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Foot Mount, Flange Mount, Case Mount
1
1 year
Three Phase Asynchronous Motor
Yongzhuan
1330rpm 1350rpm 1400rpm 1420rpm 1445rpm1485rpm 1490rpm...
220/380V 230/440V 380/660V 400/690V
22kw/30hp 30kw/40hp 37kw/50hp 45kw/60hp 55kw/75hp...
50HZ 60HZ
2P 4P 6P 8P 10P 12P
IE4 IE3 IE2
Cast Iron Housing/Aluminium Housing
Pumps, Compressors, Mixers, Conveyors, Elevators, Cranes & Hoists...
Acceptable
Strong Wooden Case or Customized
CE CCC
Product Description
In industries where explosive gases or dust are present, maintaining the highest safety standards is critical. Variable Frequency Explosion-Proof Motors (VFEPM) provide the perfect solution for these hazardous environments. These motors combine the benefits of variable frequency drives (VFDs) with the inherent safety features of explosion-proof technology, making them ideal for use in applications where controlling motor speed and ensuring safety are equally important.
A Variable Frequency Explosion-Proof Motor (VFEPM) is an electric motor specifically designed for environments that are prone to explosive atmospheres due to the presence of flammable gases, vapors, or dust. These motors combine the features of explosion-proof motors with a variable frequency drive (VFD) to offer precise control over motor speed and torque while ensuring the motor’s safe operation in hazardous areas.
Explosion-proof motors are engineered to contain any sparks, arcs, or heat generated inside the motor, preventing them from igniting the surrounding explosive materials. A VFD controls the motor’s speed and adjusts its performance to match the needs of the application, providing higher efficiency, reduced energy consumption, and improved process control.
The most important feature of these motors is their explosion-proof design. The motor housing is constructed using reinforced materials to prevent any internal sparks, heat, or electrical faults from escaping into the surrounding environment. This design ensures that the motor operates safely in hazardous areas where flammable gases, vapors, or combustible dust may be present.
The VFD feature allows the motor to adjust its speed and torque according to the specific needs of the application. By varying the frequency of the input power, the motor can provide precise control over the equipment it powers, improving efficiency, process control, and energy savings. This is particularly useful in industries like pumping, ventilation, and compressing, where motor speed often needs to be adjusted based on changing operational conditions.
Variable Frequency Explosion-Proof Motors are built to meet international safety standards like ATEX, IECEx, and UL, which ensure that these motors can be safely used in explosive environments. These standards guarantee that the motor’s design and construction are robust enough to contain any internal explosion or electrical fault, minimizing the risk of an incident in hazardous locations.
The integration of a VFD with an explosion-proof motor ensures that the motor operates at optimal efficiency, adjusting speed based on the load requirements. This flexibility leads to significant energy savings and reduced operational costs, as the motor doesn’t run at full speed when it’s not necessary.
These motors are designed for long-lasting performance in the toughest environments. They are built with corrosion-resistant materials and are capable of withstanding extreme temperatures, high humidity, and mechanical stress, making them highly reliable in demanding industrial settings.
The most significant advantage of these motors is their ability to safely operate in explosive environments. By combining explosion-proof construction with a variable frequency drive, they prevent ignition risks and reduce the potential for catastrophic accidents, ensuring the safety of workers and equipment.
The ability to adjust the motor’s speed according to the needs of the process provides precise control over equipment performance. Whether it’s a pump, fan, or conveyor, the motor can be tuned to operate at the optimal speed, improving efficiency and reducing wear on the motor.
By using a variable frequency drive, these motors allow businesses to optimize their energy use. The motor only draws the necessary amount of power based on the load, leading to energy savings and reduced utility costs.
The integration of a VFD helps to reduce mechanical stress on the motor by gradually ramping up speed and avoiding abrupt starts and stops. This leads to less wear and tear on the motor, extending its lifespan and reducing the frequency of replacements and repairs.
Variable frequency explosion-proof motors are built to require less maintenance than traditional motors. The combination of variable speed control and explosion-proof safety ensures that the motor operates more smoothly, reducing the likelihood of breakdowns and the need for frequent repairs.
