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What is the difference between a yzr motor and a y2 motor?

Update:04-08-2022
Summary:Although the yzr motor and the Y2 variable frequency motor belong to the same three-phase asynchronous motor, the main functions of the two motors are different. There are two main design methods for the y2 series motor, and the yzr motor also has tw......
Although the yzr motor and the Y2 variable frequency motor belong to the same three-phase asynchronous motor, the main functions of the two motors are different. There are two main design methods for the y2 series motor, and the yzr motor also has two main applications. Apart from that, there are many differences between them.
1. The purpose of yzr motor and y2 motor is different.
The yzr motor is a motor used in lifting metallurgical places, mainly used to drive lifting machinery and metallurgical machinery auxiliary equipment; the y2 motor is a general-purpose motor.
2. The motor windings of the yzr motor and the y2 motor are different.
Jiamusi yzr motor is a wound squirrel-cage rotor three-phase asynchronous motor; y2 motor is a fully enclosed self-fan-cooled squirrel-cage three-phase asynchronous motor.
3. The design serial numbers of yzr motor and y2 motor are different
yzr electric belongs to the first design. The y2 series motor belongs to the updated product of the y series motor and is the second design sequence.
4. The protection levels of yzr motor and y2 motor are different
The main use places of yzr motors can be divided into lifting places and metallurgical places. The protection grade of motors used in lifting places belongs to IP44, and the protection grade of motors used in metallurgical places belongs to IP54; the protection grade of y2 motors basically reaches IP55. 

YE4 SERIES THREE PHASE ASYNCHRONOUSMOTOR
Product Features
YE4 series is a newly designed ultra-high-efficiencylow-voltage three-phase asynchronous motor. ltadopts high-strength cast iron structure and has thecharacteristics of high efficiency, high reliability,beautiful appearance, low noise and low vibration. Itis suitable for fans, pumps, compressors and constructionmachinery.and otherindustrial fields that requireenergy saving and continuous operation.
Ambient Temperature:-15℃~+40℃
Relative Humidity:Not Exceed 90%(below 20℃)
Rated Voltage:380V
Rated Frequency:50Hz
Insulation Class:F Class
Duty:Continuous Duty S1
Cooling Method:IC411
Ingress Protection:lP55
Connection:Y connection for 3KW and below,connection for 3KW above