Explore our certified explosion-proof units, large synchronous mining motors, and high-performance DC drives configured for critical operations.
In explosive industrial environments, standard electric motors act as potential ignition sources. Electromechanical friction, high operational temperatures, or electrical arching can instantaneously spark catastrophic incidents when operating near volatile gases, vapors, or combustible dust clouds. Thus, seeking a certified Discount Motor IECEx Supplier is not just a commercial convenience, but a mandatory safety protocol for modern engineering projects.
The IECEx system represents the international gold standard for assessing conformity in explosive atmospheres. While localized directives like ATEX serve the European Union, IECEx delivers a globally unified framework under the International Electrotechnical Commission. It enforces strict compliance with the **IEC 60079 series** of standards, detailing safety parameters for gas atmospheres (Zone 0, Zone 1, Zone 2) and dust hazards (Zone 20, Zone 21, Zone 22).
Procuring low-voltage and high-voltage motors that bear the IECEx certification mark guarantees that every component—from flameproof enclosures (Ex d/db) to increased safety structures (Ex e/eb)—has undergone rigorous, independent laboratory testing. This ensures the containment of internal explosions, prevents gas intrusion, and maintains external frame temperatures below the ignition threshold of surrounding compounds.
Established as a foundational pillar of China’s heavy mechanical sector, Xi’an Lite SIMO Motor Co., Ltd (popularly known as SIMO Motor) has established itself as an authoritative leader in large and medium-scale electric motor manufacturing. Specializing in high-voltage, low-voltage, synchronous, asynchronous, and specialized explosion-proof electric motors, SIMO integrates design, precision machining, advanced metallurgy, testing, and lifecycle maintenance services under one umbrella.
Maintaining a top ranking in China's motor industry for scale, technical capacity, and product variety, SIMO represents the pinnacle of Chinese engineering. By combining state-of-the-art automated production machinery with rigorous quality control systems, SIMO caters to complex, high-reliability needs across global energy, mining, power generation, and chemical industries.
A history built on engineering breakthroughs, quality control, and structural transformations.
SIMO Motor is established and guided under government oversight to lay the foundation for Chinese heavy industrial electrification.
Relocation to a new modern manufacturing facility in the ancient industrial capital of Xi'an, scaling production capacity.
Consolidation and strategic integrations culminate in the formation of the renowned Xi'an Motor Factory.
Successful reformation from a state-owned enterprise to a dynamic, client-centric limited liability company.
Establishment of the SIMO Motor Group, integrating 14 dedicated subsidiaries to control the entire manufacturing supply chain.
relocation to a state-of-the-art, high-tech industrial park, integrating computerized winding, CNC processing, and advanced testing.
Rebranded to Tech Full Simo Motor, optimizing global business operations and scaling international trade exports.
Accelerating efficiency benchmarks with IE4/IE5 ultra-premium efficiency lines and expanding certified IECEx/ATEX export portfolios.
How our centralized manufacturing base in Xi'an offers unmatched value, engineering customizability, and cost efficiencies.
Our proximity to primary raw materials, such as premium electrical steel, cold-rolled copper, and advanced alloys, enables significant cost reductions. We pass these savings directly to our buyers as discount industrial pricing.
Utilizing more than 1172 sets of high-precision tools, including state-of-the-art VPI (Vacuum Pressure Impregnation) varnishing systems and automated rotor balancing machinery, we guarantee repeatable dimensional accuracy.
With 260+ technical engineers (including 21 senior and 15 expert engineers), we customize electrical parameters (such as low starting currents and high starting torques) to match specific IECEx environment ratings.
Our research, development, and manufacturing encompass a huge product portfolio covering 34 major series, over 1,800 varieties, and 19,500 individual specifications. This massive scale ensures that whether you require high efficiency low-voltage motors or large multi-megawatt synchronous drives, our product list delivers the exact specification needed for your plant.
Our main motor groups are highly aligned to demanding mechanical tasks:
Bridging pure electric power with highly demanding physical applications globally.
Our YBX4 and YBBP explosion-proof motor ranges are built to withstand Class IIA, IIB, and IIC gas environments. They prevent internal sparks from escaping the enclosure, keeping chemical processing lines safe in refineries and gas transport stations globally.
Our TDMK series AC synchronous motors deliver constant torque and power factor correction under massive load fluctuations. Ideal for grinding mills, cement mixers, and deep mine shafts where reliable uptime is critical.
By implementing our YKS 6kV and 10kV high voltage induction motors paired with customized Soft Start Cabinets, plants minimize line current draw during startup. This reduces electrical stress across the substation and extends powertrain component lifespan.
Our large vertical pumps, driven by high-voltage wound rotor synchronous units, manage high-volume municipal flow rates and agricultural irrigation projects reliably. They operate efficiently under continuous running regimes.
SIMO Motor's adherence to international certifications guarantees high quality, reliable safety, and smooth customs clearance for key worldwide operations.
Our quality control system conforms strictly to ISO9001 quality system certification standards. Furthermore, our electric motor lines have passed the requirements of European Union **CE**, United States **UL**, Russian **GOST**, and the Chinese Compulsory Certification (CCC). This wide certification footprint allows seamless integration into systems in Europe, the Americas, Central Asia, and beyond.
Clear, direct answers to the most common engineering and procurement questions regarding low and high-voltage industrial motors.
ATEX is a regional, mandatory legal framework applicable within the European Union (based on Directive 2014/34/EU). In contrast, IECEx is a voluntary, international certification scheme managed by the IEC, designed to harmonize explosive atmosphere standards globally. While ATEX relies heavily on self-declaration in certain Zone 2 products, IECEx requires strict independent testing by accredited bodies for all certifications. Most global projects accept IECEx directly as verification of international explosive environment compliance.
Our Ex d (flameproof) motors are designed with a heavy, robust structural enclosure that can contain an internal explosion if volatile gas leaks inside. The flame paths on the motor joint faces are precisely engineered to cool escaping hot gases below the ignition temperature of the surrounding external atmosphere. Additionally, the external frame design maintains low outer temperatures to prevent dust or gas mixtures from igniting on contact.
When running a motor under a VFD, harmonic distortion causes additional heat generation in the windings. In hazardous areas, this heat can exceed the temperature class limit (e.g., T4/T5). Specialized VFD motors, like our **YBBP series**, feature reinforced insulation systems (Class F/H), insulated bearings to prevent shaft current damage, and independent forced cooling systems (IC416) to ensure safe, cool operation even at low speeds and high torque.
Synchronous motors offer the key advantage of **power factor correction**, allowing plants to adjust the power factor to unity or leading to reduce utility fines. They also maintain constant speeds under load fluctuations and feature high torque density. This makes them ideal for continuous, high-load machinery like ball mills, rod mills, and large reciprocating compressors.
Our motors are finished with a multi-layer epoxy coating system, classified up to C5-M for highly corrosive offshore environments. The enclosures feature advanced sealing rings, matching IP55 or IP56 ingress ratings, to prevent water intrusion. We also use high-grade silicon steel sheet cores and corrosion-resistant fasteners to withstand harsh sea spray and chemical vapors.
Explore our high voltage asynchronous lines, premium efficiency motors, and flameproof mining units below.
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