In the oil and gas industry, where explosive gases and vapors are prevalent, variable frequency explosion-proof motors are used to power critical equipment such as pumps, compressors, and ventilation systems. The VFD allows operators to adjust the motor speed to optimize production and reduce energy usage.
In chemical plants, where hazardous chemicals and gases are commonly present, these motors are used to drive equipment like mixers, reactors, and conveyors. The combination of explosion-proof construction and VFD technology ensures both safety and process optimization.
Mining operations often face explosive dust or gases in the atmosphere. Variable frequency explosion-proof motors are used in applications such as ventilation fans, pumps, and conveyors, ensuring both safety and efficiency in these hazardous environments.
In pharmaceutical manufacturing, where combustible powders and chemicals are common, VFE motors are used in equipment like tablet presses, dryers, and milling machines. The ability to control motor speed enhances the precision of the manufacturing process.
Food processing plants often deal with dust or flammable ingredients like flour, sugar, and spices. These motors are ideal for powering machinery like mixers, conveyors, and dryers, reducing the risk of fire or explosion while ensuring efficient operation.
A Variable Frequency Explosion-Proof Motor (VFD Explosion-Proof Motor) is specifically designed for use in hazardous environments, where explosive gases or combustible dusts are present. These motors are equipped with Variable Frequency Drive (VFD) technology that allows for the precise control of motor speed, making them ideal for applications that require speed variation and are subject to strict safety standards. Below is a parameter sheet outlining the specifications of a Variable Frequency Explosion-Proof Motor.
Variable Frequency Explosion-Proof Motor Parameter Sheet.pdf
| Parameter | Specification |
|---|---|
| Motor Type | Induction Motor (Explosion-Proof, with VFD Control) |
| Explosion-Proof Classification | ATEX, IECEx, UL (Region-specific standards) |
| Efficiency Class | IE2, IE3, IE4 (Energy Efficient) |
| Rated Power | 0.75 kW – 400 kW |
| Frequency | 50 Hz / 60 Hz |
| Rated Voltage | 220V, 380V, 400V, 690V / Customized |
| Rated Speed | 600 RPM - 3600 RPM / Customized |
| Rated Torque | 1.5 - 2200 Nm |
| Rated Current | 0.6 A - 450 A (depending on motor size and rating) |
| Insulation Class | Class F, Class H |
| Mounting Type | Foot-mounted, Flange-mounted, Face-mounted |
| Cooling Method | IC411 (Self-Cooling) or IC416 (Forced Ventilation) |
| Service Factor | 1.15 |
| Ambient Temperature Range | -20°C to +40°C |
| Altitude | Up to 1000 m (higher altitudes available on request) |
| Parameter | Specification |
|---|---|
| Rated Voltage | 220V, 380V, 460V (Single-phase or Three-phase) |
| Voltage Tolerance | ±10% |
| Frequency Tolerance | ±1% |
| Motor Current | Variable based on motor size and load |
| Power Factor | 0.85 - 0.98 |
| Starting Method | Star-Delta, DOL, or Soft Start |
| Speed Control Method | Variable Frequency Drive (VFD) with Digital Control |
| Insulation Resistance | ≥ 100 MΩ |
| Vibration Grade | Grade 1 (ISO 10816) |
| Parameter | Specification |
|---|---|
| Frame Size | 71 - 400 mm |
| Shaft Diameter | Up to 150 mm (depending on motor power and size) |
| Shaft Length | Variable (based on mounting configuration) |
| Shaft Material | High-strength Steel, Stainless Steel |
| Bearing Type | Ball Bearings, Roller Bearings (depending on size) |
| Enclosure Type | Explosion-Proof Enclosure, IP55, IP56, IP65 |
| Cooling Method | IC411 (self-cooling) or IC416 (forced ventilation) |
| Weight | Varies based on motor size and specifications |
| Noise Level | ≤ 75 dB(A) |
| Vibration | Grade 1 (ISO 10816) |
| Parameter | Specification |
|---|---|
| VFD Compatibility | Supports 0-100 Hz adjustable speed |
| Control Type | Microprocessor-based control system for speed adjustment |
| Control Panel Features | Digital display, Push-button control, Remote control option |
| Speed Regulation | Precise speed control with 0.5% accuracy |
| Overload Protection | Yes (with adjustable overload settings) |
| Thermal Protection | Overtemperature protection via built-in sensors |
| Dynamic Braking | Available on higher power ratings |
| Motor Protection | Phase failure protection, Overcurrent protection |
| Parameter | Specification |
|---|---|
| Explosion Protection Type | Dust Ignition Proof (DIP), Flameproof (Ex d) |
