Advanced low-voltage, high-voltage, and explosion-proof motors certified for global application and demanding industrial deployments.
In heavy industrial processes, the selection of thermal cooling methods represents a vital engineering decision directly influencing motor life expectancy, system efficiency, and overall operational reliability. The IC 411 thermal cooling mechanism, defined under IEC 60034-6 standards, is a Totally Enclosed Fan Cooled (TEFC) system. It employs a shaft-mounted external fan that circulates ambient air along the external cooling ribs of the frame shell. This self-ventilation strategy provides highly cost-effective and low-maintenance operation, eliminating the requirement for complex external water systems or independent auxiliary power lines.
For global procurement officers and system engineers, a CE Certification is a mandatory gateway for European Market compliance. It validates that the electrical motor conforms to essential European directives, including the Low Voltage Directive (LVD) 2014/35/EU, the Electromagnetic Compatibility (EMC) Directive 2014/30/EU, and, where applicable, the ATEX Directive 2014/34/EU for explosive environments. Acquiring IC 411 motors with official CE markings ensures both mechanical security and compliance with international health and safety protocols.
As the authorized global distributor of Wolong Electric Drive Group Co., Ltd (established in 1984, listed on the Shanghai Stock Exchange under SH600580), Shaanxi Nanfang Motor Technology delivers premier drive system integrations across multiple continents. Wolong operates a vast manufacturing footprint containing 3 global manufacturing bases, 39 advanced factories, and 3 world-class R&D facilities.
By prioritizing vertical supply chain stability, continuous R&D investment, and rigorous compliance testing, Wolong has solidified its market presence. The portfolio integrates iconic brands such as Brook Crompton, Morley, Laurence Scott, Schorch, ATB, and GE Industrial Motors, creating an unmatched ecosystem of electric drive technology.
Learn More About UsTailored motor technologies designed to address high energy costs, hazardous environments, and application-specific parameters.
Full explosion-proof compliance portfolios containing certificates required across Europe, the CIS region, North America, and Australia, facilitating safe implementation in hazardous Class I and Class II, Division 1 & 2 environments.
Available in premium high-efficiency synchronous and induction topographies. These systems reduce total lifecycle electrical costs and support carbon-footprint reduction initiatives in continuous-duty applications.
Configurable design options for variable shafts, distinct mounting configurations (B3, B5, B35), localized voltages, and tailored winding protection configurations designed for harsh industrial applications.
A technical assessment of structural parts designed for long life, thermal control, and high structural rigidity.
Utilizes squirrel cage rotors, primarily cast aluminum produced via centrifugal or die-casting techniques. This merges the rotor bars and end rings into a solid structure to optimize starting torque and operating stability. For high-capacity models, copper bar rotors with premium welding parameters are utilized to minimize thermal expansion wear.
Winding coils are insulated using high-mica polyester films reinforced with glass cloth. After assembly, stators undergo a VPI (Vacuum Pressure Impregnation) cycles. This yields a void-free insulation barrier providing strong resistance to electrical stress, moisture ingress, and thermal degradation.
Constructed using high-tensile cast iron or fabricated structural steel. The external cooling ribs are simulated using thermal and fluid multi-physics systems to optimize heat dispersion. This structural design offers high mechanical rigidity, vibration damping, and generous safety margins under mechanical overload conditions.
Features an integrated air guide cylinder, inlet screens, and internal acoustic absorption plates. By routing the air intake through the sides, the system reduces aerodynamic backpressure and minimizes noise levels. An IP22 or IP23 mechanical rating prevents accidental contact with the rotating fan blade.
Tracing the integration of century-old motor brands into the Wolong global industrial ecosystem.
Acquired in 2011, ATB is a leading European motor manufacturer. The group includes specialized sub-brands like Morley (mining motors) and Laurence Scott (low-starting-current naval/nuclear drive applications), supporting the design of high-duty-cycle industrial products.
A historic innovator with over 100 years of motor engineering experience. Famous for the premium "W" and "10" series designs, Brook Crompton specializes in high-efficiency, harsh-environment low-voltage and medium-voltage motors, paired with matched variable speed drive systems.
Joined Wolong in 2011. Since 1882, Schorch has represented high-quality European drive design, providing heavy-duty drive systems for petrochemicals, offshore drilling, water treatment, shipbuilding, and complex pipeline pump stations.
Established as a strategic joint venture in 1999, OLI is a global provider of electric vibration motors (MVE series) and vibration analysis sensors, supporting material flow, bulk handling, concrete consolidation, and sifting applications.
Incorporated into Wolong in 2015, CNE is one of China's largest research and production bases for explosion-proof drive equipment. It designs large-scale flameproof, positive-pressure, and increased-safety motors for heavy oil, coal mining, and gas transmission infrastructure.
Acquired by Wolong in 2018, GE Industrial Motors designs large-scale, high-reliability commercial and industrial electrical motors, supporting water treatment, cement mills, power utilities, and heavy mineral processing lines.
Combining competitive cost structures with high production volumes, advanced material access, and integrated testing facilities.
Proximity to local metallurgical clusters guarantees consistent supply of high-grade non-oriented silicon steel sheets, pure copper, and high-tensile cast iron, cushioning projects against global commodity fluctuations.
Utilizes robotic winding machines, automated CNC stator slot inserters, digital pressure impregnation facilities, and 3D coordinate measuring machines to achieve low deviation margins across high-volume production runs.
Equipped with full-load dyno testing facilities capable of testing high-voltage motors. Every motor series undergoes noise level testing, vibration analysis, and temperature rise profiling before export.
Approved by major certification bodies, ensuring seamless import, installation, and operation across international borders.
Nemko / ATEX
CSA Group
CE Mark
CCC
SABS (South Africa)
TESTSAFE (Australia)
Wolong's production conforms to several major standards systems, supporting projects across distinct jurisdictions:
Configured for reliable operation across key global industries and challenging ambient environments.
Explosion-proof IC 411 motors drive large pipeline pumps, gas compressors, and refining fans, providing spark-free operation in Zone 1 and Zone 2 explosive environments.
Built with DNV Type Approval, including corrosion-resistant coatings, anti-condensation space heaters, and marine-duty terminal boxes designed for saline offshore environments.
Supplying Morley-branded motors for conveyor belts, ventilation systems, and coal shearers, designed with dust-ignition-proof frames to handle high mechanical impact.
Addressing the common questions raised by electrical engineers, system integrators, and procurement teams.
Complete selection of high-efficiency asynchronous, marine-duty, flameproof, and customizable drive motors.
NANFANG
