Deploying High-Efficiency, High-Voltage, and Explosion-Proof Systems for Severe Duty Environments
Xi’an Lite SIMO Motor Co., Ltd is an electric company, main enterprise specializing in the manufacturing of large/medium-sized, high/low voltage AC motors, DC motors, synchronous motor, and explosion-proof motor in the Chinese mechanical industry. SIMO is a comprehensive manufacturing and service supplier of motor design, manufacturing, mechanical processing, mold making, assembling. The Company ranks TOP in China’s motor industry as to its scale of production, and has maintained fast-growing development trend for consecutive years.
As global energy conservation requirements intensify and environmental regulations tighten, the industrial sector faces the critical challenge of upgrading traditional electric drive systems. Selecting high-quality IEC low voltage motors is no longer just a purchasing decision; it is a long-term strategic investment affecting carbon footprint, operational expenditure (OPEX), and plant reliability.
By integrating state-of-the-art electromagnetic modeling, precision copper winding methods, and heavy-duty structural frames, SIMO motors ensure high-efficiency operations that fully align with IEC 60034-30-1 standards. From heavy mining operations to petrochemical processing plants requiring strict explosion-proof specifications, SIMO’s custom engineering accommodates diverse industrial needs globally.
Deciphering design architectures, safety parameters, and power-to-weight optimization
Our product range features comprehensive coverage of international efficiency classes. From standard IE3 Premium Efficiency configurations up to next-generation YE4 (IE4 Super Premium) and YE5 (IE5 Ultra Premium) models, achieving up to a 40% reduction in motor energy dissipation losses.
Paired with variable speed drives, the YVFE3, YVFE4, and YVFE5 series motors are equipped with high-dielectric insulated bearings and optimized stator wind patterns, preventing destructive electrostatic discharge (shaft currents) and ensuring consistent performance across wide speed ranges.
For hazardous environments, our YBX3, YBX4, and YBX5 explosion-proof series provide exceptional flameproof and dust explosion-proof capabilities. Certified for Zone 1, Zone 2, Zone 21, and Zone 22, these systems feature custom mechanical clearance controls and robust enclosures.
SIMO's design and manufacturing scope covers an exhaustive range of specifications tailored for commercial and heavy industrial duty cycles. The power range spans from 0.35 kW up to 25,000 kW, structured across 34 major series, 1,800 varieties, and more than 19,500 distinct cataloged configurations.
Key motor classes in active production include:









From a state-owned industrial plant to a top-tier global motor manufacturing hub
Why sourcing from Xi'an, China provides unparalleled reliability and economic scale
China’s industrial supply chain for heavy machinery is one of the most mature and integrated in the world. By operating from the Xi'an high-tech zone, SIMO has direct access to high-grade silicon steel mills, copper smelting operations, and specialized component casting facilities. This localization eliminates import delays and buffers our clients from raw material price volatility, maintaining an uninterrupted manufacturing pipeline.
With over 1,172 sets of advanced machining equipment, including CNC floor-type boring machines, heavy-duty dynamic balancers, vacuum pressure impregnation chambers, and automated winding centers, SIMO guarantees the physical tolerances required for high-efficiency operation. Because we maintain in-house mold-making capabilities, we can adapt mechanical interface layouts, customized shafts, and terminal box placements to fit specific legacy configurations without extending production lead times.
Every single low-voltage and high-voltage motor manufactured by SIMO undergoes rigorous factory acceptance tests (FAT). Our load-test field is one of the most advanced in Northwest China, capable of running full-load thermal trials on systems up to 25,000 kW. These diagnostic procedures verify temperature rise gradients, noise curves, and electromagnetic efficiency, assuring buyers that the motor performs to its design specifications from the moment of installation.
How SIMO Motors drive efficiency and safety across global industrial operations
In petrochemical refineries, offshore gas platforms, and organic chemical plants, volatile gases demand motors that cannot produce spark or surface ignition. By deploying YBX3, YBX4, and YBX5 explosion-proof asynchronous motors, operators establish high-tier safety zones. Our flameproof paths prevent any internal ignition from escaping the heavy enclosure.
Underground coal mines require dust-proof and explosion-proof equipment (like the YBK3 Flameproof motor). Dust explosion-proof models (such as YFB3 series) prevent fine coal dust or metallic particles from penetrating active electrical housings, avoiding catastrophic dust ignitions and operating reliably under high shocks and moisture.
Large municipal water transport, treatment, and distribution networks rely on YE3 and YE4 low-voltage motors driving high-volume fluid pumps. By utilizing variable frequency setups (YVFE3/YVFE4 series), city managers can dynamically adjust pump outputs to match city demand, capturing massive electrical savings and extending pipeline lifetime.
Verified regulatory compliance for seamless cross-border integration
To support our global client base, SIMO maintains comprehensive compliance verification with key international bodies. Our industrial manufacturing lines passed ISO9001 Quality System Certification, EU "CE", US "UL", and Russian "GOST". These ensure our equipment integrates smoothly into European, North American, Russian, and Asian industrial markets.
















Answering critical engineering and sourcing questions for design houses, EPCs, and managers
VFD, Flameproof, Medium-Voltage, and Specialized Low-Voltage System Customization