| Temperature Class | T3 - T6 (depending on application and environment) |
| Ingress Protection | IP55, IP56, IP65 (dust and water protection) |
| Surface Temperature | ≤ 180°C (depending on motor size and temperature class) |
| Certification Standards | ATEX, IECEx, UL, CSA |
| Spark-Free Construction | Yes (non-sparking components for hazardous areas) |
| Overcurrent and Short Circuit Protection | Integrated into VFD Control |
| Parameter | Specification |
|---|---|
| Starting Torque | 150% to 250% of rated torque |
| Breakdown Torque | 200% to 250% of rated torque |
| Slip | 1.5% - 6% (depending on motor size) |
| Efficiency | ≥ 85% (IE3 or higher efficiency classes available) |
| Operating Speed Range | Variable (adjustable from 0 to 100% of rated speed) |
| Speed Stability | ±1% of rated speed |
| Load Variability | Supports variable load conditions with stable speed |
At Yongzhuan, we offer high-quality variable frequency explosion-proof motors that combine the latest safety features with energy-saving technology. Here’s why our motors are the right choice for your business:
Our motors are tested and certified to meet ATEX, IECEx, and UL standards, ensuring safe operation in hazardous environments.
Our motors integrate variable frequency drives that optimize energy usage, providing significant savings on electricity bills while maintaining high performance.
Built with high-quality materials, our motors are designed to withstand extreme conditions, ensuring long-lasting performance in demanding industrial environments.
We offer customized motor solutions to fit your specific needs. Whether you require unique power ratings, sizes, or configurations, we provide tailored solutions that maximize your operational efficiency.
Our expert team is always available to provide professional advice on motor selection, installation, and maintenance. We offer full support to ensure that your operations run smoothly.
A variable frequency explosion-proof motor includes a VFD for controlling the motor's speed and torque, optimizing energy use and performance, while a standard motor operates at a fixed speed.
Yes, as long as the motor is properly protected from the elements, such as rain or extreme temperatures, it can be used outdoors in hazardous environments.
A VFD adjusts the speed and torque of the motor to match the load requirements, improving energy efficiency and process control while reducing wear and tear.
Yes, our motors are designed to meet ATEX, IECEx, and UL certifications, ensuring they are suitable for use in explosive atmospheres.
Yes, variable frequency explosion-proof motors are ideal for food processing industries where combustible dust is present, offering both safety and operational efficiency.
Company Profile
Changzhou Yongzhuan Motor Co., Ltd. stands as a renowned player in the motor production industry, boasting over two decades of rich experience. Based in Changzhou, Jiangsu Province, China, the factory benefits from a strategic location near key transportation routes and close proximity to major ports. Spanning an expansive area of 10,000 square meters, the company is committed to delivering high-quality motors and equipment, with an annual production capacity of 300,000 motor sets.
As part of Changzhou Yongzhuan Motor Co., Ltd., Changzhou Victory Machinery Technology Co., Ltd. handles the international trade of the company's premium motors and reducers. Established in 2019, Victory has rapidly expanded its global presence and successfully entered markets in over 50 countries, including regions in Europe, the Americas, and Southeast Asia.
Specializing in high-efficiency 3-phase induction motors, explosion-proof motors, gear motors, and custom motor solutions, Changzhou Yongzhuan Motor Co., Ltd. continues to push boundaries through cutting-edge technology. With more than 10 intelligent testing machines and automated production lines, including robot-assisted manufacturing, the company ensures precision and quality control across its operations.
The product range from Changzhou Yongzhuan includes:
YE3 (IE3) High-Efficiency 3-Phase Induction Motors: Designed for optimal energy savings and performance, meeting international standards for energy efficiency.
YE4 (IE4) High-Efficiency 3-Phase Induction Motors: A premium offering for industries requiring enhanced operational efficiency.
YBX3 Explosion-Proof 3-Phase Induction Motors: Tailored for hazardous environments, offering safety without compromising performance.
