YE3 / YE4 / YE5 Series

High-Efficiency Energy-Saving Three-Phase Asynchronous Motors

Main Parameters:
Power range: 0.75–375 kW
Frame size: H80–355
Voltage and frequency: 380V / 50Hz, customized voltage and frequency are also available upon request
Cooling method: IC411
Protection class: IP54
Insulation class: Class 155 (F) insulation
Ambient temperature: -15°C to +40°C
Altitude: Not exceeding 1000 meters above sea level

Remark:
The main difference among YE3, YE4, and YE5 lies in their energy efficiency levels.

• YE3: High-efficiency motor
• YE4: Premium-efficiency motor, more energy-saving than YE3
• YE5:Ultra-premium-efficiencymotor, with the highest energy-saving performance among the three

YSP Series Variable Frequency Motor

Variable Frequency Speed-Regulating Three-Phase Asynchronous Motor

Main Parameters:

Duty type: S1 (Continuous duty)
Power supply: Three-phase 380V, 50Hz or 60Hz
Speed regulation range: 5–100Hz stepless speed regulation

• 5–50Hz (or 6–60Hz):Constant torque
• 50–100Hz:Constant power

Overload capacity: Able to withstand 160% of rated torque for 1 minute
Starting torque: 125%
Low-speed performance: Smooth torque output without crawling
Voltage boost capability: Capable of delivering rated torque at 5Hz through inverter voltage boosting without overheating or burnout
Insulation class: Class F
Protection class: Motor IP54; axial cooling fan IP55
Cooling method: IC416
Ambient temperature: -15°C to +40°C
Altitude: Not exceeding 1000 m
Power voltage tolerance: 380V (220V) ±10%
Frequency tolerance: 50Hz (60Hz) ±2%

Connection method:

• 3 kW and below:Star (Y) connection; can be changed to Delta (△) when inverter output is three-phase 220V
• 4 kW and above:Delta (△) connection

Optional accessories:
Photoelectric encoder, brake, tachogenerator, overspeed switch (optional / made-to-order)

The YSP series is specially designed for variable frequency drive applications. Compared with standard motors, it offers wider speed regulation range, better low-speed constant torque performance, independent cooling, and stronger adaptability to inverter power supply, making it especially suitable for equipment requiring precise speed control and stable operation.