3-Phase Inverter Duty Motor 37kW 50Hp

The 3-Phase Inverter Duty Motor 37kW 50Hp is an electric motor integrated with modern inverter technology, allowing precise adjustment of input voltage and frequency to control speed and torque accurately. With stable operation, energy efficiency, and superior durability, the inverter duty motor is an optimal choice for heavy-duty production lines, large-scale industrial equipment, and high-reliability infrastructure systems.

Overall Design of the 3-Phase Inverter Duty Motor 37kW 50Hp

The inverter duty motor is manufactured on advanced production lines, using a sturdy, one-piece cast iron housing that minimizes vibration and enhances impact resistance. The entire surface is coated with industrial electrostatic paint, protecting the motor from oxidation, moisture, and dust, thereby extending its service life.

In particular, an independent forced cooling fan is installed at the rear, maintaining stable cooling performance and allowing the motor to operate continuously at low speeds or in heavy-duty environments without overheating.

Detailed Structure of the 3-Phase Inverter Duty Motor 37kW 50Hp

The 3-Phase Inverter Duty Motor 37kW 50Hp is a 3-phase electric motor with the following detailed components:

• Stator: 100% copper windings with high heat resistance, minimizing energy loss and creating a strong magnetic field.
• Rotor: Constructed from tightly pressed electrical steel laminations to increase durability and maintain stable performance.
• Terminal box: Separately arranged, featuring one main power connection box and a separate box for the forced cooling fan, ensuring safe and convenient operation.
• Forced cooling fan: Generates powerful airflow, supporting heat dissipation even when the motor runs at low speeds.
• Inverter circuit: Allows frequency modification, flexible rotational speed adjustment, and protects the motor from high starting currents.

Classification of the 3-Phase Inverter Duty Motor 37kW 50Hp

The 3-Phase Inverter Duty Motor 37kW 50Hp has diverse classifications such as:

3-Phase Inverter Duty Motor 37kW 50Hp 2 Poles (2,800 – 3,000 rpm)

Designed for systems requiring high rotational speed and fast load response. Thanks to inverter control, the motor operates flexibly, reduces starting current, and ensures stable performance under various working conditions.

Specifications

Frame Code	200L
Shaft Diameter	55mm
Keyway	16
Flange Diameter	400mm
Dimensions	780mm * 395mm * 505mm
Mounting Type	Foot mount (B3), Flange mount (B35, B5, B14)
Protection Class	IP55
Insulation Class	Class F

Applications

• Fans and Air Blowers: Applied in mine ventilation systems, boilers, industrial centrifugal fans, and booster fans.
• Wood and Agricultural Processing: Woodchippers, saws, industrial planers, and processing equipment such as rice mills and cashew kernel grinders.
• Automated Production Lines: Conveyors, industrial elevators, and building material crushing equipment.

3-Phase Inverter Duty Motor 37kW 50Hp 4 Poles (1,400 – 1,500 rpm)

Suitable for drive systems requiring high stability and flexible speed adjustment. When combined with an inverter, the motor ensures smooth operation, reduced vibration, and optimized performance in continuous industrial applications.

Specifications

Frame Code	225S
Shaft Diameter	60mm
Keyway	18
Flange Diameter	400mm
Dimensions	825mm * 425mm * 560mm
Mounting Type	Foot mount (B3), Flange mount (B35, B5, B14)
Protection Class	IP55
Insulation Class	Class F

Applications

• Industrial Exhaust/Blower Fan Systems: Precise airflow control for boilers, metallurgical plants, or cooling towers without using mechanical control valves.
• High-Capacity Centrifugal Pumps: Maximum energy savings when controlling water flow in municipal water supply systems or irrigation pump stations.
• Conveyors, Bucket Elevators, and Presses: Automatic adjustment of material running speed on production lines.

3-Phase Inverter Duty Motor 37kW 50Hp 6 Poles (900 – 1,000 rpm)

Optimized for systems requiring high torque and stable operation at medium-low speed ranges. Thanks to inverter control, the motor provides smooth starting, limits load shock, and maintains stable performance during continuous operation.

Specifications

Frame Code	250M
Shaft Diameter	65mm
Keyway	18
Flange Diameter	550mm
Dimensions	920mm * 510mm * 615mm
Mounting Type	Foot mount (B3), Flange mount (B35, B5, B14)
Protection Class	IP55
Insulation Class	Class F

Practical Applications:

• Heavy Industry & Building Materials: Operating presses, stone crushers, concrete mixers, and building material manufacturing machinery that require strong traction at slow speeds.
• Wood Processing: Used in large-scale industrial saws, cutters, and wood presses.
• Industrial Fan & Pump Systems: Installed for high-capacity exhaust fans, fire pumps, or water supply systems requiring precise flow control.

3-Phase Inverter Duty Motor 37kW 50Hp 8 Poles (700 – 750 rpm)

Designed for systems requiring high traction at low speeds, ensuring stable operation under heavy-duty conditions. When combined with an inverter, the motor helps control speed smoothly, reduces shock and vibration, and increases durability for the entire drive system.

