Explore our advanced low-voltage and high-voltage three-phase asynchronous, synchronous, explosion-proof, and custom DC motors engineered to optimize operational efficiency and reliability.
Xi’an Lite SIMO Motor Co., Ltd is an electric company and a key enterprise specializing in the manufacturing of large/medium-sized, high/low voltage AC motors, DC motors, synchronous motors, and explosion-proof motors in the Chinese mechanical industry. SIMO is a comprehensive manufacturing and service supplier of motor design, manufacturing, mechanical processing, mold making, and assembly.
The Company ranks TOP in China’s motor industry regarding its production scale and has maintained a fast-growing development trend for consecutive years. With a registered capital of 21.5 million RMB and fixed assets of 380 million RMB, SIMO operates 3 advanced manufacturing factories and one subsidiary factory, utilizing more than 1,172 sets of high-precision equipment to supply dynamic industries globally.
In the global industrial landscape, sourcing OEM low-voltage motors from China, specifically from top-tier manufacturers like Xi’an Lite SIMO Motor Co., Ltd., offers structural economic and logistical advantages that cannot be replicated elsewhere. This competitive edge is built on three pillars: upstream material accessibility, deep manufacturing integration, and scale-driven optimization.
Direct proximity to critical resources such as high-grade cold-rolled non-oriented silicon steel sheets, high-purity electrolytic copper windings, and advanced rare-earth magnets. This proximity reduces transit times and buffers the supply chain from raw material price volatility.
From custom sand-casting foundries and precision CNC shaft-machining centers to automated stator winding stations and Vacuum Pressure Impregnation (VPI) facilities, we house every link of the production loop to guarantee engineering consistency.
Operating in Xi'an, a major logistics hub connected directly to the Belt and Road Eurasian railway corridors and major deep-water ports, we ship massive quantities safely, ensuring short transit lead times for large-scale infrastructure projects.
By leveraging China’s mature industrial clusters, SIMO provides OEM low-voltage motors that not only meet but exceed the efficiency requirements of western markets at a lower Total Cost of Ownership (TCO). Our integrated layout enables us to perform heavy testing (no-load, full-load, temperature-rise, and vibration analysis) under one roof, reducing delivery lead times to global customers.
Procurement managers and OEM buyers in markets like Europe, North America, and Australia face strict operational requirements when sourcing low-voltage industrial motors. Energy conservation directives, combined with the risk of unplanned downtime, demand partners who offer high engineering precision.
Energy Efficiency Regulations: With the implementation of IEC 60034-30-1 and the transition from IE3 to IE4/IE5 ultra-premium efficiency, buying low-voltage induction motors is no longer just about initial cost. It is about lifecycle energy cost reductions. In heavy industries like mining and petrochemicals, motors run continuously (8,760 hours a year). Over a 10-year lifespan, energy consumption represents more than 95% of a motor's TCO.
Our YE4 and YE5 series three-phase motors meet these global efficiency mandates. This helps international companies reduce their Scope 2 emissions and comply with carbon border adjustments.
Application Customization: Global operations require specialized mounting configurations (B3, B5, B35), non-standard shaft dimensions, dual-shaft extensions, custom encoder fittings, and forced-cooling configurations (IC416) for variable speed drives. SIMO’s dedicated engineering team of 260+ specialists works directly with customer CAD assemblies to customize frames and winding layouts, ensuring drop-in replacement on-site.
SIMO Motor was established under state-owned management, laying the foundation for heavy mechanical industrial growth in northwest China.
Relocated to a dedicated, expanded manufacturing facility in Xi'an, concentrating engineering talent and machinery assets.
Re-organized and renamed as Xi'an Motor Factory, acquiring several local mechanical enterprises to integrate the supply chain.
Successfully transitioned from a state-owned enterprise to a modernized limited liability company, introducing agile market systems.
Established the SIMO Motor Group with 14 subsidiaries. Relocated to a state-of-the-art high-tech manufacturing plant spanning 150,000+ sqm.
Rebranded as Tech Full Simo Motor. Expanded international operations, securing global certifications (UL, CE, GOST) and leading the Chinese high-efficiency motor export sector.
