Engineered for volatile, high-altitude, and heavy duty industrial atmospheres.
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. Leveraging over six decades of continuous development, we integrate technological innovation, robust production infrastructures, and strict hazard-environment safety compliance to supply the global industrial sector.
Tracking our path from a state-owned industrial plant to a top-tier global motor supplier.
SIMO Motor established and led by government control to satisfy initial industrial growth plans.
Relocation to a new, larger industrial production facility within Xi'an city boundaries.
Acquisitions and integrations lead to the formal naming of the Xi'an Motor Factory.
Reformation from a state-owned enterprise into a dynamic, shareholder-managed limited company.
Establishment of the SIMO Motor Group, expanding operations across 14 specialized subsidiaries.
Strategic relocation to a new, high-tech advanced manufacturing base to improve output scaling.
Rebranded as Tech Full Simo Motor, modernizing branding to match growing global exports.
Continuous expansion on our pathway to becoming one of the world's elite motor manufacturers.
In modern industrial applications, High Voltage (HV) and Explosion-Proof (Ex) motors serve as the heartbeat of critical infrastructure. Operating in harsh, volatile atmospheres where volatile gases, dust clouds, and mechanical loads collide, these systems require strict compliance to international safety standards. Industry buyers from petrochemical plants, deep coal mines, and maritime shipping lines prioritize reliability, environmental isolation, and long-term operating costs.
Choosing a vendor for industrial drive solutions involves assessing several engineering and operational variables:
Demands total gas group classification (such as Hydrogen and Acetylene) compatibility, coupled with anti-corrosion paint packages, IP66 ingress protection, and explosion-proof terminal boxes.
Requires high-torque designs (like our TDMK and TK series) capable of starting under heavy physical load conditions, featuring robust frames that resist dust exposure and impact damage.
Focuses on continuous duty operations (S1) utilizing high-volume cooling designs to drive large pumps, fans, and compressors at high efficiency rates.
Innovative material developments and smart diagnostics shaping the future of electric drivetrains.
The electric motor industry is undergoing a shift driven by digital integration, smart grid alignment, and material science developments. As companies strive to meet carbon-reduction goals and decrease production downtime, the design of high-voltage explosion-proof drivetrains is adapting.
Transitioning to Class H vacuum pressure impregnation (VPI) insulation systems with specialized nano-resins to minimize partial discharge risks.
Embedding wireless, self-powered vibration sensors and stator RTDs to feed real-time analytics to predictive maintenance systems.
Utilizing optimized rotor dynamics and low-loss silicon steel sheets to expand IE4 and IE5 energy compliance levels across larger frames.
Adopting specialized duplex sealing, anti-corrosion coatings, and explosion-containment designs for deep-sea and polar environments.
Our production facilities maintain R&D and manufacturing covering all types of motors, with products across 34 major series, more than 1,800 varieties, and more than 19,500 specifications. The power ranges from 0.35kW to 25,000 kW. Our primary motor products include:
SIMO has successfully obtained ISO9001 Quality System Certification, EU “CE”, US “UL”, and Russian “GOST” certifications. Our industrial electric motors are used in electricity generation, coal extraction, petroleum refining, mining, metallurgy, railway transit, cargo transportation, chemical processing, agriculture, water management, aviation, navigation, and other high-tech sectors globally.
Deploying heavy-duty high-voltage machinery in hazardous locations requires strict compliance with regional safety frameworks. Our products undergo Factory Acceptance Testing (FAT) to verify performance metrics before shipping.
At our testing centers, every high voltage motor is evaluated using advanced calibration equipment:
SIMO maintains service contacts and technical support networks across key industrial hubs, helping engineering teams streamline installations, secure spare parts, and perform scheduled compliance inspections.
Detailed answers to common engineering questions regarding explosion-proof motors.
Ex d (Flameproof): The motor housing is designed to contain an internal explosion without letting flames escape into the surrounding environment. It features tight flamepath junctions to cool escaping combustion gases.
Ex e (Increased Safety): Incorporates design measures to prevent electrical arcs, sparks, or dangerous hot spots from forming on internal or external components under normal or overloaded operation.
Ex nA (Non-Sparking): Specifically intended for Zone 2 environments. It is designed so that sparks or hot spots are highly unlikely to occur during normal running conditions.
Cooling configuration directly impacts insulation temperature levels. Common options include:
High voltage synchronous motors are preferred for heavy industrial mills (like mining ball mills) because they run at a constant speed regardless of load, provide power factor correction to the local grid, and offer high energy conversion efficiency at low speeds.
VFDs can introduce voltage spikes (dv/dt stress) and high-frequency harmonics that strain stator winding insulation. To prevent damage, our YVFE3/YVFE4/YVFE5 series motors use VPI insulation structures and insulated bearings to eliminate circulating currents.
Continuing our lineup of reliable industrial motors and drive systems.
Lite Simo
