Ecer asks for your consent to use your personal data to:
Personalised advertising and content, advertising and content measurement, audience research and services development
Store and/or access information on a device
Your personal data will be processed and information from your device (cookies, unique identifiers, and other device data) may be stored by, accessed by and shared with 135 TCF vendor(s) and 65 ad partner(s), or used specifically by this site or app.
Some vendors may process your personal data on the basis of legitimate interest, which you can object to by do not consent. Contact our platform customer service, you can also withdraw your consent.
Your message must
be between 20-3,000 characters!
Submit Requirement
Thank You!
Your requirement has been sent. we will contact you quickly!
{"title":"Terrui High-Torque Direct-Drive PMSM EC Motor IP55 Rated for Industrial Ceiling","imgUrl":"https:\/\/img.chinax.com\/nimg\/23\/ac\/370c2c63d39a2becedf6dc08858b-200x200-1\/terrui_high_torque_direct_drive_pmsm_ec_motor_ip55_rated_for_industrial_ceiling.jpg","attrs":{"Brand Name":"Terrui","Model Number":"115-30","Certification":"CE","Place of Origin":"China"}}
{"title":"High-Efficiency Direct-Drive EC Motor with IP55 Protection for HVAC and Large","imgUrl":"https:\/\/img.chinax.com\/nimg\/2a\/b7\/ab11f10f09adc0a38469a22321ee-200x200-1\/high_efficiency_direct_drive_ec_motor_with_ip55_protection_for_hvac_and_large_fan_systems.jpg","attrs":{"Brand Name":"Terrui","Model Number":"115-B","Certification":"ISO9001","Place of Origin":"China"}}
{"title":"2150W Direct-Drive EC Motor for 72-Inch Heavy-Duty Ventilation with IP55","imgUrl":"https:\/\/img.chinax.com\/nimg\/7b\/64\/c00e6c0ea8b0ad94cc5100cf3df0-200x200-1\/2150w_direct_drive_ec_motor_for_72_inch_heavy_duty_ventilation_with_ip55_protection.jpg","attrs":{"Brand Name":"Terrui","Model Number":"254","Certification":"ISO9001","Place of Origin":"China"}}
{"title":"Energy-Saving Maintenance-Free High Torque EC Motor for Industrial Fan OEM &","imgUrl":"https:\/\/img.chinax.com\/nimg\/ad\/da\/e334137135aac2aebc062c23f989-200x200-1\/energy_saving_maintenance_free_high_torque_ec_motor_for_industrial_fan_oem_26_upgrade.jpg","attrs":{"Brand Name":"Terrui","Model Number":"368-60","Certification":"ISO9001","Place of Origin":"China"}}
{"title":"High Power Density EC Motor with Customizable Speed and IP55 Protection for HVAC","imgUrl":"https:\/\/img.chinax.com\/nimg\/a4\/68\/5c19221458edb36be4ac7952fa81-200x200-1\/high_power_density_ec_motor_with_customizable_speed_and_ip55_protection_for_hvac_26_pump_systems.jpg","attrs":{"Brand Name":"Terrui","Model Number":"308","Certification":"ISO9001","Place of Origin":"China"}}
{"title":"Terrui 115-B High-Efficiency PMSM Motor with IP55 Dust & Water Resistance for","imgUrl":"https:\/\/img.chinax.com\/nimg\/2a\/b7\/ab11f10f09adc0a38469a22321ee-200x200-1\/terrui_115_b_high_efficiency_pmsm_motor_with_ip55_dust_26_water_resistance_for_maintenance_free_industrial_ventilation.jpg","attrs":{"Brand Name":"Terrui","Model Number":"115-50","Certification":"ISO9001","Place of Origin":"China"}}
{"title":"High-Efficiency 254 Series EC Motor for 72" & 78" Industrial Fans IP55 High","imgUrl":"https:\/\/img.chinax.com\/nimg\/7b\/64\/c00e6c0ea8b0ad94cc5100cf3df0-200x200-1\/high_efficiency_254_series_ec_motor_for_72_22_26_78_22_industrial_fans_ip55_high_torque_brushless_direct_drive_solution.jpg","attrs":{"Brand Name":"Terrui","Model Number":"254","Certification":"CE","Place of Origin":"China"}}
At Terrui, we provide high-torque, external rotor EC and PMSM (Permanent Magnet Synchronous Motor) solutions specifically engineered to adapt to your hardware. Our motors represent a breakthrough in drive technology, designed to be the definitive power source for the modern industrial ceiling fan. By flipping traditional motor logic and placing the rotor on the outside, the motor becomes the structural hub of your application, delivering quiet, direct-drive power that eliminates the need for inefficient and high-maintenance gearboxes.
