High-efficiency, explosion-proof, and variable-frequency motors engineered to lower Operational Expenditure (OPEX) and meet global carbon neutrality regulations.
In the era of dynamic industrial restructuring, energy cost escalation, and stringent global climate regulations, the transition from traditional induction drives to Permanent Magnet Synchronous Motors (PMSM) has become critical for global industrial enterprises. Standard induction motors rely on electromagnetic rotor excitation, causing significant internal heat generation and copper losses. In contrast, PMSM solutions integrate high-coercivity Neodymium-Iron-Boron (NdFeB) permanent magnets within the rotor structure, entirely eliminating rotor-side copper losses and delivering unprecedented efficiency across all load profiles.
According to recent international engineering assessments, industrial electric motor drives account for over 53% of global electricity consumption. Transitioning to PMSM systems offers a direct path toward achieving the Ultra-Premium IE5 efficiency standard. This technology maintains a high power factor and near-optimal efficiency even under partial loads (ranging from 25% to 100%), outperforming asynchronous setups which experience dramatic efficiency drops when operated off-nominal points.
Xi'an Lite SIMO Motor Co., Ltd is positioned at the forefront of this industrial revolution. Backed by our robust research infrastructure and integrated manufacturing facilities, we deliver high-performance electric motors that combine China's advanced supply chain resilience with Western engineering compliance, ensuring certified dependability under the most demanding conditions.
Xi’an Lite SIMO Motor Co., Ltd is an electric machinery manufacturer specializing in large, medium, and small high-voltage, low-voltage AC/DC electric motors, synchronous drives, permanent magnet technologies, and explosion-proof propulsion systems.
Positioned as a comprehensive manufacturing partner, SIMO's capabilities span motor design, precision mechanical processing, structural mold engineering, custom stator/rotor winding, assembly, and automated test runs. Over several decades, our manufacturing volume, technological patents, and quality control systems have consistently placed SIMO among the top electric motor suppliers in China.
Operating from our headquarters in the historic industrial hub of Xi’an, we serve key sectors such as mining, metallurgy, petrochemicals, municipal water networks, railways, defense, marine engineering, and modern automated logistics.
From a foundational industrial factory to a leading global supplier of high-efficiency permanent magnet and high-voltage motors.
SIMO Motor is established under state supervision, laying the foundation for modern heavy industrial electric machinery production in northwestern China.
Production transitions to a newly constructed manufacturing facility in Xi'an City, expanding manufacturing capacity and engineering infrastructure.
The company merges with several regional suppliers, consolidating operations under the brand "Xi'an Motor Factory."
Reformed from a state-owned factory into a limited liability company, introducing private investment to accelerate product innovation.
SIMO Motor Group is established, encompassing 14 specialized subsidiaries to streamline components fabrication and engineering services.
Operations move to a modernized high-tech industrial park, integrating CNC tooling, vacuum pressure impregnation facilities, and automated testing facilities.
Rebranded as Tech Full Simo Motor, aligning corporate strategy with international export standards and high-efficiency motor R&D.
Expanding global market share with IE4/IE5 PMSM motors and explosion-proof drives compliant with European CE, American UL, and Russian GOST standards.
Why leading global EPCs, mines, and industrial plants partner with Chinese manufacturers for high-capacity motor procurement.
Neodymium magnets (NdFeB) are the core component of high-efficiency PMSM systems. China produces over 70% of the world's rare earth magnets, providing SIMO with a stable supply of raw materials and shielding global buyers from extreme pricing fluctuations.
SIMO's plant features a high-voltage feedback test center capable of testing motors up to 25,000 kW under full load. Every motor undergoes comprehensive testing for temperature rise, vibration, shaft current, and torque-speed curves before dispatch, ensuring field reliability.
With 260+ design and research engineers on-site, we customize shaft extensions, bearings, mounting configurations, and winding voltages (380V to 10kV) to match existing layouts, simplifying retrofit processes.
With 34 major series, over 1,800 varieties, and 19,500 specifications, we cover the full spectrum of industrial power requirements.
Our high-voltage high-efficiency line includes the YX, YXKK, and YXKS series three-phase asynchronous motors. For wound rotor applications requiring high starting torque, the YR, YRKK, and YRKS series provide optimal torque characteristics with low startup currents. These lines are designed for heavy-duty applications like conveyor drives, mill grinders, and municipal water pumps.
