Product Description

YEJ series motor electromagnetic brake is YEJ series improved products.Press national JB/T6456 to requirments design and manufacture of electrical properties and Y2 series motor is basically the same. This series motor is characterized by non-drag on the motor shaft end fitted with electromagnetic brake when the motor is de-energized,Electromagnetic brake is automatically after the motor cover lamination,friction braking torque,the motor stopped immediately,no-load braking time randon frame sizes from small to large,0.15-0.45S. Widely used in machine tools and transport machinery and packing,woodworking,printing,food,chemical,textile,construction,shops,rolling door machinery.

Rated Parameters
Base Center Height:63-255 mm                                   Power Range: 0.12-0.45 kW
Nsulation Class: B /f                                                   Protection Class: IP54 (or IP55)
Work System: S1                                                       Rated Voltage: 380V

Mounting Structure:

B3 Frame without foot cover end flange
B35 Frame with foot cover end flange
B5 Frame with foot cover end flange


56 90 71 36 9 20 3 7.2 56 5.8 65 50 80 M5 2.5 98 80 120 7 3 110 120 110 155 195
63 100 80 40 11 23 4 8.5 63 7 75 60 90 M5 2.5 115 95 140 10 3 130 130 115 165 230
71 112 90 45 14 30 5 11 71 7 85 70 105 M6 2.5 120 110 160 10 3.5 145 145 125 185 225
80 125 100 50 19 40 6 15.5 80 10 100 80 120 M6 3 165 130 200 12 3.5 160 165 135 215 295
90S 140 100 56 24 50 8 20 90 10 115 95 140 M8 3 165 130 200 12 3.5 180 185 145 235 335
90L 140 125 56 24 50 8 20 90 10 115 95 140 M8 3 165 130 200 12 3.5 180 185 145 235 360
100L 160 140 63 28 60 8 24 100 12 130 110 160 M8 3.5 215 180 250 15 4 205 215 170 255 380
112M 190 140 70 28 60 8 24 112 12 130 110 160 M8 3.5 215 180 250 15 4 145 240 180 285 400
132S 216 140 89 38 80 10 33 132 12 165 130 200 M10 4 265 230 300 15 4 280 275 195 325 475
132M 216 178 89 38 80 10 33 132 12 165 130 200 M10 4 265 230 300 15 4 280 275 195 325 515
160M 254 210 108 42 110 12 37 160 15 / / / / / 300 250 350 19 5 325 325 255 385 600
160L 254 254 108 42 110 12 37 160 15 / / / / / 300 250 350 19 5 325 325 255 385 645
180M 279 279 121 48 110 14 42.5 180 15 / / / / / 300 250 350 19 5 355 380 280 455 700
180L 279 279 121 48 110 14 42.5 180 15 / / / / / 300 250 350 19 5 355 380 280 455 740

Type Output Rated speed Rated current η Power factor Locked-rotor current
Rated current
Locked-rotor torque
Rated troque
Pull-out torque
Rated torque
KW nN(rmp) IN(A) (%) (cos Φ) Tst/TN Ist/TN Tmax/TN
Asynchronous Speed 3000rpm(2 poles)
YEJ-711-2 0.37 2740 0.99 70 0.81 6.1 2.2 2.2
YEJ-712-2 0.55 2740 1.4 73 0.82 6.1 2.2 2.3
YEJ-801-2 0.75 2845 1.83 75 0.83 7.0 2.2 2.3
YEJ-802-2 1.1 2840 2.58 77 0.84 7.0 2.2 2.3
YEJ-90S-2 1.5 2840 3.43 79 0.84 7.0 2.2 2.3
YEJ-90L-2 2.2 2840 4.85 81 0.85 7.5 2.2 2.3
YEJ-100L-2 3 2860 6.31 83 0.87 7.5 2.2 2.3
YEJ-112M-2 4 2880 8.1 85 0.88 7.5 2.2 2.3
YEJ-132S1-2 5.5 2900 11.0 86 0.88 7.5 2.2 2.3
YEJ-132S2-2 7.5 2900 14.9 87 0.88 7.5 2.2 2.3
YEJ-160M1-2 11 2930 21.3 88 0.89 7.5 2.2 2.3
YEJ-160M2-2 15 2930 28.8 89 0.89 7.5 2.2 2.3
YEJ160L-2 18.5 2930 34.7 90 0.90 7.5 2.2 2.3
YEJ-180M-2 22 2940 41 90 0.90 7.5 2.0 2.3
YEJ-200L1-2 30 2950 55.5 91.2 0.90 7.5 2.0 2.3
YEJ-200L2-2 37 2950 67.9 97 0.90 7.5 2.0 2.3
YEJ-225M-2 45 2970 82.3 92 0.90 7.5 2.0 2.3

