper motor from the POWERMAX II M Series stepper motor system by Pacific Scientific. It has a series connection and provides a holding torque of 140 Nm, which makes the product suitable for high demanding applications. The motor draws a rated current of 2.8A with phase resistance of 0.92 Ohm and phase inductance of 2.8mH. This is evident from its moderate weight of 0.68 kg and high torque as well as thermal resistance capability.

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Product Description

M21NRFA-LNF-NS-02 model is considered one of the best products in the Pacific Scientific POWERMAX II M Series that combines high-level performance with industrial applicability. Its holding torque can reach 140 Nm, which differentiates it from other competitors and rivals, particularly in condition that requires accuracy and dependability. This stepper motor is connected in series and the consistency and stability of the motor are important to maintain the operation accuracy in the manufacturing process. The motor has a rated current of 2.8 A, its phase resistance of 0.92 Ohms and phase inductance of 2.8 mH are clear indication of efficient electrical design that allows motor to consume less power and produce more heat.

Measuring 0.68 kg, the motor is light and provides a high power to weight ratio, making it possible to install it in small setups where size and weight are very important. However, unlike other lightweight frames, this M21NRFA-LNF-NS-02 is constructed from high-quality materials that can be used for robust and long hours work. The motor is developed for operating situations where precise, steady output and high torque is needed to drive the system with great efficiency. This makes it convenient for intricate applications like controlling of robot arms, driving Computer Numerical Control machinery, and powering of other physical inspections and solitary automation systems.

Due to its features such as power, durability and thermal, it is widely used as a standard component in high-performance industrial applications for stable long-term usage. Through inclusion of this motor in their systems, engineers and technicians can attain quality motion control and endurance hence improving productivity and reliability in various sectors. Used across production line manufacturing environments or laboratory research, the M21NRFA-LNF-NS-02 defines stepper motor performance.

M21NRFA-LNF-NS-02 Technical Specifications

Connection Type: Series
Holding Torque: 140 Nm
Rated Current: 2.8 A
Phase Resistance: 0.92 Ohm
Phase Inductance: 2.8 mH
Detent Torque: 0.066 Nm
Thermal Resistance: 5.5 oC/W
Rotor Inertia: 12 kgm^2
Weight: 0.68 kg

Frequently Asked Questions about M21NRFA-LNF-NS-02


Q: What is the holding torque of the M21NRFA-LNF-NS-02 motor?

A: The motor provides a holding torque of 140 Nm, making it suitable for demanding applications.

Q: What is the rated current for this stepper motor?

A: The M21NRFA-LNF-NS-02 has a rated current of 2.8 A.

Q: What are the phase resistance and phase inductance values of this motor?

A: The phase resistance is 0.92 Ohms, and the phase inductance is 2.8 mH.

Q: How much does the motor weigh?

A: The motor weighs 0.68 kg, making it lightweight yet robust.

Q: What type of applications is this motor designed for?

A: The M21NRFA-LNF-NS-02 is designed for applications requiring high precision and regulated output, such as robotics, CNC systems, and automation.

Internal Product Review

  • ‘‘The M21NRFA-LNF-NS-02 stepper motor from the POWERMAX II M Series is an industrial high-precision stepper motor from the Pacific Scientific Company. These include the holding torque of 140 Nm, the rated current of 2.8 A, and the equally useful lightweight of only 0.68 kg. Durable in construction and possessing good thermal properties, it is the right product for use in harsh conditions.’’

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