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122
The LHOPS120 Series 122MM Permanent Magnet Synchronous Motor is purpose-built to serve as the reliable driving force behind demanding industrial ventilation infrastructure. Custom-engineered to integrate smoothly with axial fans, centrifugal blowers, large-scale exhaust units, and comprehensive HVAC systems, this motor series provides a tangible upgrade to facility air management. Upon inspection, operators will immediately notice the dense, substantial feel of the rigid mechanical framework and the cool touch of the precision-machined exterior. By delivering exceptionally stable output during year-round, heavy-load operating conditions, these units directly address the need to lower overall operational expenditure. The upgraded electromagnetic design ensures that facilities can maintain rigorous production schedules without the threat of unexpected ventilation downtime, making it a highly strategic component for large-scale procurement projects across global markets.
Constructed with premium die-cast aluminum alloy housings, the motors deliver superior thermal dissipation, effectively pulling heat away from internal components. IP55 ingress protection is fitted as standard, with an optional IP65 grade upgrade available to completely seal the unit against invasive dust, splashing water, and thick water mist. Equipped with Class F winding insulation, the internal coils withstand long-term high temperature rises without degrading. This resilient architecture makes the motors uniquely suited for continuous, punishing service in chemical processing plants, textile workshops, livestock breeding facilities, and demanding commercial kitchen environments. Furthermore, heavy-duty double-sealed bearings are deployed throughout the assembly. This specific bearing selection drastically reduces frictional energy loss, ensures a smooth rotational glide, and substantially extends the mandatory maintenance cycles, freeing up facility maintenance teams for other critical tasks.
Energy consumption remains a primary cost driver in facility management. Standard models in this series meet IE3 super high-efficiency benchmarks, while the advanced EC permanent magnet variants achieve top-tier IE4 and IE5 energy efficiency levels. The internal architecture features an optimized stacked silicon steel core structure that minimizes core loss and maintains a highly stable power factor across the entire load spectrum. When deployed at scale, these units achieve 25% to 50% electricity savings compared to conventional general-purpose motors, significantly accelerating the return on investment (ROI). The inherently low heat generation during continuous operation effectively prevents emergency thermal shutdowns, ensuring that production lines remain active during prolonged, non-stop running cycles.
Every individual rotor undergoes rigorous precision dynamic balance calibration before leaving the facility, effectively eliminating abnormal mechanical vibrations. This results in a remarkably smooth, quiet rotational profile. The optimized rotor and air passage structures actively mitigate acoustic pollution, maintaining a safer and more comfortable auditory environment on the factory floor. Beyond mechanical refinement, these motors offer excellent system compatibility. They integrate flawlessly with Variable Frequency Drives (VFD) and intelligent environmental control systems, allowing for automatic, stepless speed regulation based on real-time gas or dust density readings. With sufficient low-speed torque output, the system fully meets the strict requirements of high-air-volume ventilation networks while maintaining absolute stability.
Model | Voltage(V) | No Load | Rated Load | ||||
Rated | Speed (rpm) | Current (A) | Torque (mNm) | Speed (rpm) | Current (A) | Output P. (W) | |
LHPS120 | 220 | 1200 | 0.2 | 3.2 | 1200 | 1.8 | 400 |
Applicable Devices: Workshop axial exhaust blowers, workstation cooling blowers, factory ventilation air supply blowers, wall/roof exhaust blowers, assembly line dust extraction blowers.
Manufacturing environments inherently struggle with airborne particulate matter, fluctuating moisture levels, and unstable ambient temperatures. Supporting ventilation equipment must endure rigorous 24-hour continuous operation without faltering. The LHOPS120 motor leverages its IP55/IP65 protection to actively block abrasive dust and moisture ingress, while the Class F heat-resistant insulation adapts perfectly to long-term, high-temperature environments near heavy machinery. Operating with barely perceptible vibration and a subdued acoustic footprint, it is the optimal choice for year-round ventilation, aggressive fume exhaust, active cooling, and deodorization in hardware stamping, electronics assembly, plastic injection molding, and furniture manufacturing plants.
