20 hp dc electric motor
Frame number: 100-450
Application:Z4 series motorsThis series of motors can be widely used in various industrial sectors such as metallurgical industrial rolling mills, metal cutting machine tools, papermaking, dyeing and weaving, printing, cement, and plastic extrusion machinery.
Power range：1.5-600kW
Voltage range: 160V,440V, etc.
Certificate: The performance of this series of motors not only complies with the national standard GB/T755 "Basic Technical Requirements for Rotating Electrical Machines", but also basically complies with the German VDE0530 standard.
Advantage:Z4 series DC motor has greater advantages than Z2 and Z3 series. It can not only be powered by DC unit power supply, but also suitable for static rectifier power supply. It has small moment of inertia, good dynamic performance, and can withstand high load change rates. It is especially suitable for control systems that require smooth speed regulation, high efficiency, automatic speed stabilization, and responsive response. It has reached the current international advanced level..
Others: SKF, NSK, FAG bearings can be replaced according to customer requirements.
- Product Description
20 HP DC Electric Motor | Z4 Series Industrial Power Solutions for Precision Speed Control
In industrial automation and heavy-duty machines, power transmissions need to be dependable with accurate speed control. Shaanxi Qihe Xicheng Electromechanical Equipment 20 hp dc electric motor is based on fourth-generation Z4 series technology and offers power from 1.5-600kW and voltage choices of 160V-440V. This motor has F class insulation, 20:1 constant torque speed regulation ratio and meets GB/T755 and VDE0530 standards. It is compact in structure, low in vibration performance and has excellent dynamic response for metallurgical rolling mills, metal cutting operations and industrial process equipment requiring smooth speed adjustment and automatic stabilisation.
20 hp dc electric motor Manufacturer and Supplier
Shaanxi Qihe Xicheng Electromechanical Equipment Co., Ltd. maintains 20+ years of industry experience supplying industrial power solutions. We’ve formed strategic agreements with 30+ worldwide motor manufacturers including ABB, Siemens, Wolong, XEMC, among others, giving us access to premium components and cutting-edge technology. All products are tested to the highest standards with CCC, CE, ISO9001:2000, CRCC, and UL certifications and can be relied upon to function consistently in the most demanding situations.
Pain Points vs. Solutions
Customer Challenge | Our Solution |
Frequent speed fluctuations affecting product quality | Automatic speed stabilization with responsive feedback control |
High energy consumption increasing operational costs | F-class insulation with optimized thermal management reduces losses |
Limited speed range restricting process flexibility | 20:1 constant torque and 4:1 constant power speed regulation |
Motor failures causing costly production downtime | SKF/NSK/FAG premium bearings and proven Z4 design reliability |
Incompatibility with modern rectifier systems | Suitable for both DC unit and static rectifier power supplies |
Technical Advantages
Our Z4 series motors surpass legacy Z2/Z3 models through engineering innovations. Small moment of inertia enables rapid acceleration and deceleration, critical for high-precision operations. F-class insulation withstands thermal stress better than older B-class systems, extending service life in harsh environments. The wider speed regulation range accommodates diverse process requirements without motor replacement. Enhanced dynamic performance tolerates sudden load changes, protecting your equipment investment while maintaining output consistency.
Production Process
We implement SAP factory management systems monitoring every production phase. Material selection begins with trusted brand components meeting international standards. Precision machining ensures tight tolerances for balanced rotation and minimal vibration. Multi-stage quality checkpoints verify electrical parameters, insulation integrity, and mechanical alignment. Final testing simulates real-world conditions including overload scenarios and thermal cycling before dispatch.
Industry Applications
Metallurgical Sector: Rolling mill operations benefit from smooth torque delivery and load variation tolerance.
Machine Tools: Metal cutting equipment achieves precise spindle control with stable speed maintenance.
Paper & Printing: Continuous web processing requires the constant tension control our motors provide.
Cement Production: Crusher and conveyor systems operate reliably under dusty, high-vibration conditions.
Plastic Extrusion: Temperature-sensitive processes gain from the thermal stability and consistent output of 20 hp dc electric motor.
Customization Capabilities
Your unique requirements drive our engineering approach. We adjust dimensional specifications to fit existing installations. Voltage ratings adapt to regional power standards or specialized control systems. Bearing upgrades to SKF, NSK, or FAG brands accommodate specific load profiles. Cooling configurations—self-ventilated IC0141, forced air IC06, or water cooling ICW37A8—match your environmental conditions. Shaft modifications, mounting arrangements, and encoder integrations complete your exact specifications.
Reliability Testing & Certifications
Our quality commitment manifests through comprehensive certification portfolios. CCC and CE markings confirm regulatory compliance for domestic and European markets. ISO9001:2000 certification validates our quality management systems. Railway CRCC approval demonstrates suitability for critical transportation applications. Environmental ZDHY certification and China energy-saving production credentials reflect our sustainability focus. International UL and GOST recognitions expand global applicability, ensuring your investment meets local and international standards.
Why Choose XCMOTOR
Authentic Components: Only genuine parts from verified manufacturers enter our supply chain.
Fast Delivery: Streamlined logistics provide prompt order fulfillment without compromising quality.
Flexible Returns: 30-day open purchase policy protects your procurement decisions.
Continuous Support: Technical assistance available including weekends for uninterrupted operations.
Competitive Advantages: Two decades of motor industry expertise combined with manufacturer partnerships deliver optimal price-performance ratios, shortened production cycles, and tailored transportation solutions across sea, land, air, and multimodal routes.
FAQ
Q：What's the difference between Z2 and Z4 DC Motor?
A：Z4 features F-class insulation, wider speed range, compact structure, lower vibration and noise; Z2 represents older generation with narrow speed ratio and B-class insulation, gradually replaced by Z4.
Q：What does Z4 stand for in Z4 DC motor?
A：Z indicates DC motor, 4 represents fourth-generation optimized national standard design, upgraded from Z2 series with improved performance, smaller volume, and wider speed regulation.
Q：What are the common rated voltages and insulation class?
A：Standard armature voltages include 160V, 400V, and 440V DC; insulation grade F-class offers superior heat resistance versus Z2 series.
Q：What cooling methods are available?
A：Main cooling types include self-ventilated IC0141, separate forced air IC06, and water cooling ICW37A8, suitable for continuous heavy-load operation.
Q：What is the speed regulation range?
A：Constant torque speed regulation ratio reaches 20:1, constant power ratio achieves 4:1, ideal for equipment requiring wide variable speed capability.
Contact Us
Ready to enhance your industrial operations with proven 20 hp dc electric motor technology? Reach our technical team at XCMOTORs@163.com for application consultation and quotations.
