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YBE2 Series Explosion-Proof High-Efficiency Three-Phase Asynchronous Motor

YBE2 Series Explosion-Proof High-Efficiency Three-Phase Asynchronous Motor

The YBE2 Series Explosion-Proof High-Efficiency Three-Phase Asynchronous Motor is specifically designed for coal mines, petrochemical plants, natural gas facilities, and other flammable or explosive environments, combining energy efficiency with safety performance. The motor features a reliable explosion-proof enclosure and optimized electromagnetic design, ensuring long-term stable operation in hazardous conditions while reducing energy consumption and maintenance costs.

The motor structure is robust and durable, with reinforced bearings and insulation systems capable of withstanding continuous heavy loads and frequent start-stop operations. It supports multiple explosion-proof grades, cooling methods, installation types, and customizable voltage parameters, making it suitable for a wide range of industrial equipment.

  • High-efficiency motor design, significantly reducing energy consumption

  • Explosion-proof grade configurable according to working conditions

  • High power density output, low temperature rise, smooth operation

  • Long-life bearings and optimized insulation for easy maintenance

  • Supports customized installation and operating parameters

Applications: underground coal mining power equipment, petrochemical production systems, oil and gas transportation equipment, and other industrial power systems in hazardous environments.

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Excerpt:

The YBE2 series explosion-proof high-efficiency three-phase asynchronous motor is designed for industrial applications in hazardous environments. Featuring a flameproof structure and high energy efficiency, it ensures reliable and safe operation in industries such as petrochemical, chemical processing, and mining.

YBE2 Series Explosion-Proof High-Efficiency Three-Phase Asynchronous Motor: A Safe and Reliable Industrial Power Solution

In industries such as petroleum, chemical processing, and coal mining, the YBE2 Series Explosion-Proof High-Efficiency Three-Phase Asynchronous Motor stands out for its excellent explosion-proof safety and superior energy efficiency, making it an ideal power solution for hazardous and potentially explosive environments.

The YBE2 series explosion-proof high-efficiency three-phase induction motor is a totally enclosed, self-fan-cooled, squirrel-cage, flameproof motor independently developed by Xi’an Xima Motor Co., Ltd., combining advanced international technology with decades of manufacturing experience. This motor series features outstanding explosion-proof safety, high efficiency, reliable operation, and long service life, and is specifically designed for hazardous locations where explosive gas mixtures may be present.

YBE2系列防爆型高效率三相异步电动机
YBE2系列防爆型高效率三相异步电动机

1. Product Overview and Technical Features

1.1 Product Introduction

The YBE2 series explosion-proof high-efficiency three-phase asynchronous motor is one of Xima Motor’s key products in the explosion-proof motor field. With frame sizes ranging from H132 to H355, it meets a wide range of power ratings and installation requirements.

This series is designed and manufactured in strict accordance with GB 18613-2012 (Energy Efficiency Limits and Grades for Small and Medium Three-Phase Asynchronous Motors), meeting Grade 3 energy efficiency, which is equivalent to IE2 efficiency level under IEC 60034-30. It provides users with a cost-effective, energy-saving, and environmentally friendly industrial drive solution.

1.2 Core Technical Advantages

  • Advanced explosion-proof design: Fully compliant with GB 3836.1 and GB 3836.2 standards. The flameproof enclosure effectively prevents internal explosions from spreading to the external environment, ensuring maximum operational safety in hazardous areas.
  • High efficiency and energy savings: Optimized electromagnetic design and low-loss materials significantly improve efficiency, reducing energy consumption and operating costs compared with conventional explosion-proof motors.
  • Robust mechanical structure: Totally enclosed construction with IP55 protection class, effectively preventing dust, moisture, and contaminants from entering the motor, ensuring reliable operation in harsh industrial environments.

2. Technical Parameters and Performance

Main Technical Specifications

  • Frame size range: H132–H355
  • Rated voltage: 380V, 660V, 380V/660V (other voltages available on request)
  • Rated frequency: 50Hz
  • Protection class: IP55
  • Insulation class: F
  • Cooling method: IC411 (self-fan-cooled, TEFC)
  • Duty type: S1 (continuous duty)
  • Explosion-proof marking: Exd I, Exd II AT4, Exd II BT4 (depending on application)
  • Mounting types: IMB3, IMB5, IMB35, etc.

Performance Highlights

  • High efficiency and energy saving, meeting GB18613-2012 Grade 3 and IE2 standards
  • Low noise and low vibration, ensuring smooth and stable operation
  • Wide voltage adaptability, maintaining stable performance under power supply fluctuations

3. Structural Design and Configuration

3.1 Main Motor Structure

  • Flameproof enclosure: Manufactured from high-strength materials with sufficient mechanical strength to withstand internal explosion pressure without deformation or damage, preventing flame propagation.
  • Optimized cooling system: Totally enclosed self-fan-cooled structure with parallel and vertical cooling fins, ensuring excellent heat dissipation and continuous stable operation under rated load.
  • Explosion-proof terminal box: Special flameproof design with cylindrical spigot flameproof joints and “O”-ring sealing, providing enhanced explosion-proof safety and reliable cable connection.

3.2 Internal Core Components

  • Stator: F-class insulation system with reliable insulation performance and long service life; optimized design for efficient energy conversion.
  • Rotor: Manufactured with high-quality materials and precision processes, featuring excellent dynamic balance for smooth and reliable operation.
  • Bearing system: Proper bearing configuration according to frame size; larger frame motors are equipped with online grease injection devices for easy maintenance and extended service life.

4. Applications and Industries

The YBE2 series explosion-proof high-efficiency three-phase asynchronous motor is widely used in various hazardous industrial environments:

4.1 Petrochemical Industry

  • Oil and gas drilling and extraction equipment
  • Pumps, compressors, and process equipment in chemical plants
  • Fans and pumps in refineries operating in explosive atmospheres

4.2 Coal Industry

  • Fixed underground coal mine equipment (non-mining faces), such as pumps and ventilation systems
  • Coal preparation plants and coal processing machinery operating in dusty environments

4.3 Other Hazardous Locations

  • Industrial sites with explosive gas mixtures
  • Customized versions available for outdoor use (W), humid and tropical environments (TH), and dry hot climates (TA)

5. Product Advantages and Value

5.1 Safety and Reliability

  • Strict compliance with national explosion-proof standards
  • Advanced flameproof structure ensuring safe operation in explosive environments
  • Optional protection devices such as bearing temperature monitoring and winding overheat protection

5.2 High Energy Efficiency

  • Reduced operating costs through high-efficiency design
  • Improved power factor and reduced reactive power losses
  • Lower total lifecycle cost due to energy savings and reduced maintenance requirements

5.3 Easy Maintenance

  • User-friendly structural design for inspection and servicing
  • Modular components reduce maintenance complexity and spare parts inventory
  • Long service life with F-class insulation and large thermal margin

6. Installation and Operation Guidelines

  • Suitable for environments with ambient temperatures up to 35°C (underground mines) or 40°C (industrial plants), minimum -15°C
  • Installation altitude ≤1000 m
  • Relative humidity up to 95% at 25°C (underground) or monthly average 90% (industrial)
  • Requires a solid, level foundation and precise alignment when coupled to driven equipment
  • Electrical connections must strictly follow nameplate data and explosion-proof installation standards

7. Service and Technical Support

Xi’an Xima Motor Co., Ltd. has established a comprehensive quality assurance system to guarantee the superior quality of the YBE2 series motors:

  • Full compliance with GB 755-2008, GB 3836 series, and related international standards
  • Strict inspection and testing throughout manufacturing
  • Every motor undergoes no-load, load, and dielectric strength testing before delivery

After-Sales Service

  • Professional technical support for selection, installation, and commissioning
  • Fast response to quality feedback and on-site service when required
  • Long-term technical support and service commitment

With its excellent explosion-proof performance, high efficiency, and reliable operation, the YBE2 Series Explosion-Proof High-Efficiency Three-Phase Asynchronous Motor is a trusted industrial power solution for hazardous environments. Backed by continuous technological innovation and strict quality control, Xima Motor ensures stable, safe, and efficient power for demanding industrial applications.

Choosing the Xima YBE2 series means choosing safety, efficiency, and professional service for your industrial operations.

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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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