Core Advantages
Higher Torque, Lower Footprint: The external rotor design provides superior torque density, allowing industrial ceiling fans to move massive volumes of air with a significantly smaller and lighter motor footprint compared to internal rotor models.
Direct-Drive Reliability: Our technology removes mechanical coupling losses and eliminates failure points like belts and gearboxes, which are the most common maintenance issues in standard industrial ceiling fans.
Smart Self-Cooling Design: In air-moving applications, the rotor surface is positioned directly within the airflow, ensuring the motor is self-cooling by design and maintains peak efficiency even under maximum loads.
Real-World BOM Savings: We have re-engineered the electromagnetic circuit with high-fill-factor winding, delivering the same power output using less copper for a highly cost-effective Bill of Materials (BOM).
Key Features
Fully Customizable Engineering: We support non-standard requests, providing custom shaft extensions, unique mounting flanges, and specific cable exits to ensure the motor fits your existing housing perfectly.
The Brains of the Operation: Our integrated EC drives are fine-tuned to support PWM, 0-10V, Modbus, or CANbus, with pre-programmed firmware to handle your specific ramp-up speeds and safety limits.
Built for the Trenches: Our motors are built to survive extreme environments, with protection ratings ranging from IP44 to IP67, utilizing specialized bearings and lubricants designed for high humidity, dust, and wild temperature swings.
Optimized Performance Curves: Every motor is calibrated to provide the exact torque curve required for your industrial ceiling fan model, ensuring smooth and efficient operation across all speeds.
Why Choose Terrui?
Terrui rejects the "off-the-shelf" compromise. We understand that high-end manufacturing requires tailored solutions. We adapt our motor technology to your housing, so you don't have to redesign your hardware for us. Whether you are developing precision HVAC systems or a large-scale industrial ceiling fan, our lab works directly with your specifications to provide a durable, optimized solution that excels in real-world industrial conditions.
Technical Parameters
Product Model
Speed (RPM)
Input Power (W/HP)
Application Range
115-30
770
350 / 0.5
38" Fan
115-50
680
530 / 0.7
45" Fan
148
505
1100 / 1.5
48" Fan
206
490
1400 / 1.9
55" Fan
206
444
1700 / 2.3
63" Fan
254
360
2150 / 2.9
72" Fan
254
325
2300 / 3.1
78" Fan
308
320
3300 / 4.4
86" Fan
368-60
310
5000 / 6.7
98" Fan
368-95
300
8000 / 10.7
114" Fan
Frequently Asked Questions (FAQ)
Q: Can these motors withstand high-humidity environments like dairy barns?
A: Absolutely. We select specific bearings, lubricants, and potting compounds (up to IP67) that are specifically tested to survive in high humidity, dust, and corrosive agricultural or industrial settings.
Q: Do I need to redesign my existing fan housing to fit your motors?
A: No. We customize our mounting flanges and shafts to adapt to your current housing design. Our goal is to fit into your hardware, not the other way around.
Q: How do these motors improve the energy efficiency of an industrial ceiling fan?
A: By using a direct-drive PMSM/EC design, we eliminate the 10-15% energy loss typical of gearboxes and belts. Combined with our high-fill-factor winding, the motor consumes significantly less power for the same airflow output.
Terrui has become one of the leading suppliers of drinking waterers, circulation fans, calf hutch and pen, veterinary accessories, plastic-free stalls, feeding fences, and electric fencing in the domestic and world market. and set up our quality management system. Our company operation is autho... Terrui has become one of the leading suppliers of drinking waterers, circulation fans, calf hutch and pen, veterinary accessories, plastic-free stalls, feeding fences, and electric fencing in the domestic and world market. and set up our quality management system. Our company operation is autho...