3kW Motor
What is a 3kW Motor?
The 3kW three-phase asynchronous motor is a standard, high-performance general-purpose drive unit for industrial mass-production equipment. Precision-engineered in strict accordance with GB/T 755 and IEC 60034 international standards, it features a 100L extended frame (compliant with national standards), full-copper windings, and an optimized electromagnetic design. Compared to standard small-to-medium power motors, this unit offers comprehensive upgrades in power headroom, operational stability, energy efficiency, and application versatility. It represents the optimal power configuration for small-to-medium industrial production lines, integrated machinery systems, and heavy-duty fluid handling equipment, perfectly meeting the demands of round-the-clock, continuous operation.
The motor delivers balanced operating torque, precise rotational speed, and controlled temperature rise. It is free from common issues such as frequent overloading, power degradation, or operational vibration, making it suitable for both steady-state continuous loads and intermittent shock loads typical of industrial environments.
Models





Features
- Featuring a 100L extended frame compliant with international standards, this motor offers exceptional operational versatility. Its dedicated 100L extended frame design incorporates a longer core, a larger heat dissipation chamber, and superior structural rigidity. Compared to 90-series frame motors, it delivers comprehensive improvements in thermal headroom, vibration resistance, and continuous load capacity, easily handling multi-shift, round-the-clock, high-intensity mass production environments with outstanding durability.
- High-density pure copper windings ensure energy efficiency, low consumption, and long-term stability. The design utilizes a precision, tight-winding process with high-purity oxygen-free copper, complemented by a dual-process approach involving vacuum pressure impregnation and high-temperature curing; this results in uniform coil arrangement and excellent insulation sealing. An optimized electromagnetic circuit design effectively reduces operational copper and iron losses and improves the power factor, leading to lower energy consumption and stable temperature rise during continuous mass-production operation, alongside outstanding resistance to aging and voltage fluctuations.
- Comprehensive coverage across all pole counts and broad equipment compatibility: Supports customization of specifications ranging from 2 to 8 poles. High-speed models are suitable for high-pressure blowers and high-speed pumps; medium-speed models suit assembly lines and general-purpose machining equipment; and low-speed, high-torque models are ideal for mixing, speed-reduction, and heavy-duty conveying systems-allowing a single motor to serve various types of core factory equipment.
Products Description
|
Model |
MS Series 3kW Motor |
|
Frame |
100 |
|
Power |
3kW |
|
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: Can consistent performance be guaranteed when multiple motors operate synchronously across the entire production line?
A: Yes, consistency is guaranteed. Mass production utilizes raw materials from the same source, standardized automated processes, and a unified nine-point comprehensive inspection standard. By strictly controlling electrical parameters, rotational speed, torque, and tolerances for vibration and noise, we ensure a high degree of performance uniformity among the motors. This guarantees that the entire line operates synchronously at a constant speed, eliminating issues such as speed discrepancies between individual units or a lack of operational synchronization.
Q: Is the sealing protection of this IP55 motor sufficient for a workshop environment with minor oil contamination and mist?
A: It is fully sufficient. The unit features an IP55-rated, closed-loop, multi-layer sealing structure. Reinforced seals at the end shields, terminal box, and housing joints effectively block the ingress of minor oil splashes, water mist, and airborne dust. This prevents issues such as winding moisture and bearing seizure caused by dust accumulation, making it suitable for the complex environments found in most light-industrial mass-production workshops without the need for additional protective equipment.
Q: What routine practices can effectively extend the service life of the mass-produced 3kW motor?
A: Routine maintenance is simple and efficient, requiring no complex procedures. Regularly clean dust from the motor housing's cooling fins and fan to ensure unobstructed heat dissipation. Routinely inspect terminal connections and mounting bolts to prevent issues such as loosening due to vibration or overheating caused by poor contact. Avoid prolonged overloading or frequent stalled-rotor operation. Performing a quick insulation check before restarting the motor after a long period of inactivity can minimize failure rates and significantly extend the motor's operational lifespan.
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