Additionally, we supply the YE3, YE4, and YE5 series ultra-premium efficiency asynchronous motors, as well as the YVFE3, YVFE4, and YVFE5 series variable-frequency speed-regulated motors, providing energy-efficient control across broad speed ranges.
For hazardous operations, our YBX3, YBX4, and YBX5 explosion-proof series are certified to handle volatile gases and dusts. These motors feature robust flameproof enclosures designed for petrochemical plants, coal gas operations, and grain processing facilities.
Our product line also features heavy-duty synchronous motors, including the T, TD, TK, and TDMK series, along with large-size TFW series synchronous generators (350kW to 5000kW). For precision-controlled processes, our legacy Z2, Z4, and Z series industrial DC motors offer robust performance under variable speeds and high starting torques.
| Motor Series | Enclosure Class | Efficiency Class | Output Range | Voltage Options | Key Applications |
|---|---|---|---|---|---|
| YE5 Series | IP55 / IP65 TEFC | IE5 Ultra-Premium | 0.55kW - 375kW | 380V / 660V | Pumps, Fans, General Machining, Air Compressors |
| YVFE3 / YVFE4 | IP55 / IP66 Forced Air | IE3 / IE4 Premium | 0.75kW - 1000kW | 380V - 10kV | Steel Rolling Mills, Variable-Load Conveyors, Extruders |
| YXKK / YXKS | IP54 / IP55 (Air-Air / Air-Water) | High Efficiency HV | 220kW - 25,000kW | 6kV / 10kV | Compressors, Mining Ventilation, Water Networks |
| YBX4 / YBX5 | Ex d I Mb / Ex d IIB T4 Gb | Flameproof IE4 / IE5 | 0.37kW - 1000kW | 380V - 10kV | Offshore Oil Rigs, Refineries, Underground Coal Mines |
| TDMK Series | IP23 / IP44 Brushless Sync | High Efficiency Synchronous | 500kW - 10,000kW | 6kV / 10kV | Large Ball Mills, Grinders, Pulp Beaters |
| Z4 Series | IP21S / IP44 Drip-Proof | DC Motor Standard | 1.5kW - 600kW | 220V / 440V | Extruders, Cable Winches, Paper Machinery |
SIMO's quality control systems are certified under the ISO9001 Quality System standard. Our products carry international certifications to meet the legal and technical requirements of major global markets:
These certifications ensure that SIMO motors can be integrated directly into projects globally, meeting the safety and performance standards required by local utilities and insurers.
How SIMO motors are deployed across key global industries to support reliable, long-term operations.
Scenario: Operating in Class I Division 1 or Zone 1/21 hazardous environments with flammable gases.
Solution: We install our flameproof YBX4 & YBX5 low/high voltage explosion-proof motors. These units feature thick, cast-iron Ex d enclosures and non-sparking terminal compartments to contain internal ignition, ensuring safe operations in hazardous areas.
Scenario: Driving raw mills, crushers, and long-distance belt conveyors under high dust loads and heavy vibration.
Solution: We supply YRKK slip ring high-voltage motors and heavy TDMK synchronous drives. These systems deliver the high starting torque required to launch fully loaded conveyors, protecting local grids from voltage sags.
Scenario: Driving large-capacity pumps for agricultural irrigation and city water pipelines, requiring continuous operation.
Solution: The YXKS series air-water cooled motors provide clean heat dissipation and low noise levels. Equipped with automatic temperature and vibration monitoring sensors, they allow control rooms to predict maintenance needs.
Industrial sourcing decisions go beyond standard ratings. Procurement managers and lead engineers must balance efficiency requirements with mechanical reliability and supply chain risks:
1. System Inrush Current & Startup Torque: High-inertia equipment requires high startup torque without causing grid drops. Our engineering team selects winding configurations and VFD parameter profiles to match startup loads.
2. Thermal Management and Bearing Integrity: Heat is the primary cause of winding insulation failure. SIMO motors feature integrated PT100 temperature sensors on both bearings and windings, alongside grease relief ports, to prevent overheating under continuous duty cycles.
3. Structural and Electrical Retrofit Engineering: When retrofitting older systems, new motors must fit existing foundations. We provide custom base designs to match old footprint dimensions, saving you from expensive concrete and structural modifications.
Technical clarifications on PMSM technology, high-voltage motor selection, and custom procurement processes.
High-voltage systems, synchronous machinery, and legacy DC drive systems built to international engineering standards.
Lite Simo
