Explore our elite range of low and high voltage electrical powertrains engineered for extreme industrial environments.
In critical industrial environments classified as Zone 1 or Zone 2 hazardous areas, safety is not merely a feature—it is the baseline of operational viability. The "Increased Safety" (Ex e) protection concept represents a highly engineering-intensive approach to mitigating ignition risks.
Unlike flameproof enclosures (Ex d) which are designed to withstand an internal explosion and prevent it from propagating to the external atmosphere, Increased Safety motors (Ex e) focus on prevention. By eliminating the possibility of high temperatures, electrical arcs, and sparks occurring in both normal operation and under specific fault conditions, Ex e motors ensure safety through supreme structural and insulation integrity.
This prevention methodology demands highly strict manufacturing tolerances, optimized electromagnetic designs, and specialized thermal monitoring systems. For global buyers looking to acquire low and high voltage Ex e motors, identifying certified manufacturers who combine cost-efficiency with uncompromising engineering adherence is crucial.
Xi'an Lite SIMO Motor Co., Ltd. represents the peak of Chinese electrical machine engineering, with over six decades of continuous development.
SIMO Motor is established and led by the Chinese government, laying the foundation of industrial motor design in Northwest China.
Following key strategic acquisitions, the enterprise is officially renamed Xi'an Motor Factory, consolidating heavy mechanical and electrical assets.
Reformed into a joint-stock limited company, expanding into a comprehensive group with 14 specialized subsidiaries.
Relocated to a state-of-the-art high-tech industrial complex, integrating modern CNC machinery and VPI insulation facilities.
SIMO Motor’s R&D department oversees 34 major series, including 1,800 varieties and 19,500 distinct specifications. Our power ranges span from a modular 0.35 kW up to megawatt-class 25,000 kW installations.
YX, YXKK, YXKS Series: Engineered for high-voltage (6kV, 10kV) environments, utilizing advanced ventilation architectures and high-permeability silicon steel to achieve premium efficiency metrics.
YBX3, YBX4, YBX5 Series: Certified flameproof and increased safety configurations designed to meet rigorous ATEX, IECEx, and China GB regulations for petrochemical and coal industries.
Z2, Z4, and Z Series: Specialized large and medium-sized DC motors engineered for metallurgy, paper making, and heavy industrial cranes demanding high starting torque and precise velocity control.
Operating out of our advanced Xi'an facility, SIMO utilizes more than 1,172 sets of high-precision heavy-duty manufacturing equipment. This infrastructure includes automated CNC coil winding systems, continuous-loop vacuum pressure impregnation (VPI) equipment, and state-of-the-art motor performance testing facilities capable of full load validation.
Increased safety motors are tailored to specific geographical, climatic, and industrial system layouts. SIMO specializes in customizing electrical and mechanical features to meet diverse field conditions.
In midstream oil and gas transport and downstream refineries, volatile hydrocarbon vapors present constant ignition risks. Ex e motors are widely implemented in pump, compressor, and air-cooler fan drives. By optimizing the terminal box design and stator coil insulation, SIMO motors resist moisture condensation and chemical corrosion typical of Gulf and coastal refinery setups.
Underground coal mines combine explosive gases (methane) and combustible coal dust. SIMO's YBK3 and TDMK series are configured with heavy-duty cast iron frames and dust-tight IP65 enclosures, ensuring safe operation at extreme mechanical load points without generating frictional hot spots or internal insulation failure.
As the green hydrogen economy scales, fuel processing plants demand high safety profiles due to hydrogen’s broad explosive limits and low ignition energy. SIMO has developed specialized increased safety drives featuring enhanced air-gap configurations and embedded thermistor sensors in the stator windings to prevent thermal overload even under transient conditions.
Agricultural processing plants face severe threat profiles from combustible organic dust (e.g., starch, wheat dust). Our YFB3 and YFB4 dust explosion-proof series utilize non-sparking external cooling fans and sealed, dust-excluding bearing designs to protect against dust ingress and hot friction hazards.
The global motor industry is undergoing a transition driven by efficiency legislation and digital integration. SIMO's engineering team is leading this revolution through three core technological paths.
By using highly optimized rotor geometry, higher grade copper filling factor, and low-loss electromagnetic steel laminations, SIMO is expanding the YE5 series to exceed IE5 premium efficiency thresholds. This reduces operational energy dissipation by up to 20% compared to standard IE3 induction motors.
Integrating predictive maintenance sensors directly into the motor frame. Our new generation of hazardous-area motors features vibration transmitters, bearing RTDs, and winding thermal sensors, sending real-time health data to SCADA systems to anticipate failure modes before they compromise safety.
Standard motors driven by VFDs suffer from harmonic heating and voltage spikes. SIMO's YBBP and YVFE series utilize reinforced insulation (Class H) and insulated bearings to mitigate shaft currents, ensuring safe operation across a wide speed range in explosion-hazardous areas.
Global procurement officers frequently face the challenge of securing high-quality, fully-certified industrial motors without exceeding budget allocations. Buying from a direct Chinese manufacturer like SIMO offers significant strategic advantages.
Raw Material Integration: China accounts for a vast portion of the global production of raw copper, high-grade silicon steel sheets, and rare-earth magnets. By operating in Xi'an, a major logistics hub along the Belt and Road, SIMO has direct access to high-quality domestic materials, protecting our production timelines from global supply shocks.
Advanced Production Automation: SIMO's continuous investment in automated CNC winding, precision machining, and VPI systems reduces manual labor costs while ensuring component-to-component repeatability. This enables us to offer discount pricing structures to global clients without compromising technical quality or compliance margins.
Xi'an's direct rail and highway links to Central Asia, Europe, and major Chinese seaports (Tianjin, Qingdao) ensure rapid shipping times. Whether your project is an oil refinery in the Middle East, a mine in South America, or a chemical plant in Europe, SIMO coordinates containerized logistics and custom packing configurations to protect large-frame motors from maritime corrosion during transit.
Our large-scale manufacturing capacity allows us to maintain stable lead times, ensuring your project meets installation milestones even during periods of global supply chain volatility.
Operating in hazardous areas leaves no room for compromise. Every SIMO motor undergoes rigorous quality control protocols validated by major international testing bodies.
Our quality system is certified under ISO 9001:2015. For international market access, SIMO has obtained certifications including the European Union's CE and ATEX, the United States' UL, Russian GOST/EAC, and the global IECEx standard. These certifications guarantee that our increased safety and flameproof motors meet local safety codes and environmental standards globally.
Expert technical answers regarding design criteria, installation, and operation of hazardous-area motors.
Discover our highly specialized synchronous, asynchronous, and DC motors designed for continuous, heavy-duty industrial processing.
Lite Simo
