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YVFE4 SIMO High-Efficiency Variable Frequency Three-Phase Asynchronous Motor

YVFE4 Simo High-Efficiency Variable-Frequency Three-Phase Asynchronous Motor

The YVFE4 series Simo high-efficiency variable-frequency three-phase asynchronous motor is designed for industrial automation, fans, pumps, and transmission equipment, offering high efficiency, energy savings, and reliable operation. The motor features an optimized electromagnetic design and precision mechanical structure, fully compatible with inverter drives to ensure smooth starting, efficient operation, reduced energy consumption, and minimized mechanical stress.

This motor series has a compact structure, is resistant to high temperatures and vibration, operates with low noise, and supports multiple power ratings, speeds, and mounting configurations, meeting diverse industrial requirements for energy-efficient and high-performance motors.

  • High-efficiency design, suitable for inverter drives

  • Smooth start and precise speed control, enhancing production efficiency

  • Low noise and vibration, reliable long-term operation

  • Multiple power ratings and mounting options available

  • Applicable to industrial automation, fans, pumps, and transmission equipment

Application Scenarios: Industrial automation equipment, pump and fan systems, transmission equipment, and various energy-efficient industrial applications.

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The YVFE4 series high-efficiency variable frequency three-phase asynchronous motor is designed for industrial applications requiring precise speed control, energy efficiency, and reliable performance. Featuring advanced VFD technology, it provides smooth operation, reduced energy consumption, and long-lasting durability.

Xi’an Taifu Simo YVFE4 Series High-Efficiency Variable Frequency Three-Phase Asynchronous Motor – Professional Guide

Next-Generation Smart Variable Frequency Drive Solution with IE4 Ultra-High Efficiency


01 Product Overview: Advanced Variable Frequency Motor Technology

The YVFE4 Series High-Efficiency Variable Frequency Three-Phase Asynchronous Motor represents a significant innovation in VFD motor technology. Based on the YE4 ultra-efficient motor platform, it integrates IE4 ultra-high efficiency, precise speed control, and excellent environmental adaptability, offering modern industries an intelligent, high-efficiency power transmission solution.

02 Model Structure and Specification Identification

Model Example: YVFE4-132S2-2

Code SegmentDescription
YVFVariable frequency three-phase asynchronous motor
E4IE4 ultra-high efficiency level
132Frame center height 132mm
SFrame length specification
2Core length code
2Number of poles

This naming system follows GB/T 4831 and IEC international standards, ensuring standardization and global compatibility.


03 Product Highlights: Efficient Variable Frequency Drive Solution

Technological Heritage and Innovations

  • Based on the YE4 ultra-efficient motor platform, optimized for variable frequency applications.
  • Achieves IE4 ultra-high efficiency.
  • Fully optimized for stable performance, precise speed control, and energy efficiency under varying loads.

Standards Compliance and Certifications

  • GB/T 755 – Rated power and performance of rotating electrical machines.
  • GB 18613-2020 – Level 1 energy efficiency.
  • IEC 60034-30-2 – IE4 efficiency compliance.
  • Certified as China Energy-Saving Product, with official energy efficiency filing.

Compatibility and Replacement

  • Fully replaces YJTG, YVF2, YVFE2, YVFE3 series low-voltage VFD motors.
  • Enables seamless equipment upgrades and energy-saving retrofits.

04 Core Technical Advantages

1. Electromagnetic Optimization

  • Professional electromagnetic design tailored for VFD supply characteristics.
  • Wide-frequency adaptability:
    • High-frequency overload capability
    • Low-frequency constant torque stability

2. Mechanical & Thermal Design

  • Innovative Cooling System:
    • Parallel and vertical staggered cooling fins for enhanced heat dissipation
    • Optimized airflow ensures efficient heat exchange
  • Noise and Vibration Reduction:
    • FEM-optimized frame and end covers
    • Low vibration and smooth operation
    • Noise control at industry-leading levels

3. Bearing System

  • Frames 80–160: Sealed, maintenance-free bearings
  • Frames 180–355: Front and rear lubrication system for easier maintenance

4. Forced Ventilation Cooling

  • IC416 fully enclosed axial fan
  • Ensures winding temperature remains within safe limits during long-term low-speed constant torque operation