Gear Motors, Gear Reducers, and Custom Motors: Designed for specialized applications, these products cater to various industrial needs.
Certified by 3C, CE, and various third-party quality testing bodies, the company’s motors are highly regarded for their reliability and advanced engineering. Major markets include the United States, Germany, Japan, and Italy, underscoring the brand’s credibility in the global motor industry.
At the core of Changzhou Yongzhuan Motor Co., Ltd.'s business philosophy is the commitment to providing reliable, high-performance products. The company upholds the principle of “careful design, high quality, and high efficiency” while maintaining a customer-first approach. The company emphasizes innovation and service, ensuring that each product is tailored to meet the evolving needs of the market.
The journey of Changzhou Yongzhuan Motor Co., Ltd. began with the founder's 15-year tenure as the chief engineer of a state-owned electric machinery company. This period of industry immersion laid the groundwork for the company’s future success.
After more than a decade in the industry, the company was founded. A group of like-minded professionals, driven by a shared vision, embarked on creating their own brand.
In the beginning, the company faced numerous hurdles, including financial difficulties, limited customer acquisition, and operational challenges. Despite these setbacks, the team remained resilient.
The company experienced explosive growth during this period, fueled by China’s rapidly expanding economy. By focusing on quality products and forging strong business relationships, the company became a leading motor manufacturer in Jiangsu Province.
The company is now facing the challenges of a saturated market and intense competition within the industry. To maintain its competitive edge, Changzhou Yongzhuan Motor Co., Ltd. continues to innovate by developing new products, maintaining stringent quality control, and seeking opportunities in high-end and international markets.
1. Proven Expertise: With over 20 years of experience, the company has mastered the art of motor design, manufacturing, and distribution.
2. State-of-the-Art Manufacturing: Equipped with intelligent robotics and automated production lines, the factory produces high-quality motors with precision.
3. Global Certifications: The company’s products meet international standards and hold certifications such as 3C and CE, offering peace of mind to customers worldwide.
4. Diverse Product Range: From high-efficiency 3-phase motors to customized solutions, the company offers a comprehensive selection to meet a variety of industrial requirements.
5. Commitment to Customer Satisfaction: The company’s customer-first approach ensures a focus on delivering value and innovative solutions tailored to specific needs.
Changzhou Yongzhuan Motor Co., Ltd. offers a wide selection of top-tier AC induction motors and related products designed to provide optimal efficiency, reliability, and performance across various industries. Whether you’re looking for high-efficiency motors, explosion-proof solutions, or customized products, the company stands as a trusted manufacturer capable of meeting the unique needs of the global market. With its commitment to quality, innovation, and customer satisfaction, Changzhou Yongzhuan Motor Co., Ltd. is your ideal partner for all your motor solutions.
Frequently Asked Questions
A1: The most effective way to select the right motor or gearbox is by providing a motor drawing with relevant parameters. Our engineers will review this information and recommend the most suitable model for your application. Alternatively, you can provide the following specifications:
1. Type, model, power, and torque.
2. Desired ratio or output speed.
3. Working conditions and connection method.
4. Quantity and machine name for installation.
5. Input mode and input speed.
6. Motor brand/model or flange and motor shaft size.
A2: Yes, we are a professional manufacturer of motors and reducers with 20 years of experience, located in Changzhou, Jiangsu, China.
A3: Our delivery time is approximately 10 days for sample orders and 15 days for bulk container orders.
A4: Absolutely! We would be happy to provide a sample for testing before you place a formal order.
A5: The MOQ is 1 piece per model for factory-branded products and packaging. For OEM branding and packaging, the MOQ is 50 pieces per model.
A6: Yes, we are a premium OEM/ODM manufacturer, certified by independent third-party assessments.
A7: Quality is our top priority. We follow a strict quality control system throughout the production process. Our QC team monitors quality at every stage and performs tests before each shipment to ensure high standards.
A8: We offer a 1-year warranty, starting from the shipping date, as specified in the Bill of Lading (B/L).
A9: We value our customers and ensure long-term relationships by:
· Providing high-quality products at competitive prices to benefit our customers.
· Treating each customer as a friend and conducting business with sincerity, regardless of their location.
