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HVAC EC Motor for Air Conditioning​

The HVAC EC Motor for Air Conditioning serves as the heart of modern climate control systems, combining precision engineering with exceptional energy efficiency.

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Quantity:
  • N48ECI03D13C1S1

  • Dowell

  • N48ECI03D13C1S1


Product Overview


Available in 1/3 to 1 HP configurations, this electronically commutated motor delivers consistent performance across residential, commercial, and industrial air conditioning units . Its innovative spoke-type concentrated flux rotor design reduces weight by 28.6% while maintaining efficiency ratings exceeding 80%—far surpassing the performance of traditional AC motors . Dual voltage compatibility (115V and 230V) ensures seamless integration into global HVAC systems without manual rewiring .


Product Features


Intelligent Airflow Regulation

Equipped with built-in control algorithms, the motor adjusts speed and torque in real-time to maintain constant airflow despite changes in static pressure—critical for consistent cooling in variable load conditions . This dynamic response eliminates the energy waste associated with fixed-speed motors that operate at full capacity regardless of demand.


Quiet Operation Engineering

Reduced magnetic pull variation in the rotor design minimizes vibration and noise, with operating levels as low as 35 dB(A)—significantly quieter than conventional motors . This makes it ideal for noise-sensitive environments like hotels, hospitals, and residential buildings.


Durability & Compliance

Featuring Class F insulation and IP54 protection, the motor withstands harsh operating conditions, including temperature fluctuations and moisture exposure . It meets ERP 2019/1782 energy efficiency standards and is certified under UL 507 for electrical safety, ensuring regulatory compliance in major markets .


Applications


Air Handling Units

Integrated into rooftop units and indoor air handlers, providing the precise airflow needed for heating and cooling distribution in commercial buildings.


Heat Pumps & Condensers

Driving fan systems in heat pump outdoor units, where efficiency and reliability directly impact heating/cooling performance and energy costs.


Furnace Blowers

Delivering controlled airflow in residential and light commercial furnaces, enhancing combustion efficiency and indoor air quality.


FAQ


How does an EC motor differ from a standard AC motor?

Unlike AC motors that require external frequency converters, EC motors integrate electronics for direct speed control, achieving 30-70% energy savings and eliminating humming noises .

What is the motor’s expected lifespan?

With brushless construction and robust bearings, the motor offers a service life of 40,000+ hours—approximately 15 years of typical HVAC operation .

Can it replace existing AC motors in retrofits?

Yes, its compact design and universal mounting compatibility allow direct replacement in most systems, with payback periods averaging 6 months through energy savings .


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ModelN48ECI03D13C1S1
Power208-230VAC
Frequency50/60Hz
Power1/2 hp
Max. Speed1300rpm
Max Current3.6-3.8A
Insolation   ClassB

Power cable
Brown208-230VAC single phase
Blue
Yellow/GreenGround

Signal cable
Yellow12 VDC
RedStart/Stop
BrownPWM
WhiteSpeed feedback
BlackCommon


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We are focusing on design, manufacturing and sales of EC motors, EC fans, EC axial fans, EC centrifugal fans, fan impellers, which are electronically commutated PMSM internal rotor motors.

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 No.888, Xingrui Road, Wujiang District, Suzhou, Jiangsu
     Province, P.R. of China, 215000

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 +1 514 699 3988
 675,36e Avenue,Lachine,Quebec, Canada    
     H8T 3L1
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