HangZhou Qiantao Pumps Co., Ltd. is a modern enterprise with a combination of development, production, service. It is specialized in producing electric pump and motor with more than 50 series and 1000 specifications.
Our company centers on people, equipped with a large technology team and management talent, forming significant human resource and powerful technology advantagement.

We own advanced electric pumps and assembly line for motors as well as online automatic testing systems. All these equipments supply favorable managing condition and reliable detecting methods. Our company has passed the ISO9001:2000 international quality system certification and “3C” electrician product certification. The products have won the producing licence granted by the national technical supervision bureau and “Agricultural Machinery popularization licence” granted by the national agriculture ministry.

Customers’ satisfaction is the everlasting pursuit of “Qiantao” staff. Quality and credit standing is the forever main topic of Qiantao. We sincerely wish to cooperate and develop together with all partners. At the same time, we warmly welcome the new and old customers from home and abroad to do business with us and direct us.

At all times, CHINAMFG Pump Company is appling ourselves to normalized technology development and quality management construction. We constantly solidify, perfect and improve the company’s total quality management standard. We also popularize ISO9000 quality management system. These not only uprise the management standard, promise the product quality, strengthen the running belief of “Customers’ satisfaction is CHINAMFG people’s persistent pursuit. Quality and credit standing is the forever main topic of Qiantao.”, but also win the customers’ trust. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Industrial
Speed: High Speed
Number of Stator: Three-Phase
Function: Control
Casing Protection: Closed Type
Number of Poles: 2
US$ 60/Piece
1 Piece(Min.Order)




brake motor

How do brake motors handle variations in brake torque and response time?

Brake motors are designed to handle variations in brake torque and response time to ensure reliable and efficient braking performance. These variations can arise due to different operating conditions, load characteristics, or specific application requirements. Here’s a detailed explanation of how brake motors handle variations in brake torque and response time:

  • Brake Design and Construction: The design and construction of brake systems in brake motors play a crucial role in handling variations in brake torque and response time. Brake systems typically consist of brake pads or shoes that press against a brake disc or drum to generate frictional forces and provide braking action. The materials used for the brake components, such as brake linings, can be selected or designed to offer a wide range of torque capacities and response characteristics. By choosing the appropriate materials and optimizing the brake system design, brake motors can accommodate variations in torque requirements and response times.
  • Brake Control Mechanisms: Brake motors employ different control mechanisms to manage brake torque and response time. These mechanisms can be mechanical, electrical, or a combination of both. Mechanical control mechanisms often utilize springs or levers to apply and release the brake, while electrical control mechanisms rely on electromagnets or solenoids to engage or disengage the brake. The control mechanisms can be adjusted or configured to modulate the brake torque and response time based on the specific needs of the application.
  • Brake Torque Adjustments: Brake motors may offer provisions for adjusting the brake torque to accommodate variations in load requirements. This can be achieved through the selection of different brake linings or by adjusting the spring tension or magnetic force within the brake system. By modifying the brake torque, brake motors can provide the necessary braking force to meet the demands of different operating conditions or load characteristics.
  • Response Time Optimization: Brake motors can be engineered to optimize the response time of the braking system. The response time refers to the time it takes for the brake to engage or disengage once the control signal is applied. Several factors can influence the response time, including the design of the control mechanism, the characteristics of the brake linings, and the braking system’s overall dynamics. By fine-tuning these factors, brake motors can achieve faster or slower response times as required by the application, ensuring effective and timely braking action.
  • Electronic Control Systems: In modern brake motors, electronic control systems are often employed to enhance the flexibility and precision of brake torque and response time adjustments. These systems utilize sensors, feedback mechanisms, and advanced control algorithms to monitor and regulate the brake performance. Electronic control allows for real-time adjustments and precise control of the brake torque and response time, making brake motors more adaptable to variations in operating conditions and load requirements.

