5.5kW Motor
What is a 5.5kW Motor?
The 5.5 kW motor is a standard, heavy-duty workhorse for medium-scale industrial applications. It features a dedicated 132S heavy-duty frame compliant with national standards and is precision-manufactured in strict accordance with GB/T 755 and IEC 60034 international standards for electrical performance and safety. Representing the optimal entry-level choice for medium-to-high-power industrial equipment, this motor surpasses the load limitations typical of smaller units; it delivers high starting torque, robust overload resilience, and consistent output under constant load across its entire operating range. Engineered for long-term stability in harsh environments, it serves as a standard power unit for integrated engineering systems, mining auxiliary machinery, large-scale fluid handling equipment, and heavy-duty conveyor systems.
Models





Features
- The 132S heavy-duty frame features a comprehensive upgrade in mechanical strength. With a specially designed, enlarged 132S heavy-duty frame-featuring an extended wheelbase, increased core length, and thicker housing-it offers structural rigidity and resistance to deformation and resonance that far surpass 112-frame models. Even when subjected to the high-frequency vibrations and continuous shock loads typical of heavy industrial equipment, the frame remains stable and undeformed, and bearing seats stay perfectly aligned; this hardware-level robustness eliminates issues such as abnormal noise, uneven wear, and vibration during prolonged heavy-load operation.
- IP55 industrial-grade sealing for high resilience in demanding conditions: Featuring a multi-layer labyrinth seal structure and dual-layer waterproof/dustproof gaskets, the unit's housing joints are precision-sealed. This design effectively withstands heavy industrial dust, slag debris, moisture, oil splashes, and outdoor rainfall, making it perfectly suited for harsh environments such as mining, chemical processing, aggregate operations, wastewater treatment, and outdoor engineering equipment.
- Class F high-temperature insulation system with exceptional operational resilience: Equipped with a Class F insulation system rated for 155°C, it withstands short-term rotor stalling, extreme overloads, grid voltage fluctuations, and high-frequency pulse surges from variable frequency drives. In heavy-duty industrial environments characterized by unstable operating conditions and significant load fluctuations, it drastically reduces the risk of downtime due to failure, ensuring continuous project operations.
Products Description
|
Model |
Y2 Series 5.5kW Motor |
|
Frame |
132 |
|
Power |
5.5kW |
|
Speed |
3000rpm, 1500rpm, 1000rpm |
|
Voltage |
220/380V, 230/400V, or customization |
|
Frequency |
50HZ/60HZ |
|
Efficiency |
IE1, IE2, IE3, IE4 |
|
Motor shaft diameter |
Φ28 |
|
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: Is this motor suitable for the continuous, 24-hour operation of large-scale fans and water pumps?
A: It is perfectly suited for this purpose. Specifically optimized for the constant-load operating conditions of fluid machinery, the motor features a high power factor, low operating losses, and ample thermal headroom. It maintains stable temperature rise during round-the-clock full-load operation, ensures steady air pressure and rotational speed without fluctuation, and delivers consistent power output without degradation. It is an ideal match for the multi-shift, continuous operation of industrial fans and pumps, offering exceptional reliability and long-term energy efficiency.
Q: How durable is the motor for mining and aggregate operations characterized by high vibration and heavy dust?
A: It offers exceptional durability. The unit features an IP55-rated multi-layer labyrinth seal that effectively blocks the ingress of dust and slag, while the reinforced housing structure withstands the high-frequency vibrations typical of mining equipment. Equipped with heavy-duty, wear-resistant bearings and a high-temperature-resistant insulation system, it ensures stable, long-term operation in harsh, dusty, and high-vibration outdoor environments, making it well-suited for the continuous, high-intensity demands of mining auxiliary machinery.
Q: Is the motor's service life guaranteed for heavy-duty equipment driven by pulleys and gear reducers?
A: Yes, a stable service life is guaranteed. The unit features a highly rigid frame, reinforced bearing housings, and excellent resistance to torsional shock. It is designed for variable-torque, continuous-load applications involving gear reducer or pulley drives, effectively counteracting the pulling forces and cyclic vibrations inherent in such transmissions. This prevents failures-such as shaft misalignment, bearing damage, and winding loosening-often caused by long-term operation, making it suitable for a wide range of heavy-duty engineering applications involving gear reduction.
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