Specifications

Frame Code	280S
Shaft Diameter	75mm
Keyway	20mm
Flange Diameter	550mm
Dimensions	995mmx 550mmx 680mm
Mounting Type	Foot mount (B3), Flange mount (B35, B5, B14)
Protection Class	IP55
Insulation Class	Class F

Practical Applications:

• Lifting & Crane Equipment: Applied in cargo winches and container cranes due to its ability to hold heavy loads and operate extremely smoothly, minimizing vibration.
• Industrial Fan & Pump Systems: Integrating an inverter helps control air/water flow precisely (in wastewater treatment plants, boilers) instead of using mechanical valves, significantly reducing electricity costs.
• Processing & Heavy Manufacturing Industries: Used in steel rolling mills, high-viscosity material agitators (asphalt, chemicals, paper pulp), and brick/tile making machines.

Which Gearboxes Can the 3-Phase Inverter Duty Motor 37kW 50Hp Be Combined With?

• Gearbox: R-Series Inline Helical Gearbox, K-Series Helical Bevel Gearbox, S-Series Helical Worm Gearbox; Cycloidal Gearbox

In addition, it can be combined with:

• Coupling and pulley: 60mm

Wiring Guide for the 3-Phase Electric Motor

Step 1: Open the Terminal Box and Prepare the Wires

• Use a screwdriver to remove the 4 screws to open the terminal box cover on the body of the 3-phase electric motor.
• Prepare 3-phase power supply cables (380V voltage) to proceed with wiring.

Step 2: Connect the 3 Phase Wires to the Terminals

• Sequentially introduce the 3 power wires into the terminal block and place them in the 3 corresponding terminal positions.
• Detailed positions: The first wire connects to the U1 terminal, the second wire connects to the V1 terminal, and the third wire connects to the W1 terminal.

Step 3: Tighten and Secure the Connections

• Use pliers to clamp and tightly secure the nuts at terminals U1, V1, and W1.
• Note: Tightening the nuts is crucial to ensure good electrical contact, preventing wires from slipping or arcing when the motor vibrates during operation.

Step 4: Power Supply and Test Run

• After completing the wiring and thoroughly checking the firmness of the connections, neatly tidy up the wires.
• Turn on the power, supplying 380V source to the motor to check whether the motor shaft rotates evenly and operates smoothly.

The 3-Phase Inverter Duty Motor 37kW 50Hp is an effective drive solution for many industrial systems thanks to its stable operation, flexible speed control, and energy savings throughout use. Selecting the correct configuration according to each pole count will help optimize performance, reduce mechanical wear, and increase durability for the entire system. To better understand the operating principles as well as practical applications, you can refer to additional electric motor videos in the related content section, while viewing comprehensive video materials for a more intuitive perspective before selecting the appropriate equipment.

Warranty, shipping and commitment policy at Thanh Thai Motor

Warranty up to 24 months

All electric motor products distributed by Thanh Thai Motor are covered by a genuine warranty for up to 24 months. Customers who purchase electric motors can completely rest assured with a transparent, fast, and professional after-sales policy.

Nationwide Shipping

Thanh Thai Motor supports nationwide shipping for all electric motors sold, ensuring safe and on-time delivery to every province across the country. Whether you are in the North, Central, or South, we are ready to serve you.

European Standard Quality – German Technology

Thanh Thai Motor sells electric motors manufactured with German technology, meeting European quality standards, ensuring durability, high efficiency, and stable operation for a long period – suitable for the strict requirements of industrial electric motors.

Competitive Prices – Attractive Offers for Dealers and Wholesale Customers

We commit to reasonable motor prices, offering the best electric motor products with high discount policies for bulk purchasers and distribution units. The more you buy – the better the profit.

Quality Commitment – Powerful Operation, Power Saving

Thanh Thai Motor sells electric motors wound with 100% copper wire, helping the machine run powerfully, consume less electricity, operate smoothly, and effectively reduce vibration – extending equipment lifespan. When purchasing an electric motor, prioritizing products with 100% copper core will be a wise decision, bringing long-term value.

At Thanh Thai Motor, we provide a full range of products, with various phases and capacities, such as:

• 220V electric motors (or 220V 1-Phase electric motors) are 1-Phase electric motors commonly chosen for many household appliances and light industrial equipment, offering convenience and efficiency.
• 380V electric motors are 3-Phase electric motors using three-phase power, commonly used in heavy industrial applications.

Full CO, CQ Certification Documents

Thanh Thai Motor provides the best quality electric motors. Each imported electric motor product from Thanh Thai Motor comes with a Certificate of Origin (CO) and a Certificate of Quality (CQ), meeting the requirements for large projects, constructions, and strict technical documentation.

Contact for Purchase

Do you need to buy an electric motor or seek advice on choosing an affordable electric motor that suits your needs? Contact Thanh Thai Motor immediately using the methods below:

• WhatsApp: +84966596219
• Email: codienthanhthai@gmail.com