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This series of industrial fan motors serves as the driving force behind demanding ventilation equipment, including axial flow fans, centrifugal blowers, large exhaust fans, air coolers, and complex HVAC systems. Engineered with a heavy-duty mechanical structure and optimized electromagnetic solutions, these units undergo rigorous 100% full-load aging, high-low temperature shock evaluations, and salt spray corrosion testing before leaving the assembly line. This strict quality control ensures an exceptionally low failure rate even in challenging facility conditions. Furthermore, the compact, lightweight body features standardized mounting holes, acting as a direct drop-in replacement for older, inefficient AC motors, which minimizes structural modification expenses during facility upgrades. Fully compliant with CE, RoHS, UL, and ISO9001 standards, this motor meets strict global market entry requirements while delivering reliable performance and lowering the total cost of ownership.
Constructed with a heavy, cool-to-the-touch die-cast aluminum alloy housing, this motor excels at rapid heat dissipation. It utilizes 100% pure copper, high-temperature-resistant coils, and premium heavy-duty bearings from internationally recognized brands, ensuring an extended operational lifespan from the core outward. The standard IP55 protection rating (upgradable to IP65) creates a tight seal against airborne dust, water spray, and thick mist. Combined with Class F insulation, the internal components withstand prolonged temperature spikes without degradation. This makes the motor exceptionally suited for chemical processing plants, textile mills, livestock facilities, and commercial kitchens, where the air is often thick with moisture or particulates. The double-sealed bearing design minimizes internal friction, drastically reducing the need for frequent manual lubrication and maintenance.
Energy consumption is a primary concern for continuous facility operations. The standard models achieve the IE3 ultra-high-efficiency benchmark, while the EC permanent magnet synchronous variations reach the top-tier IE4 and IE5 efficiency levels. By integrating high-performance rare earth permanent magnets and an optimized silicon steel lamination structure, the motor minimizes iron losses and maintains a stable power factor across varying load demands. This translates to a 25% to 40% reduction in electricity usage compared to conventional alternatives. Additionally, these units support 0-10V/PWM variable speed control and Modbus industrial communication protocols. This allows them to integrate directly into Building Management Systems (BMS) and automated factory networks, enabling intelligent, on-demand ventilation that prevents unnecessary power draw during off-peak hours.
Noise pollution and mechanical vibration can severely impact a work environment. To address this, each rotor undergoes precision dynamic balancing to eliminate abnormal shaking and resonance. The internal air duct geometry is specifically designed to reduce turbulence, resulting in a steady, low-decibel hum rather than a disruptive mechanical grind. This quiet sound profile improves the acoustic comfort of the facility. Despite the quiet operation, the motor delivers substantial torque even at low rotational speeds, providing the high airflow required for large-scale ventilation tasks. The minimized heat generation during these prolonged cycles ensures the outer casing remains safe to operate, preventing thermal shutdowns and keeping critical exhaust systems running without interruption.
Model | Voltage(V) | No Load | Rated Load | ||||
Rated | Speed (rpm) | Current (A) | Torque (mNm) | Speed (rpm) | Current (A) | Output P. (W) | |
LHOPS120-0.25 | 220 | 1200 | 0.15 | 1.6 | 1200 | 1.25 | 250 |
LHOPS120-0.35 | 220 | 1500 | 0.15 | 2.3 | 1200 | 1.8 | 370 |
LHOPS120-0.55 | 220 | 1500 | 0.15 | 3.5 | 1200 | 2.7 | 550 |
Applicable Equipment: Workshop axial exhaust fans, workstation cooling fans, workshop ventilation and supply fans, wall-mounted/roof-mounted exhaust fans, and assembly line dust extraction fans.
Manufacturing floors are frequently exposed to heavy dust, fluctuating humidity, and the sharp scent of machine oils, demanding equipment that operates non-stop. This permanent magnet motor thrives in these demanding spaces. Its sealed IP55 construction effectively repels metallic dust and ambient moisture, while the Class F insulation handles the sustained heat generated by nearby processing machinery. The low-vibration profile ensures that delicate assembly processes nearby remain undisturbed. It serves as a dependable solution for year-round smoke extraction, active cooling, and odor removal across hardware fabrication shops, electronics assembly lines, plastics molding facilities, and furniture manufacturing plants.
Applicable Equipment: Baghouse dust collector fans, cyclone dust collector exhaust fans, exhaust tower exhaust fans, activated carbon adsorption fans, kitchen fume purification fans, dust recovery fans.
