Xi'an SIMO Motor Group Co., Ltd.Professional Manufacturer of High Voltage Large Motors, DC Motors, VFD Motors...
inquiry-hotline:8618691557858

YR IP44 Series Low Voltage Asynchronous Motor

SIMO YR IP44 Series Low-Voltage Three-Phase Asynchronous Motor, produced by Xi’an Taifu SIMO Motor, adopts a wound rotor structure, offering excellent starting performance and speed regulation capability. It is particularly suitable for equipment with frequent starts, load starting, or high-impact loads, such as cranes, hoists, ball mills, rolling mills, and conveying machinery in various industrial applications.

产品防护等级为 IP44,具备可靠的耐尘防水能力,保证电机在复杂环境中长期稳定运行。可按客户要求设计滑环结构、接线方式、安装型式及绝缘等级,满足不同工况需求。性能稳定、维护便利,是替代进口电机的理想动力设备。

  • 额定电压:380V~660V(可选)

  • 功率范围:可定制

  • 启动转矩大、抗过载能力强

  • 适用于多行业重载机械驱动

原厂技术支持 + 选型指导 + 售后保障,全方位服务工业用户。

Safe and Reliable
Well-Made
Custom Design
Quality Assurance
Online MessageAdd on WeChatCopy WeChat ID
Free Service Hotline 8618691557858
  • Product Details
  • After-Sales Service
  • Brand Advantages
  • Contact Us

Excerpt:

The YR IP44 series low voltage asynchronous motor is designed for reliable operation in demanding industrial environments. Featuring IP44 protection, robust construction, and stable performance, it is suitable for applications requiring high starting torque and smooth operation, such as conveyors, fans, pumps, and compressors.

YR IP44 Series Low-Voltage Three-Phase Asynchronous Motor: Efficient and Reliable Industrial Power Solution

In the field of industrial power transmission, the YR IP44 Series Low-Voltage Three-Phase Asynchronous Motor stands out for its exceptional starting performance and stable operational characteristics. Designed to handle heavy-duty applications, this series has become the preferred power solution for industrial machinery and equipment requiring reliable startup and continuous operation across multiple sectors.

With robust construction, high efficiency, and adaptability to harsh industrial environments, the YR IP44 series ensures consistent performance, energy savings, and extended motor life, making it an ideal choice for industries such as manufacturing, processing, material handling, and automation systems.

YR IP44 Series Low-Voltage Three-Phase Asynchronous Motor: Efficient, Reliable Industrial Power Solution

Product Overview
The YR IP44 Series Low-Voltage Three-Phase Asynchronous Motor is a fully enclosed wound-rotor three-phase motor, engineered with advanced electromagnetic design and high-quality materials. It features high starting torque, excellent speed regulation, reliable operation, and easy maintenance. This series strictly complies with JB/T 7119-2022 standards for YR series (IP44) wound-rotor three-phase motors, with power ratings and installation dimensions meeting IEC international standards for easy integration and replacement in industrial equipment.

The YR IP44 series operates at a rated voltage of 380V and a frequency of 50Hz, with power ranging from 4 kW to 315 kW and frame sizes from 132 to 355, suitable for a wide variety of industrial applications. Designed as the core of industrial power, it drives heavy machinery such as compressors, crushers, hoists, fans, pumps, and conveyor systems. Its enclosed design ensures dependable performance in harsh industrial environments, making it ideal for mining, machinery, petrochemical, power generation, and general industrial applications.

Core Technical Features

  • Exceptional Starting Performance: The wound-rotor design provides high starting torque at low starting currents, reducing grid impact. This design solves the problem of insufficient torque in standard squirrel-cage motors under heavy load start conditions.
  • Flexible Speed Control: The wound-rotor structure allows adjustable speed through external resistors, enabling smooth speed regulation for different operating requirements.
  • High Efficiency and Electrical Performance: Equipped with B or F class insulation, low noise, and stable operation, the motor ensures long service life and energy savings.

Technical Specifications

ParameterSpecification
Frame SizeH132–H355
Rated Power4 kW – 315 kW
Rated Voltage380V (options: 220V, 400V, 415V, 660V, 1140V)
Rated Frequency50Hz (optional 60Hz)
Protection ClassIP44
Insulation ClassB or F
Cooling MethodIC411 (TEFC)
Duty TypeS1 (continuous duty)
Mounting OptionsIMB3, IMB5, IMB35, standard installations

Performance Characteristics

  • Excellent Starting: High torque at low inrush current, suitable for heavy loads.
  • Wide Speed Range: Smooth speed control via rotor resistance adjustment.
  • Low Vibration and Noise: Optimized design ensures stable operation.
  • High Power Factor: Reduces reactive power, improving grid efficiency.

Construction and Configuration

  • Enclosure: IP44 protection against solid objects >1mm and water splashes.
  • Stator: Reliable B or F class insulation, varnished and securely fixed.
  • Rotor: Wound rotor with high-quality materials, connected via slip rings for external resistor control.
  • Junction Box & Cooling: Flexible wiring options; IC411 full-enclosure self-cooling ensures heat dissipation and continuous operation.

Applications

  • Heavy Industry: Mining (crushers, hoists), Metallurgy (rolling mills, compressors), Power plants (fans, pumps).
  • General Industrial Equipment: Compressors, pumps, conveyor systems, machine tools.
  • Special Scenarios: High starting torque requirement, limited feeder capacity, frequent starts, adjustable-speed applications.

Product Advantages and Value

  • Reliable Operation: Robust construction, high-quality insulation, adaptable to harsh environments.
  • Energy and Cost Efficiency: Reduced starting current, higher startup capability, long service life, lower total cost of ownership.
  • Maintenance-Friendly: Enclosed structure, modular components, long maintenance intervals.

Installation & Usage Guidelines

  • Operate in environments below 1000m altitude and ≤40°C.
  • Ensure sufficient space around motor for cooling and maintenance.
  • Proper startup requires rotor resistance insertion; suitable for coupling, gear, or belt drives.
  • Follow nameplate and wiring diagrams for safe electrical connection.

Quality Assurance and Support

  • Complies with JB/T 7119-2022 and national standards.
  • Each motor undergoes strict testing and factory performance validation.
  • Comprehensive after-sales support: professional technical consultation, rapid response, long-term service.

The YR IP44 Series Low-Voltage Three-Phase Asynchronous Motor offers excellent starting performance, flexible speed control, and reliable operation, making it a premier choice for industrial power solutions. Selecting the YR IP44 series ensures dependable equipment performance and professional technical support, driving energy-efficient industrial operations and sustainable development.

WeiboWeChatFacebookCopy linkLinkedIn

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!

Phone

Service Hotline:
1869-155-7858

WeChat
Message

Contact Us for Exclusive Service!