NIDEC 402.781 Motor

( Brand: Nidec ), ( Part Type: Motor ), ( Manufacturer Part Number: 402.781 )

Review NIDEC New Low Speed Motor

The Nidec 402.781 motor is a powerful and efficient permanent magnet AC (PMAC) motor designed for various industrial applications. This motor boasts an impressive power output of 30 kW at 400 volts, making it suitable for handling demanding tasks. It comes with a standard IEC Class F insulation system, allowing it to operate in ambient temperatures up to 55 C (131 F), ensuring reliable performance even in challenging environments.

The Nidec 402.781 motor features a compact and robust design, boasting a frame size of 230 x 250 mm. Its weight is approximately 188 kg (414 lbs), making it a decent choice for applications that require a significant power output but have limited space. The motor's dimensions and weight are well-balanced, facilitating easy installation and integration into industrial machinery.

The PMAC technology utilized in this motor provides several advantages, including high power density, excellent efficiency, and a long service life. This motor can achieve an efficiency level of up to 95%, minimizing energy waste and reducing operational costs. Its high power density also allows for more power to be generated in a smaller space, making it an ideal choice for space-constrained applications.

The Nidec 402.781 motor is equipped with a cooling fan, which ensures efficient heat dissipation, maintaining the motor's temperature within the specified operating range. The motor's robust construction includes heavy-duty bearings and high-quality insulation materials, ensuring its durability and longevity.

The motor is designed to operate at a standard frequency of 50/60 Hz and comes with a built-in overload protection mechanism, safeguarding the motor from potential damage due to overloading. Additionally, it is compatible with various control systems, providing flexibility in application design and implementation.

In summary, the Nidec 402.781 motor is a high-performance, powerful, and efficient PMAC motor, well-suited for industrial applications requiring a significant power output. Its compact design, robust construction, and advanced technology make it a reliable and cost-effective choice for various industrial applications.

Nidec 402.781 Motor: A Comprehensive Analysis of Its Pros and Cons

The Nidec 402.781 motor is a popular choice for many industries due to its high efficiency, reliability, and performance. In this analysis, we will discuss the key advantages and disadvantages of using this motor, followed by an Recommendation.

1. Energy Efficiency: Nidec 402.781 motors are known for their high energy efficiency, which can lead to significant cost savings over time. They are designed to meet the latest energy efficiency standards, such as IE3 and IE4.

2. Reliability: Nidec motors are renowned for their robustness and reliability. They are built with high-quality components and undergo rigorous testing to ensure they can withstand the demands of various industries.

3. Versatility: The Nidec 402.781 motor is available in various sizes and configurations, making it suitable for a wide range of applications. It can be used in pumps, fans, compressors, and other rotating equipment.

4. Easy Maintenance: The motor's design makes it easy to maintain, with features such as sealed for life bearings, which reduce the need for regular lubrication.

5. High Power Density: The Nidec 402.781 motor offers a high power density, meaning it can deliver a lot of power in a relatively small package. This can be particularly beneficial in applications where space is limited.

1. Initial Cost: While the energy savings over time can outweigh the initial cost, the Nidec 402.781 motor may have a higher upfront cost compared to less efficient motors.

2. Complexity: The motor's advanced features and high efficiency can make it more complex to install and maintain compared to simpler motors.

3. Special Tools: Some components of the Nidec 402.781 motor may require special tools for installation and maintenance, which can add to the overall cost.

4. Limited Availability: Due to its high demand and advanced features, the Nidec 402.781 motor may not always be readily available from suppliers.

The Nidec 402.781 motor offers several advantages, including energy efficiency, reliability, versatility, easy maintenance, and high power density. However, it also comes with some disadvantages, such as a higher initial cost, complexity, the need for special tools, and limited availability. When considering the purchase of this motor, it's essential to weigh these pros and cons against the specific requirements of your application and your budget.

If your application demands high efficiency, reliability, and performance, and you have the budget for it, the Nidec 402.781 motor is an excellent choice. The energy savings over time can make the initial investment worthwhile. However, if your application does not require the advanced features of this motor or if the initial cost is a significant concern, it may be worth considering a less expensive, less efficient motor. Ultimately, the decision depends on the unique needs and circumstances of your project.

Details:

NEW NIDEC 402.781 Low Speed Motor .

part #: 402781 prices

• $388.82-$391.34

specifications plcmechanize:

• brand: Nidec
• part type: Motor
• manufacturer part number: 402.781

offer plcmechanize:

• options: Ship-to-home
• quantity: 2
• availability: In Stock
• sold: 0
• best offers: True
• started: May 5, 2026

payments plcmechanize:

• credit card: Discover
• other
• wallet: Paypal

shipping plcmechanize:

• cost: $0.00
• transit: 4-11 Days
• service: Economy
• type: Fixed
• class: Economy

general plcmechanize:

• Industrial Automation Motion Controls > PLCs HMIs > PLC Processors
• condition: New

returns plcmechanize:

• time: 30 Days
• paid by: Buyer
• policy: Returns Accepted
• method: Money back

seller plcmechanize:

• # reviews: 37
• city: Dayton, New Jersey
• rating: 100.0%

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