Electric Motors with Brakes above 3.7kW are a combination of a high-power electric motor and an electromagnetic brake system. When power is disconnected, the brake system acts on the motor shaft to limit rotational inertia, helping the equipment stop at the exact position and preventing unintended load drifting.

In addition, the structure of the motor includes main components such as the stator to generate a magnetic field, the rotor to produce rotational movement, the motor shaft to transmit torque, shaft support bearings, a cooling fan, a terminal box, and an electromagnetic brake assembly installed at the rear of the motor. The combination of the motor and the brake system ensures that the equipment provides powerful transmission capabilities while meeting the requirements for quick stopping and safe load holding in industrial applications.

Applications of Brake Motors above 3.7kW

• Industrial winches: Used in material pulling, cable pulling, or equipment lifting systems that require fast braking capabilities and stable load holding. The brake system helps increase safety and limits risks during operation.
• Inclined conveyors: The brake system prevents materials from rolling backward when the motor stops, especially in upward transportation systems. As a result, the transportation process remains stable and material loss is minimized.
• Cargo elevators:Brake motors help keep the lifting platform fixed, increasing safety during cargo transportation between floors. This is an important component ensuring safety for both people and goods.
• Industrial presses: Help the transmission mechanism stop precisely according to each working cycle, ensuring product quality and machine stability. Especially suitable for production lines requiring high precision.
• Automated production lines:Brake Motors above 3.7kW are applied in positions requiring fast stopping, precise positioning, or maintaining the state when power is lost. This helps the system operate synchronously and minimizes production errors.

Advantages of Brake Motors above 3.7kW

• Fast and accurate load stopping: The electromagnetic brake helps the motor brake the shaft immediately upon power disconnection, reducing rotational inertia and preventing incorrect stopping positions during operation.
• Increased system safety: Stable load holding capacity helps limit the risk of unintended load drifting or falling, especially in lifting and material handling applications.
• Suitable for heavy loads: With capacities above 3.7kW, brake motors can meet applications requiring high torque and continuous operation in industrial environments.
• Fixed position maintenance during power outages: When a power outage occurs, the brake system will automatically act to maintain the motor shaft position, contributing to protecting equipment and goods.
• Stable long-term operation: Sturdy design and an efficient cooling system help the motor operate durably, well meeting high-intensity working demands.
• Flexible industrial applications: The motor can be used for overhead cranes, winches, conveyors, presses, production lines, and many other equipment requiring safe load braking capabilities.

Brake Motor Prices above 3.7kW at Thanh Thai Motor

Below is the reference price list for brake motors above 3.7kW distributed by Thanh Thai Motor so that customers can easily select products suitable for their usage needs.

Things to note when purchasing Brake Motors above 3.7kW

• Choose the appropriate power capacity: Accurately determine the usage needs and actual load of the equipment to choose a suitable motor capacity. Choosing a capacity that is too small easily causes overload, while a capacity that is too large unnecessarily increases investment costs.
• Pay attention to operating load: For lifting, load pulling, or industrial conveyor applications, it is necessary to calculate the working load to select the appropriate motor and braking torque, ensuring safety during use.
• Prioritize cast iron housing motors: For brake motor lines above 3.7kW, cast iron housings are often preferred due to their high rigidity, good vibration resistance, and suitability for continuous industrial working environments.
• Buy from a reputable supplier: You should choose to buy motors at Thanh Thai Motor, where full technical specifications, clear product origins, and a technical support team are available to advise you on the right motor type for your actual needs.
• Check the warranty policy: Before purchasing, thoroughly research the warranty period, warranty scope, and after-sales support policy to ensure your rights during product use.

For more practical information about the product, customers can access the electric motor video section directly produced by the Thanh Thai Motor team. The compiled videos provide realistic images of each motor series, technical specifications, installation and wiring methods, and useful experiences to help customers easily choose products suitable for their usage needs.

Frequently Asked Questions

Is it necessary to install a separate circuit breaker or thermal relay for the brake motor?

Yes. Protective devices help cut off power when overloads, phase losses, or short circuits occur, contributing to protecting the motor windings and electrical system.

Why must the motor base be mounted on a sturdy surface?

Uneven or insufficiently rigid installation surfaces can cause vibration during operation, reducing the lifespan of bearings, the brake assembly, and transmission parts.

Is it necessary to check the belt tension after installing the motor?

Yes. Over-tensioned belts will increase the load on bearings, while loose belts can cause slipping and reduce the transmission efficiency of the system.

Why should electric motors with brakes above 3.7kW not be installed with excessively long power cords without calculating voltage drop?

For large-capacity motors, the starting current is often several times higher than the rated current. If the distance from the power source to the motor is too far and the conductor cross-section is not large enough, the voltage at the motor terminals will drop significantly during startup. This can cause weak motor startup, high heat generation, incomplete brake release, and reduced lifespan of both the motor and the brake system.