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SIMO Z4 Series DC Motor

Simo Z4 Series DC Motor

The Simo Z4 series DC motors are high-performance motors designed for heavy-duty industrial applications, rail transit, and precision DC drive equipment. Featuring advanced DC motor technology, this series delivers high efficiency, precise speed control, smooth starting, and reliable operation, making it ideal for complex working conditions and continuous operation environments.

The motor features a compact and robust structure, using high-quality magnetic materials and optimized winding design to ensure stable current, low temperature rise, and low noise during long-term operation. Multiple power ratings, speeds, and mounting configurations are available, allowing seamless integration with DC drive systems and variable-speed controllers for high-precision control and energy-efficient operation.

  • High-efficiency DC motor with precise speed control

  • Smooth start, reducing mechanical impact

  • Low noise and vibration, high reliability

  • Multiple power ratings, speeds, and mounting configurations available

  • Suitable for rail transit, industrial automation, and DC drive equipment

Applications: Rail transit drive systems, industrial automation equipment, hoisting machinery, and various DC-driven industrial applications.

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Excerpt:

The SIMO Z4 series DC motor is engineered for industrial applications requiring efficient and durable DC power. Known for its high performance and exceptional reliability, this motor is ideal for use in applications such as conveyors, electric drives, and automation systems.

Xi’an Taifu Simo Motor Z4 Series DC Motor – High-Efficiency Industrial Drive Solution

Advanced International Technology for Precise and Reliable DC Power in Modern Industry

The Xi’an Taifu Simo Motor Z4 Series DC Motor represents the fourth-generation DC motor technology, integrating advanced electromagnetic design and innovative cooling systems. This series not only preserves the classic advantages of DC motors but also delivers major breakthroughs in dynamic response, speed regulation precision, and energy efficiency, making it an ideal choice for modern industrial automation and drive applications.

Model Identification – Accurate Recognition of Motor Specifications

The Z4 series DC motor uses a systematic model designation. For example, Z4-280-11B:

  • “Z”: DC motor
  • “4”: Fourth-generation series
  • “280”: Center height 280 mm
  • First “1”: Core length code
  • Second “1”: Front end-cover size (1 = short, 2 = long)
  • “B”: Compensation winding configuration

Special models such as Z4-112/2-1:

  • First digit after “/”: motor pole count
  • Second digit: core length code

The naming system follows IEC international standards and GB/T 4831 “Motor Model Coding Method”, ensuring clear identification and specification standardization.


Technical Overview – Innovative Design Leading the Industry

Standards and Specification Range

  • Center height 100–355 mm: Small DC motors (JB/T6316-92 standard)
  • Center height 400–450 mm: Standard series extended models
  • Center height 500–710 mm: New-generation medium DC motors

Key Technical Features

Compared to previous Z2 and Z3 series:

  • Power compatibility: Optimized for DC unit and static rectifier supply
  • Dynamic performance: Lower rotational inertia, stronger load variation tolerance
  • Control precision: Smooth speed regulation, automatic speed stabilization, fast response

Core specifications:

ParameterSpecification
Power range1.5–840 kW
Rated speed9 standard options (3000–200 r/min)
ExcitationStandard separately excited, 180 V
InsulationClass F
EnvironmentAltitude ≤1000 m, ambient ≤40℃

Advanced Structural Design – Solid Foundation for Performance

Innovative Electromagnetic Structure

  • Octagonal laminated stator:
    • +15% space utilization
    • Enhanced pulsed current endurance
    • Supports rapid load variation response
  • Flexible winding configuration:
    • Base models without series winding, supporting forward/reverse control
    • Center height 315–450 mm: standard compensation winding
    • Optional series winding customization

Diverse Cooling Systems

Cooling TypeSuitable EnvironmentAdvantage
IC06Standard industrialSelf-ventilation with fan
IC17Limited airflowDucted intake, louvered exhaust
IC37Enclosed spaceDual duct ventilation
IC611High dustFully enclosed air-to-air
ICW37A86High temperatureFully enclosed air-to-water

Installation and Protection

  • Protection class: Base IP21S, supports higher levels
  • Installation: Complies with GB/T997 and IEC standards
  • Terminal box: Standard forward, optional reverse
  • Shaft extension: Standard left-side, dual extension optional

Core Advantages – Redefining DC Motor Performance

Superior Speed Regulation

  • Wide regulation range for versatile applications
  • High speed stability via automatic stabilization
  • Fast dynamic response to load and speed commands

High-Efficiency Energy Conversion

  • Optimized electromagnetic design reduces iron and copper losses
  • Improved commutation extends brush life
  • Enhanced heat dissipation ensures sustained power output

Broad Application Adaptability

  • Metallurgy: Rolling mill drives
  • Machine tools: Precision metal cutting equipment
  • Process industry: Paper, textile, printing machinery
  • Heavy industry: Cement, plastic extrusion equipment

Intelligent Control Integration

Supports additional modules:

  • Tachogenerators for precise speed feedback
  • Pulse generators for position control
  • Centrifugal switches for speed monitoring
  • Brake systems for rapid stop

Power adaptability:

  • 160V models: recommended with external reactor
  • 440V models: direct operation
  • Special voltage and excitation options available on request

Xi’an Simo Motor Quality Assurance System

Certifications and Standards

  • National standard: GB/T755 Basic Requirements for Rotating Machines
  • International standard: VDE0530
  • Quality system: ISO9001
  • Safety certifications: CE, UL, CCC

Technical Service Commitment

  • Full quality control with non-conforming units rejected
  • 72-hour continuous operation test for performance verification
  • On-time delivery guarantee, special arrangements as needed
  • 24-hour technical response, 48-hour onsite service
  • Three-guarantee policy and lifetime cost-based warranty

Professional Selection and Ordering Guide

Standard Selection Parameters

FactorStandard OptionCustom Option
Power range1.5–840 kWCustom power
Voltage160 V / 440 VSpecial voltage
Speed levels9 standardCustom speed
Cooling5 standard typesCustom cooling
InstallationIMB3Special mounting

Ordering Requirements

  • Complete motor model and specifications
  • Rated power and voltage
  • Speed range and excitation parameters
  • Installation and structural requirements

Special configurations:

  • Environment: tropical “TH” for humid conditions
  • Structural changes: reverse box, reverse rotation
  • Accessories: brushes, brush holders, spare parts
  • Non-standard: technical agreements for custom parameters

Application Recommendations

  • Metallurgical rolling mills: high dynamic response, precise speed control
  • Precision machine tools: smooth low-speed operation, high torque output
  • Production line drives: multi-motor synchronization and coordinated control
  • Special equipment: reliable operation in challenging environments

Selection considerations:

  • Load characteristics: constant torque/power requirements
  • Speed regulation: accuracy requirements
  • Duty cycle: continuous or intermittent operation
  • Environmental conditions: temperature, humidity, dust levels

Conclusion

The Xi’an Taifu Simo Motor Z4 Series DC Motor combines cutting-edge design, exceptional performance, and reliable operation, establishing itself as a critical solution for modern industrial drives. Leveraging strong technical expertise and a comprehensive service system, Simo Motor provides professional technical support and dependable after-sales service.

For detailed technical specifications or personalized selection advice, contact the Simo Motor expert technical team for full-service support.

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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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