
5.5 Kw 3 Phase Motor
5.5 Kw 3 Phase Motor
The 5.5 kW three-phase motor is a powerful and reliable solution designed for industrial and commercial applications. Known for its energy efficiency and strong performance, this motor provides stable power output in a variety of demanding environments. With its durable construction and advanced cooling system, it ensures long operation under continuous load. This motor is ideal for machinery, HVAC systems, pumps, and heavy equipment that require high torque and stable operation. Its flexible mounting options and high insulation rating make it suitable for a variety of settings and challenging working conditions.

High-efficiency performance
The efficiency of this motor meets international energy efficiency standards, effectively reducing energy consumption while providing strong power. This high efficiency enables it to perform well under heavy load or continuous working conditions.
Durable materials
The motor is made of high-quality materials and is designed with full consideration of wear and corrosion resistance to ensure long-term operation in harsh environments and reduce the frequency of failures.
Enhanced heat dissipation system
Equipped with an efficient air cooling or water cooling system, the motor can maintain a low temperature during long-term operation, reduce overheating problems, and extend the life of the motor.
Versatile installation options
The motor provides flexible installation methods such as foot mounting and flange mounting, making it suitable for different equipment and space layouts, and easy to integrate into various machinery.
Technical Specifications
| Parameter | Specification |
| Power Output | 5.5 kW |
| Voltage | 380V/415V |
| Frequency | 50 Hz/60 Hz |
| Phases | 3 |
| Efficiency | ≥88% |
| Insulation Class | F |
| Protection Rating | IP55 |
| Speed | 1500 RPM/3000 RPM |
| Duty Cycle | S1(Continuous) |
| Starting Method | DOL/Star-Delta |
| Cooling Method | IC411(Fan-cooled) |
| Mounting Type | Foot /Flange Mount |
| Ambient Temperature | -15C to +40℃ |
| Noise Level | ≤78 dB(A) |
| Weight | 65 kg |



Application areas of this product




Manufacturing equipment
Widely used in industrial equipment such as CNC machine tools, automated production lines and conveying systems, providing stable power to ensure efficient production.
Pump equipment
Applicable to industrial water pumps, sewage treatment systems and irrigation systems, the motor provides reliable and continuous power for the pump.
Ventilation and air conditioning systems
Applied in HVAC systems, such as high-power fans and compressors, to provide efficient air circulation and temperature control for commercial and industrial buildings.
Heavy machinery
Applicable to equipment that requires strong power, such as construction machinery, mining equipment and cranes, to ensure stable operation under high load conditions.
Installation Method:
| Structure and installation type (IM code)) |
IM B3 | IM B8 | IM B5 | IM B6 | IM V5 | IM V1 | IM B7 | IM V6 | IM V3 |
| Installation diagram | ![]() |
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| Frame size | 63-450 | 63-160 | 63-280 | 63-160 | 63-160 | 63-450 | 63-160 | 63-160 | 63-160 |
| Structure and installation type (IM code)) |
IM V37 | IM V17 | IM B34 | IM V19 | IM V18 | IM B14 | IM V35 | IM V15 | IM B35 |
| Installation diagram | ![]() |
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| Frame size | 63-132 | 63-13 | 63-132 | 63-132 | 63-132 | 63-132 | 63-160 | 63-160 | 63-450 |
FAQ
What are the starting methods of the motor?
This motor supports direct starting and star-delta starting. Direct starting is suitable for applications with light loads, while star-delta starting can effectively reduce the starting current, which is suitable for equipment with heavy loads and reduces the impact on the power grid.
What is the protection level of this motor? What environments is it suitable for?
The motor has an IP55 protection level to prevent dust and water jets from entering, and is suitable for use in dusty or slightly humid industrial environments. If used in more severe environments, it is recommended to add additional protective devices.
Can the motor operate stably in high temperature environments?
Yes, the motor has an insulation level of F and can withstand operating temperatures up to 155°C. At the same time, its advanced heat dissipation system can effectively prevent overheating and ensure stable operation in high temperature environments.
How to maintain to ensure long-term stable operation of the motor?
It is recommended to regularly check whether the motor wiring is loose, whether the bearing lubrication is sufficient, and whether the cooling air duct is unobstructed. Before each operation, it is also necessary to ensure that the motor housing is clean to avoid dust accumulation affecting heat dissipation.
What is the noise level of the motor? Will it affect the operating environment?
The noise level of the motor is less than 78 dB(A), which meets industrial noise standards. In most environments, this noise level is acceptable and will not cause serious interference in the workplace. If there are higher noise requirements, noise reduction equipment can be installed.
Can the motor be used outdoors?
The motor has an IP55 protection level and can be used in outdoor environments. However, if it is exposed to extreme weather for a long time, it is recommended to take additional protective measures, such as installing a protective cover to avoid direct rain intrusion.
If the motor fails, is it difficult to repair?
The motor is well designed, and common maintenance work includes replacing bearings and checking electrical connections, which can be completed by professional technicians. In addition, the motor's spare parts are highly versatile, and replacement parts can be found quickly to ensure the convenience and timeliness of maintenance.
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