3-Phase Electric Motor 0.75kW 1Hp

The 3-Phase Electric Motor 0.75kW 1Hp belongs to the small-sized drive equipment group, using a 380V industrial power source. The product provides basic kinetic energy for light machine tools, mini conveyor systems, and mechanical mechanisms in workshops with limited space.

General Design of the 3-Phase Electric Motor 0.75kW 1Hp

The outer casing frame of the electric motor features a characteristic scaled-down design, significantly reducing the overall weight without compromising load-bearing capacity.

Most of the housing details are cast monolithically from aluminum to promote heat dissipation into the environment. Along the length of the device body is an integrated cooling fin system to maximize airflow capture. The power cable terminal assembly sits neatly on top of the machine, accompanied by specialized rubber gaskets to resist water and dust according to the IP55 protection rating.

Internal Structure of the 3-Phase Electric Motor 0.75kW 1Hp

To ensure continuous operation at the 0.75kW load level, all internal component assemblies are manufactured according to current technical standards.

• Stator: Stationary magnetic core stamped from high-quality electrical steel sheets. The internal winding is made of 100% pure copper, impregnated with class F heat-resistant insulating varnish.
• Rotor: Monolithically cast squirrel-cage rotating shaft, undergoing a dynamic balancing process to help the shaft rotate smoothly, eliminating centrifugal forces that cause vibration.
• Bearings: Centering ball bearings at both ends of the shaft, featuring dust covers and using industrial standard lubricating grease.
• Cooling system: Plastic centrifugal fan blade mounted at the shaft tail, continuously creating airflow blowing along the machine body.

What types of 3-Phase Electric Motor 0.75kW 1Hp are available?

With a power of 0.75kW 1Hp, the product is divided into 4 lines based on the number of magnetic poles, each meeting a different work requirement:

3-Phase 0.75kW 1Hp 2-Pole Motor (2,800 – 3,000 rpm)

It is the fastest running type, with the housing usually made of aluminum to keep the machine light and dissipate heat promptly. Torque is at a low level.

Technical specifications:

Code	80M
Shaft diameter	19mm
Key	6mm
Flange diameter	200mm
Weight	19kg
Dimensions	295mm * 175mm * 220mm
Installation type	Foot mount (B3), Flange mount (B35, B5, B14)
Protection class	IP55
Insulation class	Class F

Applications:

• Family domestic water pumps, small-scale garden irrigation pumps.
• Industrial restroom ventilation exhaust fans, small air blowers.
• Tool grinders, handheld wood cutting saws, or small mechanical machining machines requiring fast cutting speeds.

3-Phase 0.75kW 1Hp 4-Pole Motor (1,400 – 1,500 rpm)

The national popular motor line, used the most thanks to moderate speed, stable traction force, and durable, smooth operation.

Technical specifications:

Code	80M
Shaft diameter	19mm
Key	6mm
Flange diameter	200mm
Weight	19kg
Dimensions	295mm * 175mm * 220mm
Installation type	Foot mount (B3), Flange mount (B35, B5, B14)
Protection class	IP55
Insulation class	Class F

Applications:

• Pulling conveyor belts, product sorting conveyors in supermarkets and packaging factories.
• Flour mixers, pork paste grinders, sugarcane juicers, tofu making machines in the food industry.
• Small air compressors used in motorcycle repair shops.
• Pumping and suction of chemical solutions or wastewater with medium flow rates.

3-Phase 0.75kW 1Hp 6-Pole Motor (900 – 1,000 rpm)

Slower speed, providing better pulling force than the 4-pole line, larger housing frame design to accommodate more windings.

Technical specifications:

Code	90S
Shaft diameter	24mm
Key	8mm
Flange diameter	200mm
Weight	19kg
Dimensions	320mm * 195mm * 250mm
Installation type	Foot mount (B3), Flange mount (B35, B5, B14)
Protection class	IP55
Insulation class	Class F

Applications:

• Pulling aeration fan arrays to create oxygen for shrimp and fish farming ponds.
• Chemical mixers, liquid fertilizer mixers with moderate viscosity.
• Sludge scraping arrays in small water supply and wastewater treatment stations.
• Light bucket elevator systems bringing grains and agricultural products into silos.

3-Phase 0.75kW 1Hp 8-Pole Motor (700 – 750 rpm)

Specialized heavy-duty line, extremely slow speed, very strong pulling force, but with 0.75kW power, it is mainly applied for small specialized mechanisms.

Technical specifications:

Code	100L
Shaft diameter	28mm
Key	8mm
Flange diameter	200mm
Weight	19kg
Dimensions	385mm * 215mm * 270mm
Installation type	Foot mount (B3), Flange mount (B35, B5, B14)
Protection class	IP55
Insulation class	Class F

Applications:

• Light cargo lifting winch mechanisms in warehouses requiring extremely slow up and down speeds to ensure absolute safety.
• Biological thick sludge agitators, ultra-slow speed flocculation mixers.
• Slow-moving spiral mine tunnel conveyors.

What type of gearbox can the 3-Phase Electric Motor 0.75kW 1Hp be installed with?

Thanks to its compact size and standard shaft core (19mm, 24mm), the 0.75kW 1Hp motor is extremely easy to assemble with the following gearboxes:

• Cast iron worm gearbox: WPA, WPS, WPX, WPO codes… (recommended to use small sizes like 50, 60, or 70).
• Aluminum housing worm gearbox: The NMRV series is very popular, recommended to use size 040 or 050 to optimize aesthetics and compactness.
• Heavy duty helical gearbox: R, S, F codes (small sizes) for highly automated conveyor applications.
• Other accessories: Combines well with pulleys, small chain sprockets, or installing an additional 0.75kW 1Hp brake motor assembly for emergency 380V braking.

Instructions for wiring a 3-phase electric motor

Before proceeding, you should review the electric motor videos to clearly understand the structure and position of the terminal posts, helping to perform operations accurately and minimize errors.

Step 1: Remove the terminal box cover of the electric motor

Use a suitable screwdriver to remove the 4 fixing bolts on the terminal box cover. When opening the cover, you will see the system of internal wiring terminals. With common 3-phase motors, this area usually has 6 clearly marked wire ends.

Step 2: Identify the connection terminals and 380V power supply

The wire ends in the terminal box are arranged in two rows. The bottom row, labeled U1, V1, W1, is the position used to supply input power to the motor.

Step 3: Connect the 3-phase power supply to U1, V1, W1

Prepare 3 phase wires from the 380V power source and proceed to connect them sequentially to the U1, V1, W1 terminals. Ensure correct positioning for stable motor operation.

Important safety notes:

Cable lugs need to be tightly fastened to ensure good electrical contact, avoiding electrical sparks that cause short circuits and fires. Do not connect power to the top terminal row (U2, V2, W2) as this may damage the motor windings.

Step 4: Close the cover and test run

After completing the connection, tightly close the terminal box cover and tighten the bolts to protect the equipment from dust and moisture. Apply power to check operation. If the motor rotates in the reverse direction, simply disconnect the power and swap the positions of two of the three phase wires to reverse the rotation direction.

Following the correct wiring procedure not only helps the system operate stably but also ensures safety during use. Electric motor videos from Thanh Thai Motor will be a useful reference source for practical users.

To learn more about products, quotations, and detailed instructions, you can access the summary videos in the electric motor video category – where full content directly executed by the technical team is provided.

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