By combining appropriate brake design and construction, control mechanisms, torque adjustments, response time optimization, and electronic control systems, brake motors can effectively handle variations in brake torque and response time. This enables them to provide reliable and efficient braking performance across a wide range of operating conditions, load characteristics, and application requirements.

brake motor

What maintenance practices are essential for extending the lifespan of a brake motor?

Maintaining a brake motor properly is crucial for extending its lifespan and ensuring optimal performance. Regular maintenance practices help prevent premature wear, identify potential issues, and address them promptly. Here are some essential maintenance practices for extending the lifespan of a brake motor:

  • Cleanliness: Keeping the brake motor clean is important to prevent the accumulation of dirt, dust, or debris that can affect its performance. Regularly inspect the motor and clean it using appropriate cleaning methods and materials, ensuring that the power is disconnected before performing any cleaning tasks.
  • Lubrication: Proper lubrication of the brake motor’s moving parts is essential to minimize friction and reduce wear and tear. Follow the manufacturer’s recommendations regarding the type of lubricant to use and the frequency of lubrication. Ensure that the lubrication points are accessible and apply the lubricant in the recommended amounts.
  • Inspection: Regular visual inspections of the brake motor are necessary to identify any signs of damage, loose connections, or abnormal wear. Check for any loose or damaged components, such as bolts, cables, or connectors. Inspect the brake pads or discs for wear and ensure they are properly aligned. If any issues are detected, take appropriate action to address them promptly.
  • Brake Adjustment: Periodically check and adjust the brake mechanism of the motor to ensure it maintains proper braking performance. This may involve adjusting the brake pads, ensuring proper clearance, and verifying that the braking force is sufficient. Improper brake adjustment can lead to excessive wear, reduced stopping power, or safety hazards.
  • Temperature Monitoring: Monitoring the operating temperature of the brake motor is important to prevent overheating and thermal damage. Ensure that the motor is not subjected to excessive ambient temperatures or overloaded conditions. If the motor becomes excessively hot, investigate the cause and take corrective measures, such as improving ventilation or reducing the load.
  • Vibration Analysis: Periodic vibration analysis can help detect early signs of mechanical problems or misalignment in the brake motor. Using specialized equipment or vibration monitoring systems, measure and analyze the motor’s vibration levels. If abnormal vibrations are detected, investigate and address the underlying issues to prevent further damage.
  • Electrical Connections: Regularly inspect the electrical connections of the brake motor to ensure they are secure and free from corrosion. Loose or faulty connections can lead to power issues, motor malfunctions, or electrical hazards. Tighten any loose connections and clean any corrosion using appropriate methods and materials.
  • Testing and Calibration: Perform periodic testing and calibration of the brake motor to verify its performance and ensure it operates within the specified parameters. This may involve conducting load tests, verifying braking force, or checking the motor’s speed and torque. Follow the manufacturer’s guidelines or consult with qualified technicians for proper testing and calibration procedures.
  • Documentation and Record-keeping: Maintain a record of all maintenance activities, inspections, repairs, and any relevant information related to the brake motor. This documentation helps track the maintenance history, identify recurring issues, and plan future maintenance tasks effectively. It also serves as a reference for warranty claims or troubleshooting purposes.
  • Professional Servicing: In addition to regular maintenance tasks, consider scheduling professional servicing and inspections by qualified technicians. They can perform comprehensive checks, identify potential issues, and perform specialized maintenance procedures that require expertise or specialized tools. Professional servicing can help ensure thorough maintenance and maximize the lifespan of the brake motor.

