Three Phase Squirrel Cage Motor
What is a Three Phase Squirrel Cage Motor?
Three-phase squirrel-cage asynchronous motors are the most widely used AC induction motors in industrial applications. They operate on the principle of electromagnetic induction to generate power. The rotor features a cast-aluminum, short-circuited "squirrel-cage" structure; the design eliminates the need for carbon brushes or slip rings, making these motors well-suited for long-term, continuous, and stable operation. This series consists of standardized, general-purpose models available with IE2 or IE3 efficiency ratings. They feature an IP55 ingress protection rating and utilize an IC411 cooling method. These motors comply with both GB/T 18613 and IEC 60034 international standards. They are designed for standard 380V, 400V, or 660V power supplies at a 50Hz frequency, supporting direct-on-line starting as well as operation with variable frequency drives (VFDs) or soft starters.
Models
Features
1. Simple structure with minimal maintenance requirements-only periodic bearing regreasing and insulation resistance checks are needed-thereby reducing downtime for maintenance.
2. The IE3 high-efficiency version features optimized no-load loss, offering significant electricity cost savings during long-term continuous operation and meeting both domestic and international energy-efficiency standards.
3. Standardized external dimensions ensure compatibility with a wide range of equipment.
4. Supports simple direct-on-line (DOL) starting, which keeps control circuit costs low; can also be paired with a variable frequency drive (VFD) for smooth speed control.
5. Capable of withstanding short-term overloads, making it well-suited for the inertial loads encountered during the startup phase of fans and pumps.
Products Description
|
Model |
MS/Y2 |
|
Frame |
56~355 |
|
Power |
0.09KW~355KW |
|
Speed |
3000rpm, 1500rpm, 1000rpm |
|
Voltage |
220/380V, 230/400V, 400/690V, 380/660V |
|
Frequency |
50HZ/60HZ |
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Efficiency |
IE1, IE2, IE3, IE4 |
|
Cooling |
Fan |
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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 the speed of a squirrel-cage motor be controlled using a variable-frequency drive (VFD)?
A: Yes. Using a VFD allows for smooth speed control and reduces the impact during startup. Note, however, that when the motor operates at low frequencies for extended periods, the cooling capacity of its built-in fan decreases; in such cases, an independent cooling fan should be installed if necessary.
Q: What does IP55 mean?
A: IP55 indicates protection against the accumulation of dust and resistance to water splashing from any direction. It is suitable for use in damp or dusty workshop environments, but it is not intended for direct immersion in water.
Q: Can it directly replace an old Y-series motor?
A: YE3 squirrel-cage motors with the same power rating, number of poles, and mounting code feature standardized mounting dimensions. In most cases, they can directly replace older motors; you simply need to verify the output shaft diameter and flange dimensions.
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