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WE5C250M 6P 37kW


Output IEC Frame Rated speed Full load current            In(A)    Efficiency η%  Power Factor (Cosφ) Locked rotor current IL/In Locked rotor torque TL/Tn Break-down torque Tb/Tn Sound LP dB(A) Moment of Inertia  J        kgm2   Weight (kg)
  % of full load
KW HP (rpm) 380V 660V 400V 690V 100 75 50 100 75 50
37 50 250M 985 70.9  40.8  67.4  39.1  95.6  95.4  94.5  0.83  0.77  0.66  8.5  2.2  2.6  62 1.4765 544

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Product Introduction

Wonder WE5 Series IE5 Ultra-premium Efficiency Three-phase Induction Motors adopt advanced electromagnetic optimization design and high-efficiency manufacturing technologies. They comply with IEC60034 standards and achieve the IE5 ultra-premium efficiency level. By reducing operating losses and improving energy utilization efficiency, WE5 motors help industrial equipment achieve energy savings, lower operating costs, and meet the requirements of green manufacturing and low-carbon development.

Key Advantages

Premium Efficiency & Energy Saving

  • Complies with IEC60034 IE5 efficiency level 
  • Effectively reduces motor operating losses 
  • Significantly lowers electricity costs in long‑term operation scenarios

IE5 Premium Efficiency · Lower Energy Consumption · Reduced Carbon Emissions

High Reliability & Extended Service Life

  • High‑quality enameled wire and insulation materials achieve Class F insulation 
  • VPI (Vacuum Pressure Impregnation) technology enhances insulation reliability 
  • Optimized cooling structure reduces temperature rise and extends motor and bearing service life 
  • Reduces maintenance frequency and improves equipment operating stability

Stable Operation · Excellent Insulation · Low Temperature Rise

Low Noise & Low Vibration

  • Optimized stator and rotor slot design 
  • Aerodynamic fan design reduces ventilation noise 
  • High‑rigidity housing structure improves mechanical stability 
  • Optimized bearing fit ensures smoother operation 
  • Optimized bearing fit ensures smoother operation

Meets IEC60034‑14 Vibration Grade A requirements

Flexible Design for Various Applications

  • Supports multiple mounting arrangements 
  • Terminal box can be rotated by 90° 
  • Removable feet design for frame sizes 80‑250, reducing replacement costs and improving installation flexibility 
  • Customized mechanical and electrical solutions available

Modular Design · Flexible Installation · Customized Solutions

Outstanding Manufacturing Quality

  • Comprehensive painting protection 
  • Meets ISO12944 C2 corrosion protection requirements 
  • Standard colors:RAL9005 Black 
  • Standard colors:RAL5015 Blue

Precision Manufacturing · Industrial‑Grade Reliability

Product Specifications

Item Specification
Product Series WE5 Series
Motor Type Three‑Phase Induction Motor
Efficiency Class IE5 Ultra‑premium Efficiency
Standards IEC60034
Output Power Range 0.75‑315 kW
Frame Size 80 ~ 355
Frame Size 2P / 4P / 6P
Rated Voltage 220/380V, 230/400V, 380/660V, 400V/690V
Rated Frequency 50Hz
Protection Class IP55
Cooling Method IC411
Mounting Arrangement B3、B5/V1、B35、B34、B14
Applications Fans, Ventilators, Pumps, Compressors and other general industrial equipment

High Efficiency Comes from Every Detail

Electromagnetic
  • Reduced magnetic flux density
  • Optimized winding design
  • Reduced copper loss and iron loss
Rotor
  • Increased conductor area
  • Optimized rotor slot design
  • Reduced stray load losses
Cooling
  • Aerodynamic fan design
  • Optimized airflow path
  • Reduced temperature rise
Insulation
  • High‑quality insulation materials
  • VPI (Vacuum Pressure Impregnation) technology
Structural
  • High‑rigidity motor housing
  • Precision bearing matching

Widely Applied in Industrial Power Systems

Pump Equipment
  • Water pumps
  • Industrial circulation systems
  • Vacuum pumps
  • Chemical pumps
  • Sewage Pump
  • Hydraulic Oil Pumps
Air Compressors
  • Compressed air systems
  • