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YR IP44 Series Low-Voltage Three-Phase Asynchronous Motors: Efficient and Reliable Industrial Power Solutions

YR IP44 Series Low Voltagethree-phase asynchronous motorHigh-Efficiency, Reliable Industrial Power Solutions

In the field of industrial power transmission, the YR IP44 series low-voltage three-phase asynchronous motors are characterized by theirOutstanding starting performance和Stable operating characteristicsIt has become the ideal power unit for starting and operating heavy-duty equipment across various industries.

Product Overview

YR IP44 series low voltage three-phase asynchronous motoris aClosed-Wound Rotor Three-Phase Asynchronous MotorAdoptionAdvanced electromagnetic design and premium materialsmanufacture, possessingHigh starting torque, excellent speed regulation performance, reliable operation, and easy maintenance.and other characteristicsThis series of motors strictly adheres toJB/T 7119-2022Technical Specifications for YR Series (IP44) Wound-rotor Three-phase Asynchronous Motors and other national standardsIts power rating and installation dimensions comply withInternational Electrotechnical Commission (IEC) standardsfor easy equipment integration and replacement.

The rated voltage of the YR IP44 series motors is380 voltsThe rated frequency is50 hertzPower range covers4 kilowatts to 315 kilowattsThe frame number starts from132–355It is capable of meeting the power requirements of different industrial scenarios.

As the core of industrial power, the YR IP44 series motors are suitable for driving various heavy-duty machinery and equipment, such asCompressor, crusher, winch, fan, pump, conveyor belt等. itsEnclosed structureEnsures reliable operation across diverse industrial environments, making it the ideal prime mover for mines, machinery manufacturing, petrochemical plants, power stations, and various industrial and mining enterprises.

Core Technical Features

Outstanding starting performance

YR IP44 Series Motors AdoptWound Rotor DesigncanDelivers greater starting torque at lower starting currentseffectively reduces the impact on the power grid. This design addresses the issue of excessive current and insufficient torque during heavy-load starts in conventional squirrel-cage motors, making it particularly suitable forStart with loadoperating conditions.

Flexible speed regulation characteristics

The wound rotor structure enables the motorFeatures a certain speed adjustment rangeSpeed adjustment can be achieved via an external resistor to meet the demands of different operating conditions.This feature makes the YR IP44 series motors ideal for applications requiringSpeed ControlIt performs exceptionally well in its application scenarios, offering more flexible operating modes than conventional squirrel-cage motors.

Highly efficient electrical characteristics

YR IP44 Series Motors featureHigh efficiency, excellent performance, low noise, and reliable operationand other characteristicsThe motor employsClass B Insulation或Class F InsulationSystemIt features reliable insulation performance and a long service life.higher efficiency levelsNot only does it effectively reduce operating costs, but it also delivers significant energy-saving economic benefits to society.。

Technical Parameters and Performance Specifications

The YR IP44 series low-voltage three-phase asynchronous motors cover a wide range of technical specifications to meet the power requirements of various industrial applications. Below are the main technical parameters for this series of motors:

Table: YR IP44 Series Motor Main Technical Parameters

parameter category	Technical specifications and performance indicators
Seat number range	H132 to H355
rating	4 kW to 315 kW
rated voltage	380V(Also available in 220V, 400V, 415V, 660V, 1140V, etc.)
Rated frequency	50Hz(Can also be manufactured at 60Hz upon customer request)
protection class	IP44 (Protection against solid objects larger than 1 mm in diameter and splashing water from any direction)
Insulation class	Grade B or Grade F
Cooling method	IC411 (Fully Enclosed Self-Fan-Cooled)
work system	S1 (continuous duty)
Installation form	IMB3, IMB5, IMB35 and other standard mounting forms

Description of performance characteristics

YR IP44 Series Motors inStart-up characteristics, operating performance, and speed regulation rangeExcellent performance in all areas:

Excellent starting characteristics：Low starting current but high starting torquecan easily start heavy-duty equipment
Wide speed rangeBy connecting an external resistor to the rotor circuit, it is possible toSmoothly adjust the rotational speed within a certain rangeto meet different process requirements
Low vibration and low noise: AdoptionOptimized design and precision manufacturing processesThe motor runs smoothly with low vibration and low noise.
Higher power factorOptimized design enables the motor to haveHigher power factorImprove grid quality and reduce investment in reactive power compensation equipment.

Structural Design and Configuration

Main Structure of the Motor

YR IP44 Series Low-Voltage Three-Phase Asynchronous Motors AdoptEnclosed structure designEach component is carefully designed and optimized:

Protective housing design: The protection class of the motor isIP44canPrevents the effects of solid foreign objects larger than 1 mm in diameter and water splashing from any direction.Excellent protective performance, suitable for a wide range of industrial environments
Stator structure: The stator winding is made ofClass B or Class F insulation materialsThe insulation performance is reliable. The winding section is securely fixed and treated with varnish, ensuring dependable electrical strength and mechanical strength, making it robust and durable.
Rotor construction: AdoptionWound rotor structureConnected to an external resistor via slip ringsThe rotor windings adoptQuality materials和Precision Manufacturing ProcessEnsure smooth and reliable motor operation

Wiring and Cooling System

The YR IP44 series motors feature specialized designs for wiring and cooling:

Junction Box DesignThe junction box is designed for optimal electrical connectivity. It can be customized to meet specific user requirements.Gearmotor-specific motors, pump-specific motors, dual-shaft motors, motors with special mounting configurations等
cooling system: AdoptionIC411 Cooling Method(Fully enclosed self-ventilated type)Internal fans create airflow circulation to effectively dissipate heat generated by the motor, ensuring continuous and stable operation under rated load.

Application Areas and Scenarios

The YR IP44 series low-voltage three-phase asynchronous motors are widely used across numerous industrial sectors due to their excellent starting characteristics and reliable operational performance:

Heavy Industry Sector

Mining industry: for drivingCrushers, winches, hoistsHeavy-duty equipment, such as heavy-duty equipment, to withstand harsh working conditions
Metallurgical industry: Applied toRolling mills, compressorsand other equipment, providing reliable power support
Power industry: forpower plantsof various auxiliary equipment, such asFans, pumps等

General Industrial Sector

Compressor and pump equipment: Applicable toCompressors, pumpsand other equipment, providing efficient power solutions
transmission mechanism: Applied toConveyor belts, transportation machineryMaterial handling equipment to meet the needs of continuous operation
cutting machine: for all kinds ofMachine ToolsThe drive provides a stable power output

Special Application Scenarios

YR IP44 series motors are particularly suitable for the following special operating conditions:

Requires high starting torquethe occasion
The feeder line capacity is insufficient to start the squirrel-cage rotor motor.the situation
Long startup time and frequent startupsspecifications
Requires fine-tuning of speedapplication

Product Advantages and Value

Operational reliability

The YR IP44 series motors offer distinct advantages in reliability:

Rugged structural design: AdoptionEnclosed structureIt can withstand mechanical and thermal stresses under various working conditions to ensure long-term stable operation.
High-quality insulation systems: AdoptionClass B or Class F insulation materialsWhen the altitude does not exceed 1000 meters and the cooling air temperature does not exceed 40°C, the temperature rise limit of the motor stator windings (resistance method) shall not exceed 80K.Except for a few specific models, electric motors generally have a temperature rise margin exceeding 15K, extending the service life of the motor.
Good environmental adaptability: The motor is suitable for use at altitudes ofNot exceeding 1000mAmbient TemperatureNot more than 40°CContinuous operation in the environment of

Energy-saving economic benefits

The YR IP44 series motors offer significant economic benefits:

Reduce inrush current：Lower starting currentReduce the impact on the power grid and lower the capacity requirements for power supply equipment.
Enhance startup capabilities：Higher starting torqueEnables smooth startup of heavy-duty equipment, reducing equipment failure rates.
Low life cycle costs：Long life design和Low maintenance requirementsDramatic reductions in total life cycle costs
Compact and lightweightThe entire series of electric motors outperforms traditional legacy products.The average volume reduction is 15%, and the average weight reduction is 12%.

Ease of Maintenance

This series of motors has been designed with ease of maintenance in mind:

Maintenance-friendly structural designThe enclosed structure facilitates routine inspections, maintenance, and repairs.
modular design: Modularized design of key components to reduce maintenance difficulties and spare parts inventory
Long life design: AdoptionQuality Insulation SystemsLong design life, long maintenance intervals

Installation and User Guide

Installation Environment Requirements

YR IP44 Series Low-Voltage Three-Phase Asynchronous Motors have specific requirements for the installation environment:

environmental conditions: Suitable for use at altitudeNot exceeding 1000mAmbient temperatureNot more than 40°CContinuous operation in the environment of
humidity conditionThe average relative humidity for the wet month is90%At the same time, the average monthly minimum temperature does not exceed25°C
mounting position: Ensure adequate space around the motor for cooling ventilation and maintenance

Installation and Commissioning

Correct installation and commissioning is the key to ensure the safe operation of the motor:

Startup RequirementsWhen the motor startsA starting resistor must be connected in advance in the rotor circuit.，Direct short-circuiting of the rotor windings for starting is not permitted.
transmission methodThe motor transmission method can beCouplings, spur gears, or belt drives
electrical connection: Properly wire the motor in accordance with the motor nameplate and wiring diagram to ensure that thereliable grounding

Service and Technical Support

Quality Assurance System

The production of the YR IP44 series low-voltage three-phase asynchronous motors adheres to strict quality standards:

standards compliance: The products strictly follow theJB/T 7119-2022National and industry standards
Strict testing process: In the manufacturing process afterMultiple rigorous testsEnsure that the performance of the product meets the requirements of the standard
Comprehensive performance testing: Each motor isRigorous factory testingEnsure reliable product quality

After-Sales Service Commitment

Simo motorsProvide customers with comprehensive after-sales service guarantee:

Professional Technical Support: Provide professional consulting services for product selection and installation guidance
Rapid Response Mechanism: Respond to and resolve customer issues in a timely manner upon receipt of after-sales service requests
Ongoing services: Provide customers with long-term technical support and service guarantee

YR IP44 Series Low-Voltage Three-Phase Asynchronous Motors, with theirOutstanding starting performance、Flexible speed regulation characteristics和Reliable operational performanceIt has become the industrial powerhouse of theIdeal Solution. ByContinuous technological innovation和Strict quality controlXima Motors ensures that every YR IP44 series motor can operate inHarsh industrial environmentssubscribeSafe, stable and efficientThe power of the support.

Choosing the YR IP44 series low-voltage three-phase asynchronous motors means choosingReliable equipment performance和Complete technical servicesWe are looking forward to cooperating with you. We are looking forward to cooperating with you to jointly promote the progress and development of energy-saving technology in the industrial field.

Tags：Wire-wound motors

Simo motorsAfter-sales service policy: quality-oriented, the user first!

Sincere, intimate, and devoted, Simo will always be attentive.

preamble

Thank you for choosing Simo Motor products. As an enterprise with many years of experience in motor manufacturing, Simo Motor always insists on “Quality oriented, customer first”For the purpose, through the perfect service system, to ensure that every customer can enjoy efficient and professional after-sales service.

Our products have been awarded the honorary titles of “High Quality Products”, “China Famous Brand Products”, “National Inspection-free Products” and “China Well-known Trademark” for many times by provinces, cities and ministries. Famous Trademark" honorary title. In order to further enhance customer experience, we have formulated this after-sales service policy, aiming to provide customers with comprehensive, fast and satisfactory service guarantee.

I. Quality Assurance Commitments

Simo Motor implements comprehensive quality control in strict accordance with international standards, national standards, machinery industry standards and enterprise standards:

All products are listed in the “GB/T 19001-2008/ISO 9001:2008 quality management system”Production is carried out under effective operation to ensure that raw materials are strictly and perfectly inspected from the time they enter the factory to the time the products leave the factory.
Commitment that all products offered areNew and unusedand meets the quality requirements specified in the user's contract.
Adhere to the quality management system in accordance with “GB/T 19001-2000 idt ISO 9001:2000 standard”, and keep the quality management system running effectively.

Second, pre-sale service content

To help customers make the best choice, Simo Motors offers comprehensive pre-sales support:

Specialized technical consulting: Receive inquiries from customers about the business and technical aspects of motors, and answer all kinds of questions from customers.
Personalized Solutions: Objectively introduce the performance and characteristics of Simo's motor products and provide customized power solutions according to customer needs.
Comprehensive product information: Provide detailed quotations, drawings and motor samples and other information to help customers fully understand the characteristics of the product.

III. Ordering instructions

To ensure that the motor meets your needs, please specify the following parameters when ordering:

Basic parameters: Motor model, rated power, rated voltage, number of poles, rated frequency
installation environment: Protection class, cooling method, mounting method, rotation direction, environmental conditions, outlet location
Conditions of use: Altitude and working temperature of the installation site, type of load of the motor

if anyspecial requirementIf you have any questions about our products, please feel free to contact us, we need to sign another technical agreement before signing the order contract. You can also directly call our customer service hotline:15902923228 Access to professional guidance.

IV. Warranty Policy Details

1. Warranty period

Simo Motors offersNot more than two years from date of shipmentThe warranty service. Within this specified time period, if the motor is damaged or fails to function properly due to poor manufacturing quality, Simo Motors willRepairing or replacing parts or motors at no cost to the user。

2. Warranty coverage

Warranty covers product quality problems caused by our company, the company will replace the relevant parts or provide free repair.
Warranty services need to be based onProper use and normal maintenanceThe machine should be used correctly in accordance with the original operating manual and maintained, lubricated and cleaned in accordance with the original manufacturer's recommendations.

3. Non-warranty coverage

The following are not covered by the warranty:

由Non-designated maintenance staffDamage caused
Unauthorized modifications or self-disassembly
utilizationUnofficial spare parts or software
Failure to comply with operating manualsPrescribed guidelines for use, handling and maintenance
因natural disaster（Damage to products caused by wind, fire, flood, earthquake, etc.
Natural wear and tear under normal use

V. Post-warranty services

After the expiration of the warranty period, Simo motors provide continuous service support:

Reimbursable services for life: After the expiration of the warranty period, if the product malfunctions, our company implements lifelong paid service, the required wearing parts and spare parts toCost price supply。
(pay a) regular return visit: After-sales service staffFrom time to time, we will make return visits to the usersUnderstand the status of product usage and resolve potential issues in a timely manner.
Professional Repair ServiceThe company undertakes the repair of all kinds of motors, regardless of whether they are under warranty or not, and can provide professional overhaul and maintenance services.

VI. Service commitments and standards

Simo Motors is committed to “Sincerity, thoughtfulness, devotion, Simo will always be attentive.”The “Three Hearts” service concept ensures customer experience through standardized service processes:

Professional Services Team: The company has set up a specialized service team to provide installation guidance, troubleshooting and maintenance services to ensure the efficient operation of the products in the process of use.
Rapid Response Mechanism: The after-sales service team will respond promptly to customer feedback and quickly develop solutions.
Full track record: Detailed records are kept for all service sessions to ensure traceability of the service process and continuous improvement of service quality.

VII. User complaint channels

If you are not satisfied with the services provided by Simo Motors, you are welcome to provide feedback through the following channels:

direct marketingComplaints from Service Department and Headquarters
Call the customer service line:15902923228

We will take every piece of feedback seriously and continue to improve the quality of our services.

concluding remarks

Simo Motors will continue to provide customers withHigh quality products and professional after-sales serviceWe will solve your worries through a perfect service system. We firmly believe that only the success of the customer, the development of Simo. Choosing Simo motor is choosingQuality and Trust。

Simo motors--Service with heart, create the future together!

Simo motorsBrand advantage: excellent quality, leading the motor industry innovation and development

More than sixty years of professional precipitation, to create a benchmark brand in the motor industry

Brand heritage and strength

Simo Motors (former)Xi'an Electric Machinery Factory) was founded in 1955, as China's motor industryleading enterprisesThe company is one of the leading manufacturers of electric motors in the world, with more than sixty years of experience and expertise in the manufacturing of electric motors. The company has now developed intoIntegration of R&D, manufacturing and sales of motor productsOur products are widely used in many important fields such as electric power, coal, petroleum, mining, metallurgy, railroad, transportation, chemical industry, agriculture, water conservancy, aviation and so on.

Simo motors are recognized for theirDeep technical heritage和Continuous spirit of innovationThe company has established an excellent brand image in the motor industry, and its products are exported to more than 40 countries and regions such as North America, Europe, the Middle East, Southeast Asia, Africa, Australia, etc., which are trusted and highly praised by users all over the world.

Core Technology Advantage

1. Leading research and development innovation capabilities

Simo Electric always takes technological innovation as the core driving force of enterprise development:

Professional R&D Team: Has a team ofSenior engineers and technologistsThe R&D team, which is composed of a team of researchers, focuses on the cutting-edge research and application development of motor technology.
Continuous technical investment: invest an annual percentage of sales5%-7% As R&D funding to ensure continuous technological innovation and product upgrades
Patented Technology Achievements: Cumulative access toMore than a hundred national patentsA number of products have won national and provincial awards for scientific and technological progress.
Industry-University-Research Cooperation: Establishing strategic cooperative relationships with many well-known universities and scientific research institutions to jointly promote the development of motor technology.

2. Excellent product quality system

Simo Motors has established a comprehensive quality assurance system to ensure that every motor meets the highest quality standards:

International Standard Certification: Fully adoptedISO9001 Quality Management System Certification、ISO14001 Environmental Management System Certification和OHSAS18001 Occupational Health and Safety Management System Certification
Strict quality control: Implementation from raw material procurement to finished product shipment68 strict quality control proceduresEnsure zero defects in products
Advanced testing equipment: Equipped with international advancedMotor Performance Test System、Vibration Analyzer、Noise test equipmentetc., comprehensive testing of various performance indicators of the motor
Continuous Quality Improvement: Establish a perfect quality feedback mechanism, continuously optimize the production process, and improve product quality and stability.

Product Advantage Characteristics

1. Energy efficient technologies

Simo Motors actively responds to the national energy-saving and emission reduction policy and launches a series of energy-efficient products:

High Efficiency Motor Series: To meet the nationalGB18613-2020 standardEnergy efficiency rating, some products reachIE4, IE5 ultra-high efficiency level
Application of energy-saving technologies: AdoptionHigh Quality Silicon Steel Sheet、Low loss bearings、High efficiency cooling systemetc., significantly reducing operational energy consumption
Intelligent control technology: Supporting the advancedFrequency control systemThe optimal control of the motor operating state is realized, and the energy-saving effect is improved 15%-30%

2. Excellent performance

Simo Motor products are characterized byHigh reliability, long service life, low maintenance costsAnd famous:

Powerful power output: Optimized electromagnetic design solutions to ensure that the motorHigh starting torque and high overload capacity
Low vibration and low noise: AdoptionDynamic balancing process和noise reduction technologyThe vibration and noise values are better than the national standards.
Highly adaptable to the environmentProduct design takes into account all kinds of severe working conditions, withResistant to high temperature, humidity and corrosionand other properties
Long life design: The key components are made of special treatment and high quality materials, and are designed to last up to100,000 hoursthat amount or more

3. Complete product range

Simo Motors offers a comprehensive range of products to meet the needs of different customers:

High voltage motorsrange: Voltage level coverage6kV, 10kVMultiple ratings, power range200-10000kW
Low Voltage Motor Series:: IncludesYX3, YE3, YE4and other series, power range0.55-1000kW
Explosion-proof motorsrange: ByNational explosion-proof certificationFor use in flammable and explosive hazardous areas
Specialized motor series: Developed for specific industry needsSpecialized for coal mine, metallurgy, and shipsSpecialty motors
Non-standard customization capability: Strong customization and development capability, according to the customer's needsPersonalized Solutions

Service System Advantage

Simo Motor has established a comprehensive customer service system:

pre-sales technical support: Provide professional selection guidance, program design and product demonstration
Intimate service during the sale: Strict contractual performance, ensuring on-time delivery and providing installation guidance
Comprehensive after-sales protection：24 months warranty，7×24 hours technical support，48-hour on-site servicepromise
Lifetime maintenance support: Establish customer equipment files and provide full life-cycle service support

Industry Application Advantages

Simo motors have accumulated a wealth of application experience in a number of key industries:

Power industry: Provide supporting motors for thermal power, hydropower and nuclear power, with stable and reliable operation.
coal industry: Explosion-proof motor products passed the coal mine safety certification, safety recognized by the industry
petrochemicalsCorrosion-resistant, explosion-proof special motors to adapt to the harsh working conditions and ensure safe production.
Metallurgical industry: High overload capacity, high temperature resistant motors to meet the special needs of metallurgical equipment
Transportation: Specialized motor solutions for railroads, rail transit, ports, etc.

Brand Honors and Certifications

Simo motors have won many honors for their excellent product quality and good market performance:

China Famous Brand Products、National Inspection-free Products、China Famous Trademarks
High-tech enterprises、Provincial Enterprise Technology Center
A number of products won the provincial and ministerial-level scientific and technological progress awards
Contract and Trustworthy Enterprise、Quality and reputation AAA grade enterprise

concluding remarks

Choosing Simo motors is choosingReliable quality assurance、Leading Technical Strength和Complete service supportSimo Motors is a leading manufacturer of electric motors in China. With more than sixty years of professional accumulation, Simo motors have a profound technical background and rich industry experience, and are able to provide customers in various industries with the best quality motor products and perfect power solutions.

In the future, Simo Motor will continue to uphold the "Quality-oriented, innovation-driven, customer first"business philosophy, and constantly improve the level of product technology and quality level, to create greater value for customers, and make greater contributions to the development of China's motor industry.

Simo motors - strong power, excellent energy efficiency and perfect service!