From 7.500.000₫
Product Introduction
The Mechanical Speed Variator 3kW 4Hp is an extremely convenient mechanical speed control device, specialized for combining with an electric motor to flexibly change speed via a control knob without stopping the machine, optimizing for mixers.
Product meets quality standards – Nationwide delivery – Full CO/CQ certification.
The Mechanical Speed Variator 3kW 4Hp is a product line with a function similar to a gearbox, used to reduce speed by operating via a control knob, widely used with many convenient advantages. Let’s join Thanh Thai Motor to learn more about the details of this product and its practical applications in industries.
Mechanical speed variator (UDL) product lines usually have a characteristic dark blue or gray design. On the side, there is a flexible adjustment knob, helping users easily operate to change the rotational speed of the motor.
The mechanical speed variator combined with an electric motor is suitable to operate more effectively, forming a gear motor commonly used in animal feed production plants, building materials (such as cement, mortar) requiring mixers to operate at various speeds depending on the type of material – the speed variator helps easily control and change the mixing speed.
The internal structure of the Mechanical Speed Variator 3kW 4Hp consists of 2 main parts: gears and the adjustment knob:
The Mechanical Speed Variator 3kW 4Hp is supplied with two popular mounting styles: foot-mounted and flange-mounted, suitable for various transmission systems.
The foot-mounted version is installed on a machine base or support frame, providing stability during operation and convenience during maintenance.
Technical specifications
| Code | B3 |
| Output shaft diameter | 48mm |
| Input shaft diameter | 28mm |
| Mounting type | Foot-mounted |
| Dimensions | 796mm * 310mm * 418mm |
| Rotational speed | 40 to 200 rpm |
The flange-mounted style is suitable for equipment requiring direct connection, increasing rigidity and reducing installation space.
Technical specifications
| Code | B5 |
| Input/output shaft diameter | 28mm |
| Keyway | 8mm |
| Mounting type | Flange-mounted |
| Dimensions | 588 x 320 x 338mm |
| Transmission ratio | 1/1.4 – 1/7 |
| Rotational speed | 100 to 2000 rpm |
The speed variator is commonly used in industries such:
Reading the symbols on the gearbox label correctly helps select the appropriate product and ensures precise installation process.
Step 1: Check the model
Observe the model on the label to determine the gearbox line, size, and mounting style of the device.
Step 2: Determine the transmission ratio
Read the transmission ratio to know the output speed of the gearbox compared to the input speed of the motor.
Step 3: Read technical specifications
Check parameters such as power, torque, input speed, output speed, and other technical data provided by the manufacturer.
Step 4: Cross-check the mounting style
Determine the foot mount, flange, shaft position, and installation direction symbols to choose the appropriate installation method for the system.
You can also refer to the gearbox video to learn how to read product labels on each gearbox line. In addition, the summary video shares a lot of knowledge about structure, operating principles, selection of transmission ratios, and practical installation experience.
When purchasing gearboxes at Thanh Thai Motor, you will receive benefits such as:
Warranty up to 24 months
Gearbox products at Thanh Thai Motor are covered by a genuine warranty for up to 24 months. Customers can be completely confident in using them with a clear, transparent, and prompt after-sales policy.
Nationwide Delivery
We support fast delivery to all provinces and cities nationwide. Wherever you are, products are guaranteed to arrive on time and safely.
Products meeting European quality standards with German technology
Gearboxes at Thanh Thai Motor are manufactured using advanced German technology, meeting European quality standards. Ensuring high durability and stable operation for extended periods.
Competitive prices, good discounts for dealers and bulk customers
Reasonable prices, many attractive offers for wholesale buyers and distribution agents. The more you buy, the higher the discount – optimizing profits for customers.
Full certification documents: CO, CQ,...
Each product comes with full Certificate of Origin (CO) and Certificate of Quality (CQ). This provides assurance for customers when using them in projects or constructions requiring technical documentation.
Do you need advice on choosing the right gearbox for your needs? Contact Thanh Thai Motor immediately using the methods below:
| Product Type | Mechanical Speed Variator |
| Rated Power | 3kW (4HP) |
| Power Range | 0.37kW – 5.5kW |
| Frequency | 50Hz |
| Voltage | 220/380V |
| Material | Cast iron and aluminum housing |
| Mounting Type | Foot-mounted (B3), Flange-mounted (B5) |
| Place of Manufacture | German technology manufactured and assembled in China |
| Brand | ADTECH |
| Warranty Period | Up to 24 months |
| Shaft Diameter | 48mm |
| Key | 14 |
| Dimensions | 796mm * 310mm * 418mm |
| Output Shaft Speed | 20 to 800 RPM |
| Shaft Diameter | 30mm |
| Key | 8 |
| Dimensions | 588mm * 320mm * 338mm |
| Output Shaft Speed | 100 to 2000 RPM |
Mechanical Speed Variator 3kW 4Hp 
Nationwide
Delivery
European
Quality
High-Level
Technical Team
Easy Warranty
and Returns
Mark
Good product, though arrival time could be faster
John
Functional variator, however, delivery felt unhurried
John
The variator operates well, but shipping took a bit longer
Sarah Lee
Quality is decent for the price, though consultation felt rushed
Michael
Product works fine, yet the staff seemed a little unenthusiastic