2.2kW Motor
What is a 2.2kW Motor?
The 2.2 kW three-phase asynchronous motor is a high-torque, heavy-duty workhorse built to strict international standards (GB/T 755 and IEC 60034) for electrical safety and performance. Unlike standard low-to-medium power motors, this model features specialized electromagnetic torque optimization, delivering high starting torque and robust instantaneous load capacity. It is specifically engineered for industrial equipment characterized by high static resistance, heavy starting loads, and significant instantaneous shock-serving as the standard power unit for hydraulic pumps, air compressors, pelletizing machinery, and heavy-duty conveyors.
Available in two frame sizes-the compact 90L and the larger 100L-this motor accommodates both space-constrained installations and demanding, continuous full-load operations. It boasts ample torque reserves, minimal operating voltage drop, and excellent resistance to rotor stalling.
Models





Features
- High starting torque ensures smooth, stall-free starts under heavy loads: Featuring an optimized slot-pole combination and electromagnetic design, the motor delivers significantly boosted starting torque. It effortlessly overcomes the static resistance of equipment such as pellet mills, compressors, and oil pumps, eliminating issues like sluggishness, stuttering, or stalling and tripping during heavy-load starts. Perfectly suited for high-frequency, heavy-duty start-stop operations, it offers starting stability far superior to standard motors in its class.
- Flexible dual-frame options for precise application matching: Our innovative dual-frame strategy offers a compact, lightweight 90L frame for space-constrained installations and standard continuous heavy-duty operations, alongside an enlarged 100L frame-featuring a longer core, greater torque margin, and superior thermal limits-engineered specifically for round-the-clock, full-load, high-impact, and high-intensity industrial environments, ensuring an optimal fit without resource waste.
- Thickened pure copper windings and a low-loss core ensure sustained, reliable performance. The design utilizes a high-purity oxygen-free copper winding process with high-density layering, paired with high-permeability, low-loss silicon steel sheets, resulting in high magnetic conversion efficiency and minimal operating losses. Through an integrated vacuum-impregnation and high-temperature curing process, the coil offers superior resistance to vibration, aging, and impulse voltage; it maintains consistent power output and stable temperatures during prolonged heavy-load operation, thereby extending the equipment's service life.
Products Description
|
Model |
MS Series 2.2kW Motor |
|
Frame |
90/100 |
|
Power |
2.2kW |
|
Speed |
3000rpm, 1500rpm, 1000rpm |
|
Voltage |
220/380V, 230/400V, or customization |
|
Frequency |
50HZ/60HZ |
|
Efficiency |
IE1, IE2, IE3, IE4 |
|
Motor shaft diameter |
Φ24/28 |
|
Cooling |
Fan |
|
Protection |
IP44/IP54/IP55 |
|
Housing |
Aluminum/Cast Iron |
|
Ambient temperature |
-15℃≤0℃≤40℃ |
|
Altitude |
No exceeding 1000 meters |
|
Duty |
S1 |
Drawings

Installation position

Our advantages

Production








Application



Company Profile



FAQ
Q: How do you accurately choose between the 90L and 100L frame sizes?
A: For applications with limited space, intermittent daily operation, or standard heavy-duty conditions, the compact 90L model is the better choice, offering superior cost-effectiveness. However, if the equipment operates under continuous full load (24 hours a day), involves frequent start-stop cycles and high shock loads, or faces harsh operating conditions, the larger 100L frame is the preferred option; it provides greater thermal and torque margins as well as superior structural strength, ensuring greater stability and durability during long-term operation.
Q: Is the motor prone to damage from dust accumulation when used in workshops with high levels of particulate dust?
A: It is not easily damaged. The unit features a fully enclosed IP55 structure that effectively prevents particulate debris and airborne dust from entering the housing, thereby avoiding issues such as heat buildup in the windings or bearing seizure. It is suitable for harsh, high-dust environments-including granule processing, material crushing, and heavy-duty conveying-and boasts an extremely low daily failure rate.
Q: What specific precautions should be taken when installing a 2.2 kW motor intended for heavy-duty applications?
A: For heavy-duty equipment, the primary installation requirement is a level and secure base; installations involving gaps or unstable shimming must be avoided to prevent chassis resonance caused by the shock of starting and stopping. When pairing the motor with equipment such as oil pumps, compressors, or pellet mills, coaxial alignment must be strictly calibrated to prevent bearing wear, abnormal noise, or overheating caused by eccentric transmission. Additionally, ensure reliable grounding and securely tighten terminal connections to prevent loose contact faults triggered by current fluctuations during heavy-duty operation, thereby guaranteeing long-term, stable performance.
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