摘要:
The YE4 series high-efficiency energy-saving three-phase asynchronous motor meets Class 2 energy efficiency standards, offering excellent performance and significant energy savings. It is designed for industrial applications such as pumps, fans, and conveyors, providing reliable and cost-effective motor solutions.
Xi’an Simo Motor YE4 Series Ultra-Ultra-High-Efficiency Three-Phase Motor assíncrono – Professional Guide
Green Power Solution – Advanced Energy-Saving Technology Compliant with National and International Efficiency Standards
O YE4 series ultra-high-efficiency three-phase asynchronous motor is a next-generation energy-saving motor that combines exceptional energy efficiency, reliable operational performance, e broad environmental adaptability. This series fully meets national and international efficiency standards, providing industrial sectors with a green, environmentally friendly, and high-performance power solution to support energy conservation initiatives.

1. Product Model & Identification
Example model: YE4-132S2-2
- Y: Asynchronous motor
- E4: IE4 ultra-ultra-high-efficiency grade
- 132: Frame center height 132 mm
- S: Frame length code
- 2: Core length code
- 2: Pole number (2 poles)
Standards Compliance:
- National: GB/T 4831
- International: IEC standards
2. Product Overview – Advanced Ultra-High-Efficiency Power
Efficiency Standards & Features
- International Efficiency: IE4 grade according to IEC 60034-30 latest version
- National Efficiency: GB18613-2020, Level 2 (high efficiency)
- Efficiency Measurement: Input-output power loss analysis method according to GB/T 1032-2012
Installation & Structural Features
- Mounting Compatibility: IEC standard; fully aligned with DIN42673
- Protection Grade: IP55 (dust-proof and splash-proof)
- Cooling Method: IC411, self-ventilated
- Duty: Continuous operation (S1)
- Insulation: F-class materials, temperature rise evaluated as B-class
- Noise Control: Strict load noise requirements
Electrical Parameters
- Rated Voltage: 380V (optional 660V)
- Frequency: 50Hz
- Power Range: 0.75–375 kW
- Poles: 2, 4, 6, 8
- Connection Method:
- ≤3 kW: Star (Y)
- ≥4 kW: Delta (Δ)
3. Innovative Structure & Technical Features
Optimized Bearing System
- H80-H160 Frames: Fully enclosed, maintenance-free bearing design
- H180+ Frames: Open-type bearings with grease refill system during operation
- Lubrication: Front and rear bearings with non-stop grease refill
Flexible Terminal System
- Multi-function terminal box:
- Standard: Top outlet
- Optional: Left/Right outlet, 90° or 180° rotation
Protection & Drainage
- IP55 protection: Prevents dust and water ingress
- Condensation drain: Prevents internal moisture accumulation
- High-strength cast iron: Ensures mechanical durability
4. Key Advantages & Core Values
Ultra-High Energy Efficiency
- Electromagnetic Optimization:
- Low-loss silicon steel laminations
- Optimized stator and rotor slot design
- Improved air-gap magnetic field for better power factor
- Efficiency Gains:
- ~2-3% higher than YE3 series
- ~6% higher than standard YX3 series
- Flat efficiency curve between 50-100% load
- Economic Benefit:
- Lower energy consumption cost
- Shorter investment payback period
- Compliant with national energy-saving policies
Reliability & Environmental Adaptability
- Temperature Range: -15°C to +40°C
- Altitude: ≤1000 m
- Protection: IP55, suitable for dusty and humid environments
- Insulation: F-class, evaluated as B-class for longer life
- Low vibration & noise: Improved working environment
5. Application Fields
- General industrial equipment: machine tools, pumps, fans, compressors
- Material handling: conveyors, transport systems
- Processing machinery: mixers, printing equipment
- Agricultural machinery
- Food processing equipment
- Heavy industry: steel, metallurgy, mining, chemical industry
Environmental suitability: Non-flammable, non-explosive, non-corrosive industrial environments
6. Operating Conditions
- Altitude: ≤1000 m
- Temperature: -15°C to 40°C
- Duty: Continuous (S1)
- Voltage tolerance: ±5%
- Frequency tolerance: ±1%
- Transmission: Coupling recommended; gears or pulleys acceptable
- Cooling: IC411
- Protection: IP55
7. Xi’an Simo Motor Quality Assurance
- Enterprise Expertise: Complete motor R&D and manufacturing system integrating electrical, control, precision machining, and mold production
- Certifications: ISO9001, CE, CCC, China Energy-Saving Product Certification
- Industry Recognition: China Machinery Top 500, AAA-qualidade enterprise
- Quality Commitment:
- Strict standards execution, no non-compliant products
- Rigorous factory testing
- On-time delivery
- Professional technical consultation and after-sales service
- Three guarantees service, lifelong technical support
8. Selection & Ordering Guidelines
- Transmission limits:
- ≥5.5 kW, 2-pole: belt drive not allowed
- ≥37 kW, 4-pole: belt drive not allowed
- Coupling or direct drive recommended
- Default configuration: Horizontal B3 mounting, B-class insulation, IP55
- Special configurations: Double shaft, reverse terminal box, reverse shaft rotation, tropical or outdoor anti-corrosion types
- Ordering details: Model, rated power & speed, voltage & frequency, mounting type, noise class, special environmental/technical requirements
9. Economic & Environmental Value
- Energy Savings: Reduced power consumption and operating cost
- Maintenance Efficiency: Fewer service intervals, longer service life
- Total Cost of Ownership: Lower overall operating costs
- Environmental Benefit: Reduced carbon emissions, aligned with China’s “dual carbon” strategy
Conclusão
O YE4 series ultra-ultra-high-efficiency three-phase asynchronous motor combines top-tier energy efficiency, reliability, and adaptability, making it ideal for industrial energy-saving retrofits and equipment upgrades.
Contact Simo Motor technical team for detailed specifications, customized selection guidance, and complete energy-saving solutions.
If you want, I can now create a full comparative chart of YE2, YE3, and YE4 series, showing frame sizes, power ranges, efficiency levels (IE2, IE3, IE4), pole options, and main applications – a ready-to-use reference for engineers and international customers.





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