05 Key Technical Parameters

ParameterSpecification
Duty TypeContinuous (S1), suitable for long-term stable operation
Voltage380V standard, optional 400V, 415V, 660V, 690V
Frequency50Hz (customizable)
Power Range0.18kW – 315kW
InsulationClass F, high heat resistance
Poles2, 4, 6, 8, 10, 12 poles
Constant Torque Speed Range3–50Hz / 5–50Hz
Constant Power Speed Range50–100Hz
Overload CapacityExcellent overload handling for impact loads
Low-Speed PerformanceStable torque output across wide frequency range

06 Installation and Protection Features

  • Installation Types: IMB3, IMB35, IMB5, IMV1
  • Protection Rating: IP55 standard
  • Dust and water-resistant for industrial environments

Flexible Structural Design

  • Sensor Integration Options: High-resolution encoders, resolvers, speed feedback devices
  • Accessory Options: Electromagnetic brakes, integrated gear reducers
  • Flexible Terminal Box Positioning: Top-mounted standard, optional left/right placement

07 Environmental Adaptability

  • Operating altitude: ≤1000m
  • Ambient temperature: -15°C to +40°C
  • Maximum relative humidity: 90%

08 Applications and Energy-Saving Benefits

Typical Industrial Loads

  • Fans: Intelligent airflow control, significant energy savings
  • Pumps: Precise flow control, reduced energy waste
  • Compressors: Stable pressure output, improved energy efficiency
  • Heating Systems: Accurate temperature control, optimized thermal system

Energy Efficiency

  • Optimized electromagnetic design reduces iron and copper losses
  • Variable speed adjustment prevents energy waste
  • Wide-speed range ensures stable high efficiency
  • Low vibration and noise improve working conditions

Intelligent Control Integration

  • Seamless integration with automation systems
  • Supports smart control, monitoring, and feedback
  • Improves industrial process efficiency and intelligence

09 Selection and Ordering Guide

Selection Considerations

  • Load type and torque characteristics
  • Required speed range and accuracy
  • Duty cycle and load variation
  • Environmental conditions: temperature, humidity, IP rating

Ordering Specifications

  • Complete motor model and rating
  • Voltage and frequency
  • Installation type
  • Noise level and special configurations
  • Sensors, brakes, gear reducers, or terminal box customization

All special technical requirements should be confirmed with Simo Motor’s technical team before ordering.


10 Xi’an Taifu Simo Quality Assurance

Technical Expertise

  • Leading Chinese motor manufacturer with strong R&D and manufacturing capabilities
  • Provides reliable industrial drive solutions across industries

Service System

  • Comprehensive quality assurance and after-sales service
  • Technical support ensures all YVFE4 motors meet strict performance standards

Economic and Environmental Benefits

  • Energy Saving: Reduces operating costs and energy waste
  • Maintenance: Lower maintenance frequency, longer service life
  • Environmental: Reduces carbon emissions, supports green initiatives

Conclusion

The Xi’an Taifu Simo YVFE4 Series High-Efficiency Variable Frequency Motor delivers innovative design, high performance, and broad industrial adaptability, making it the preferred choice for industrial variable frequency drive applications.

Contact Simo Motor’s professional team for technical guidance, customized solutions, and detailed energy-saving analysis.

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Simo Motor After-Sales Service Policy: Quality First, Customer Foremost

Sincere, Attentive, Dedicated — Simo Always Cares


Preface

Thank you for choosing Simo Motor products. As a company with many years of experience in motor manufacturing, Simo Motor always adheres to the principle of "Quality First, Customer Foremost." Through a comprehensive service system, we ensure that every customer enjoys efficient and professional after-sales support.

Our products have repeatedly been awarded provincial, municipal, and national honors such as “High-Quality Product,” “China Famous Brand Product,” “National Exemption from Inspection Product,” and “China Well-Known Trademark.” To further enhance customer experience, we have formulated this after-sales service policy, aimed at providing comprehensive, prompt, and satisfactory service guarantees.


1. Quality Assurance Commitment

Simo Motor strictly implements full quality control in accordance with international standards, national standards, industry standards, and corporate standards:

  • All products are manufactured under the effective operation of the GB/T 19001-2008/ISO 9001:2008 Quality Management System, ensuring rigorous inspection from raw material intake to final product delivery.

  • We guarantee that all products provided are brand new, unused, and meet the quality requirements stipulated in customer contracts.

  • We maintain a quality management system compliant with GB/T 19001-2000 idt ISO 9001:2000, ensuring its effective operation.


2. Pre-Sales Service

To help customers make the best choice, Simo Motor provides comprehensive pre-sales support:

  • Professional Technical Consultation: Responding to customer inquiries about motor products and technical issues.