By following these essential maintenance practices, brake motor owners can enhance the lifespan of the motor, reduce the risk of unexpected failures, and maintain its optimal performance. Regular maintenance not only extends the motor’s lifespan but also contributes to safe operation, energy efficiency, and overall reliability.

brake motor

How do brake motors handle variations in load and stopping requirements?

Brake motors are designed to handle variations in load and stopping requirements by incorporating specific features and mechanisms that allow for flexibility and adaptability. These features enable brake motors to effectively respond to changes in load conditions and meet the diverse stopping requirements of different applications. Here’s a detailed explanation of how brake motors handle variations in load and stopping requirements:

1. Adjustable Braking Torque: Brake motors often have adjustable braking torque, allowing operators to modify the stopping force according to the specific load requirements. By adjusting the braking torque, brake motors can accommodate variations in load size, weight, and inertia. Higher braking torque can be set for heavier loads, while lower braking torque can be selected for lighter loads, ensuring optimal stopping performance and preventing excessive wear or damage to the braking system.

2. Controlled Response Time: Brake motors provide controlled response times, allowing for precise and efficient stopping according to the application requirements. The response time refers to the duration between the command to stop and the actual cessation of rotation. Brake motors can be designed with adjustable response times, enabling operators to set the desired stopping speed based on the load characteristics and safety considerations. This flexibility ensures that the braking action is appropriately matched to the load and stopping requirements.

3. Dynamic Braking: Dynamic braking is a feature found in some brake motors that helps handle variations in load and stopping requirements. When the motor is de-energized, dynamic braking converts the kinetic energy of the rotating load into electrical energy, which is dissipated as heat through a resistor or regenerative braking system. This braking mechanism allows brake motors to handle different load conditions and varying stopping requirements, dissipating excess energy and bringing the rotating equipment to a controlled stop.

4. Integrated Control Systems: Brake motors often come equipped with integrated control systems that allow for customized programming and adjustment of the braking parameters. These control systems enable operators to adapt the braking performance based on the load characteristics and stopping requirements. By adjusting parameters such as braking torque, response time, and braking profiles, brake motors can handle variations in load and achieve the desired stopping performance for different applications.

5. Monitoring and Feedback: Some brake motor systems incorporate monitoring and feedback mechanisms to provide real-time information about the load conditions and stopping performance. This feedback can include data on motor temperature, current consumption, or position feedback from encoders or sensors. By continuously monitoring these parameters, brake motors can dynamically adjust their braking action to accommodate variations in load and ensure optimal stopping performance.

6. Adaptable Brake Design: Brake motors are designed with consideration for load variations and stopping requirements. The brake design takes into account factors such as braking surface area, material composition, and cooling methods. These design features allow brake motors to handle different load conditions effectively and provide consistent and reliable stopping performance under varying circumstances.

By incorporating adjustable braking torque, controlled response time, dynamic braking, integrated control systems, monitoring and feedback mechanisms, and adaptable brake designs, brake motors can handle variations in load and stopping requirements. These features enhance the versatility and performance of brake motors, making them suitable for a wide range of applications across different industries.

China Custom CHINAMFG Yej Series 2 Poles 11kw AC Electromagnetic Brake Three Phase Asychronoous Electric Motor   with high quality China Custom CHINAMFG Yej Series 2 Poles 11kw AC Electromagnetic Brake Three Phase Asychronoous Electric Motor   with high quality
editor by CX 2024-05-13