Applicable Devices: Bag filter dust collector blowers, cyclone dust separator exhaust blowers, exhaust tower blowers, activated carbon adsorption blowers, kitchen fume purification blowers, dust recovery blowers.
These specific operational zones are characterized by dense dust clouds, weakly corrosive airborne gases, and the necessity for long-term negative pressure maintenance. The motor utilizes a highly sturdy structural frame and wear-resistant bearings to prevent premature mechanical degradation. It maintains absolute operational stability—avoiding vibration spikes, localized overheating, or sudden overload—even when subjected to prolonged negative pressure conditions. The EC speed-adjustable models are particularly valuable here, as they interface with smart sensors to automatically regulate airflow based on real-time gas and dust density, drastically cutting wasted energy consumption in factory dust purification and industrial spray paint exhaust treatment projects.
Applicable Equipment: Supply fans for cleanrooms, recirculation fans for clean cabinets, and ventilation fans for food processing areas.
Cleanroom standards dictate an environment free from contamination, requiring motors that deliver low noise, strictly vibration-free operation, and absolute cleanliness. These motors operate with exceptional precision and smoothness. Crucially, the sealed design ensures they do not generate or shed secondary dust particles into the sterile environment. Their highly energy-efficient profile results in an extremely low surface temperature rise, helping facilities meet the stringent environmental standards required for year-round constant temperature, precise humidity control, and pristine air circulation in sensitive pharmaceutical and food-grade cleanrooms.
A faint, consistent electromagnetic hum during the initial power-up phase, followed by a smooth, gradual increase in airflow, is a standard part of the permanent magnet startup sequence.
The die-cast aluminum housing becoming warm to the touch after prolonged operation is the intended method of thermal dissipation and does not indicate an internal malfunction.
Minor, temporary fluctuations in rotational speed caused by slight variations in the local grid voltage are automatically detected and compensated for by the motor's internal systems; no manual intervention is required.
Never reach into the ventilation unit or attempt to touch the rotating impeller while the motor is actively powered or spinning down.
Do not intentionally obstruct the fan blades or introduce foreign objects to force a mechanical stall, as this may damage the internal windings.
Unless utilizing the specific IP65 upgraded model, do not expose the standard unit to direct rainfall or submerge it in standing water; unauthorized disassembly of the sealed housing voids all operational warranties.
Never force the unit to start using a power supply voltage that deviates from the precise electrical ratings stamped on the metallic nameplate.
Q1: Can your PMSM permanent magnet synchronous motors be customized for different voltage and dimension requirements?
A: Yes, our entire line of permanent magnet synchronous motors supports comprehensive, standardized ODM/OEM custom development. We understand that industrial integration requires flexibility. Adjustable parameters include the rated operating voltage, specific motor housing dimensions, lead-out wire direction, and specialized mounting configurations. All products comply with CE, RoHS, and ISO global industrial manufacturing and safety standards, ensuring seamless integration and smooth export compliance. We provide full-cycle technical support, from initial engineering prototype testing through to final mass production.
Q2: What is the energy efficiency rating? How effective is it at lowering operational costs?
A: Standard AC models in this series deliver IE3 ultra-high efficiency, while our EC permanent magnet models achieve IE4 and IE5 top-tier efficiency ratings. By optimizing the electromagnetic field and reducing core loss, these motors consume 25% to 50% less electricity compared to standard market alternatives. For facilities running 24/7—such as large-scale manufacturing plants, livestock farms, and commercial building HVAC systems—this directly translates to a significantly reduced utility overhead and a remarkably fast return on investment.
Q3: What are the specific protection and temperature ratings for harsh environments?
A: IP55 dust and water resistance is provided as the baseline standard, with an IP65 fully sealed option available for extreme moisture or particulate exposure. Internally, the motors utilize Class F high-temperature insulation, which safely permits long-term operation in elevated ambient temperatures without the risk of winding burnout. Combined with our heavy-duty double-sealed bearings that drastically extend the maintenance-free lifecycle, this motor series vastly outperforms standard Class B motors in overall durability and operational lifespan.