  • Personalized Solutions: Objectively introducing Simo Motor product features and performance, and providing customized power solutions.

  • Comprehensive Product Information: Providing detailed quotations, drawings, and motor samples to help customers fully understand the product.


3. Ordering Instructions

To ensure the motor meets your usage requirements, please specify the following parameters when placing an order:

  • Basic Parameters: Motor model, rated power, rated voltage, number of poles, rated frequency.

  • Installation Environment: Protection level, cooling method, installation type, rotation direction, environmental conditions, cable exit position.

  • Usage Conditions: Installation altitude, working environment temperature, motor load type.

For special requirements, a separate technical agreement must be signed before placing an order. You may also call our customer service hotline 159-0292-3228 for professional guidance.


4. Warranty Policy Details

1. Warranty Period

Simo Motor provides a warranty of up to two years from the shipping date. Within this period, if the motor is damaged or cannot operate properly due to manufacturing defects, Simo Motor will repair or replace parts or the motor free of charge.

2. Warranty Coverage

  • The warranty covers product quality issues caused by our company, with free replacement of parts or free repair.

  • Warranty services require correct use and regular maintenance, following the original operation manual and recommended lubrication, cleaning, and care instructions.

3. Exclusions from Warranty

The following are not covered by the warranty:

  • Damage caused by non-designated personnel

  • Unauthorized modifications or self-repair

  • Use of non-official parts or software

  • Failure to follow operation manual instructions for use, handling, and maintenance

  • Damage caused by natural disasters (wind, fire, flood, earthquake, etc.)

  • Normal wear and tear under standard use


5. Post-Warranty Service

After the warranty expires, Simo Motor continues to provide service support:

  • Lifetime Paid Service: After the warranty period, if the product fails, we offer lifetime paid service, supplying consumable parts and components at cost price.

  • Regular Follow-Up: Our after-sales staff will periodically contact users to check product status and address potential issues.

  • Professional Repair Services: The company undertakes repair services for all types of motors, whether under warranty or not, providing professional maintenance and inspection.


6. Service Commitment and Standards

Simo Motor upholds the "Sincere, Attentive, Dedicated — Simo Always Cares" Three-Heart Service Philosophy, ensuring excellent customer experience through standardized service processes:

  • Professional Service Team: A dedicated team provides installation guidance, fault diagnosis, and repair services, ensuring efficient motor operation.

  • Rapid Response Mechanism: After receiving customer feedback, our after-sales team responds promptly and formulates quick solutions.

  • Full Tracking and Records: All service processes are documented to ensure traceability and continuous improvement of service quality.


7. Customer Complaint Channels

If you are not satisfied with Simo Motor’s services, please provide feedback through the following channels:

  • Direct complaints to the service department or headquarters

  • Call our customer service hotline: 159-0292-3228

We take every feedback seriously and continuously strive to improve our service quality.


Conclusion

Simo Motor will continue to provide high-quality products and professional after-sales service. Through a complete service system, we solve your concerns and ensure peace of mind. We firmly believe that only with customer success can Simo Motor grow. Choosing Simo Motor means choosing quality and trust.

Simo Motor — Dedicated Service, Creating the Future Together!

Simo Motor Brand Advantages: Outstanding Quality, Leading Innovation and Development in the Motor Industry

Over 60 Years of Professional Experience, Setting the Benchmark in the Motor Industry


Brand Heritage and Strength

Simo Motor (formerly Xi’an Motor Factory) was established in 1955. As one of the leading enterprises in China’s motor industry, it has over six decades of manufacturing experience and technical expertise. Today, the company has grown into a large-scale modern enterprise integrating motor product R&D, manufacturing, and sales. Its products are widely used in key sectors such as power, coal, petroleum, mining, metallurgy, railways, transportation, chemical, agriculture, water conservancy, and aviation.

With profound technical expertise and continuous innovation, Simo Motor has built a prestigious brand image in the motor industry. Its products are exported to more than 40 countries and regions, including North America, Europe, the Middle East, Southeast Asia, Africa, and Australia, earning trust and praise from global customers.


Core Technology Advantages

1. Leading R&D and Innovation Capability

Simo Motor treats technological innovation as the core driving force of enterprise development:

  • Professional R&D Team: Composed of senior engineers and technical experts focusing on cutting-edge motor technology research and applications.

