0.55kW Motor
What is a 0.55kW Motor?
This 0.55 kW three-phase asynchronous squirrel-cage motor is manufactured in accordance with GB/T 755 and IEC 60034 international standards. It features a totally enclosed die-cast aluminum alloy housing and pure copper stator windings, delivering ample starting torque and robust load-bearing capacity to reliably withstand the stresses of frequent start-stop cycles and continuous operation. The motor boasts a rugged mechanical structure and low operational vibration; every unit undergoes comprehensive electrical and mechanical performance testing before leaving the factory.
With substantial torque reserves, this model is ideal for small-to-medium industrial equipment requiring frequent starting and stopping as well as continuous load operation. It supports customization for various voltages and frequencies, complies with international grid standards, and is widely integrated into systems such as conveyors, lifting equipment, pumps, and fans.
Models





Features
- Features an 80-frame aluminum housing that balances heat dissipation with structural rigidity: the integrated die-cast aluminum alloy casing incorporates dense cooling fins for high heat-transfer efficiency. The robust housing withstands vibrations caused by start-stop cycles and resists resonance; it is also rust-proof, making it suitable for workshop environments with high humidity or dust.
- Global Grid Compatibility: Supports voltage options for three-phase 220V and 380V systems and is compatible with both 50Hz and 60Hz frequencies. It meets the power supply standards of domestic industrial grids as well as those in Southeast Asia, Europe, the Middle East, and South America, making it suitable for integration into complete machinery packages destined for export.
- Versatile mounting options for flexible integration and replacement: B3 (horizontal foot-mounted), B5 (large flange), B35 (combined foot and flange), and B14 (small flange). Frame dimensions comply with IEC international standards, facilitating seamless equipment integration and on-site replacement of legacy motors.
Products Description
|
Model |
MS Series 0.55kW Motor |
|
Frame |
80 |
|
Power |
0.55kW |
|
Speed |
3000rpm, 1500rpm, 1000rpm |
|
Voltage |
220/380V, 230/400V, or customization |
|
Frequency |
50HZ/60HZ |
|
Efficiency |
IE1, IE2, IE3, IE4 |
|
Motor shaft diameter |
Φ19 |
|
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 a 0.55 kW motor suitable for equipment requiring frequent starting and stopping?
A: Yes, it is suitable. The motor offers ample starting torque, and its Class F insulation withstands the current surges associated with frequent starts and stops, allowing for prolonged, repetitive operation; it is a commonly used power source for small-scale screw feeders and lifting equipment.
Q: Can extended shafts or special keyway specifications be customized?
A: We support customization options such as extended shafts, dual-output shafts, special keyways, and stainless steel shafts to meet specific drive requirements for applications like feeding machines and mixing equipment.
Q: What are your quality control standards for motors, and how do you ensure product quality before shipment?
A: We adhere to a rigorous, end-to-end quality control system. Unlike the industry-standard practice of random sampling, we apply four key quality control measures to all 0.55kW three-phase motors: batch sampling of raw materials, in-process quality control, 100% inspection of finished products, and verification of protective packaging prior to shipment. Every motor undergoes comprehensive testing-covering dielectric strength, temperature rise, noise levels, and sealing integrity-and we strictly enforce a policy that prevents any non-conforming product from leaving the factory. By addressing potential issues such as overheating, abnormal noise, and insulation failure at the source, we ensure that every unit is fully capable of reliable, long-term operation under industrial conditions.
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