SIMO designs and manufactures a comprehensive catalog of low and high-voltage motors, covering 34 major series, 1,800 varieties, and over 19,500 distinct specifications. Output ratings span from 0.35 kW to 25,000 kW. Our low-voltage catalog is engineered to withstand voltage fluctuations, high vibrations, and corrosive environments.
Featuring our YE3, YE4, and YE5 series three-phase motors. Operating on 380V, 400V, 415V, 440V, or 660V, these motors use low-loss stator laminations and optimized rotor geometries to meet the highest international efficiency standards (IE3, IE4, and IE5). They help reduce operating temperatures and extend bearing lifecycle.
Our flameproof and explosion-proof models include the YBX3, YBX4, YBX5 (explosion-proof low-voltage), YFB3 (dust explosion-proof), and YBBP (variable frequency explosion-proof) series. Designed for coal mines, petrochemical refineries, and chemical processing facilities, these motors comply with ATEX and IECEx standards to isolate internal arcs or sparks from volatile atmospheres.
Represented by the YVFE3, YVFE4, and YVFE5 variable speed ranges. These motors feature Class F or Class H insulation systems treated with special corona-resistant resins. This protects windings against dV/dt voltage spikes common with IGBT frequency converters, while optional isolated bearings prevent shaft current damage.
For applications requiring precise torque control and wide speed regulation, such as metal rolling mills, plastic extruders, and marine winches. The Z4 and Z series DC motors feature a compact octagonal stator frame designed to run on thyristor rectifiers. This configuration delivers high dynamic response and excellent commutation characteristics.
Our continuous research and development have resulted in high manufacturing standards. SIMO’s testing laboratory is certified by national standards, ensuring that every motor shipped matches the target design performance.
SIMO low-voltage electric motors are customized to handle the specific operational challenges of key industries:
Our YBK3 and TDMK series motors are built to operate in dusty, explosive environments. They feature cast-iron frames, IP56 ingress protection, and reinforced end-shields. This design withstands continuous vibrations on mining mill grinders, conveyor belts, and ventilation fans.
In environments containing explosive gases, reliability is essential. Our YBX3, YBX4, and YBBP explosion-proof motors feature precision-machined joints and flameproof paths. These features contain internal sparks, protecting the surrounding environment in pumping stations, compressors, and mixers.
Metal processing demands high torque. Our Z series large DC motors and YR, YRKK slip ring motors provide high starting torque and precise speed control under variable loads. They feature heavy-duty commutators and brush rigging designed for steel and aluminum rolling mills.
For municipal infrastructure projects, our YE4/YE5 three-phase low-voltage motors run clean-water distribution pumps, wastewater aeration blowers, and storm-water drainage pumps. In these applications, high efficiency directly translates to lower operational costs for local municipalities.
Our quality management systems meet international standards. SIMO motors are certified for import, installation, and operation in major industrial regions.
Every low-voltage motor from our production line undergoes rigorous testing before shipment. Our quality assurance program is certified under ISO 9001:2015, ISO 14001, and OHSAS 18001. For international markets, SIMO motors hold certificates including:
The electric motor industry is undergoing a digital and environmental transformation. As industrial operators prioritize carbon neutrality, three major trends are shaping the future of low-voltage motors:
Transition to IE5 Ultra-Premium Efficiency: Operating margins are shrinking, while energy costs remain volatile. The transition to IE5 efficiency (which reduces motor energy losses by up to 20% compared to IE4) is accelerating. Permanent magnet synchronous motors (PMSM) and synchronous reluctance technologies are replacing standard induction motors in variable speed applications.
Condition Monitoring & Predictive Maintenance: Smart factories require connected equipment. By integrating vibration, temperature, and magnetic flux sensors directly onto the motor frame, operators can detect bearing wear or winding insulation degradation before failures occur. This shift from corrective to predictive maintenance helps prevent unplanned downtime in continuous process industries.
Advanced Insulation & Material Optimization: Modern Variable Frequency Drives (VFDs) use high carrier frequencies that place high electrical stress on motor insulation. Next-generation winding designs feature double-insulated wire and high-resin VPI treatments. These improvements resist partial discharge and micro-arcs, ensuring reliable performance when paired with advanced drives.
Browse our heavy-duty high-voltage, synchronous, variable frequency, and high-efficiency induction motors built for reliability.
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