  • Continuous Investment in Technology: 5%-7% of annual sales revenue is invested in R&D to ensure continuous innovation and product upgrades.

  • Patented Technology Achievements: Over 100 national patents, with multiple products receiving national and provincial science and technology progress awards.

  • Industry-Academia Collaboration: Strategic partnerships with renowned universities and research institutes to advance motor technology development.

2. Excellent Product Quality System

Simo Motor has established a robust quality assurance system to ensure each motor meets the highest standards:

  • International Certifications: ISO9001 Quality Management, ISO14001 Environmental Management, and OHSAS18001 Occupational Health and Safety certifications.

  • Strict Quality Control: 68 rigorous inspection processes from raw material procurement to final product delivery to ensure zero defects.

  • Advanced Testing Equipment: Equipped with international motor performance testing systems, vibration analyzers, noise measurement devices, and more.

  • Continuous Quality Improvement: Comprehensive feedback mechanisms for continuous optimization of production processes and product stability.


Product Advantages and Features

1. High-Efficiency Energy-Saving Technology

Simo Motor actively responds to national energy-saving policies with a series of high-efficiency products:

  • High-Efficiency Motor Series: Meets the national GB18613-2020 energy efficiency standards, with some products reaching IE4/IE5 ultra-high efficiency levels.

  • Energy-Saving Technology: Uses premium silicon steel, low-loss bearings, and efficient cooling systems to reduce operating energy consumption.

  • Intelligent Control Technology: Advanced variable frequency control systems optimize motor operation, improving energy savings by 15%-30%.

2. Outstanding Performance

Simo Motor products are known for high reliability, long service life, and low maintenance costs:

  • Powerful Output: Optimized electromagnetic design ensures high starting torque and strong overload capability.

  • Low Vibration and Noise: Dynamic balancing and noise reduction technologies ensure vibration and noise levels below national standards.

  • Strong Environmental Adaptability: Designed for harsh conditions with heat resistance, moisture-proof, and corrosion-resistant features.

  • Long Lifespan Design: Key components use specialized treatment and premium materials, with a design life exceeding 100,000 hours.

3. Comprehensive Product Series

Simo Motor provides a wide range of products to meet diverse customer needs:

  • High-Voltage Motors: Voltage levels of 6kV, 10kV, and power range 200–10,000 kW.

  • Low-Voltage Motors: Series such as YX3, YE3, YE4, with power range 0.55–1,000 kW.

  • Explosion-Proof Motors: Certified for use in flammable and explosive environments.

  • Special Motors: Customized for industries such as mining, metallurgy, and marine applications.

  • Non-Standard Customization: Strong ability to provide tailored solutions according to customer requirements.


Service System Advantages

Simo Motor has established a comprehensive customer service system:

  • Pre-Sales Technical Support: Professional selection guidance, solution design, and product demonstration.

  • In-Sales Support: Strict contract compliance, on-time delivery, and installation guidance.

  • After-Sales Guarantee: 24-month warranty, 24/7 technical support, 48-hour on-site service commitment.

  • Lifetime Maintenance Support: Customer equipment files maintained for full lifecycle service.


Industry Application Advantages

Simo Motor has extensive experience across key industries:

  • Power Industry: Provides reliable motors for thermal, hydro, and nuclear power.

  • Coal Industry: Explosion-proof motors certified for coal mine safety.

  • Petrochemical Industry: Corrosion-resistant and explosion-proof motors for harsh environments.

  • Metallurgy: High-overload, high-temperature resistant motors meet specialized equipment needs.

  • Transportation: Customized motors for railways, urban transit, and ports.


Brand Honors and Certifications

Simo Motor’s excellent product quality and market performance have earned multiple honors:

  • China Famous Brand Product, National Exemption from Inspection Product, China Well-Known Trademark

  • High-Tech Enterprise, Provincial Enterprise Technology Center

  • Multiple provincial and ministerial-level science and technology awards

  • Credit-worthy and trustworthy enterprise, AAA-level quality reputation


Conclusion

Choosing Simo Motor means choosing reliable quality, leading technology, and comprehensive service support. Over 60 years of professional accumulation have given Simo Motor deep technical expertise and rich industry experience, providing customers with the best motor products and complete power solutions.

In the future, Simo Motor will continue to adhere to the philosophy of “Quality First, Innovation Driven, Customer Foremost”, constantly improving product technology and quality, creating greater value for customers, and contributing to the development of China’s motor industry.

Simo Motor — Powerful, Efficient, and Fully Supported!

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