Facilities dealing with exhaust gas treatment often expose equipment to mildly corrosive fumes, thick particulate matter, and the strain of continuous negative pressure. Built with a resilient structural frame and wear-resistant components, this motor resists internal damage under these harsh conditions. It runs steadily without overheating or overloading, even when pulling heavy air volumes through dense filtration media. The EC variable-speed models provide an added advantage by intelligently adjusting their airflow output based on real-time exhaust gas concentrations and dust levels. This dynamic adjustment conserves energy while maintaining optimal purification rates, making it highly effective for spray painting exhaust systems and industrial dust recovery projects.
Applicable Equipment: Central air conditioning fresh air fans, air handling unit fans, clean air conditioning fans, building duct ventilation fans, and basement supply and exhaust fans.
Commercial environments such as office towers, luxury hotels, and expansive shopping malls require ventilation systems that operate invisibly—providing consistent air exchange with an exceptionally low failure rate and minimal acoustic footprint. Thanks to the meticulous dynamic balancing, this motor operates without structural resonance, emitting only the soft sound of moving air. The high energy efficiency ratings yield substantial reductions in annual electricity expenses for property managers. By integrating with building automation networks, these motors ensure precise climate control and fresh air circulation in underground parking garages and large commercial complexes, maintaining a comfortable atmosphere for occupants.
1. This unit is engineered for continuous, round-the-clock operation; frequent manual start-stop cycles are not recommended, as steady running maximizes the lifespan of the rare earth magnets and internal bearings.
2. During standard operation, the smooth rush of airflow should be the primary sound. If you detect any irregular noises—such as the sharp scrape of metal friction or heavy impact sounds—immediately disconnect the power supply and inspect the housing.
3. When deployed in highly humid environments or areas with heavy airborne particulates, we advise keeping the ventilation running continuously at a low speed setting. This constant motion prevents moisture accumulation and keeps dust from settling within the external cooling fins.
Maintaining this motor is straightforward and requires minimal downtime. We recommend scheduling a monthly visual inspection to brush away any accumulated dust or debris from the fan grille and the external cooling ribs of the motor housing. Keeping these surface areas clear ensures the heat dissipation process remains highly effective. Because the unit utilizes premium double-sealed bearings, it requires no external lubrication or complex mechanical teardowns, significantly reducing the maintenance burden on your facility management team.
1. Upon initial power-up, you may notice a brief, faint electromagnetic humming sound, followed by a gradual, smooth acceleration in airflow. This acoustic sequence is a standard characteristic of the permanent magnet synchronous drive and does not indicate a fault.
2. After several hours of continuous heavy-duty operation, the die-cast aluminum housing will feel warm to the touch. This is the engineered heat dissipation process actively drawing thermal energy away from the internal coils, ensuring safe operation.
3. You might observe minor, automatic adjustments in rotational speed. The intelligent drive system automatically compensates for slight voltage fluctuations in the facility's power grid, maintaining consistent airflow without requiring manual intervention.
Answer: Yes, our entire portfolio of permanent magnet synchronous motors supports deep, standardized OEM and ODM custom development. We provide flexible customization services covering rated operating voltage, specific rotational speeds, output shaft dimensions, lead-out wire directions, and specialized flange mounting structures. This ensures the motor perfectly matches the structural constraints of various non-standard ventilation systems. We also supply engineering prototype testing and mass production scaling to meet precise mechanical installation and drive system requirements.
Answer: Standard AC configurations meet the IE3 ultra-high-efficiency threshold, while our EC permanent magnet variations achieve the industry-leading IE4 and IE5 efficiency tiers.
By utilizing high-performance magnetic materials and optimized coil designs, these motors reduce electricity consumption by 25% to 50% compared to conventional alternatives. For facilities operating 24/7—such as large-scale manufacturing plants, livestock farms, and commercial high-rises—this efficiency translates into a rapid return on investment through significantly lowered monthly utility bills.
Answer: The motor features an IP55 dust and water resistance rating as standard, with an optional upgrade to IP65 for environments exposed to heavy washdowns. Internally, it utilizes Class F high-temperature insulation, allowing the motor to sustain performance in elevated ambient temperatures without degrading the 100% pure copper coils. This thermal resilience drastically lowers the risk of motor burnout and extends the overall service life, far exceeding the capabilities of standard Class B insulated motors.
Answer: Backed by large-scale, automated production lines, we guarantee stable lead times and consistent output for high-volume orders. Every motor is supported by a comprehensive long-term warranty commitment. Furthermore, we provide dedicated one-on-one engineering support, assisting your team with precise technical selection, system integration advice, and responsive after-sales troubleshooting to ensure your ventilation projects run without interruption.
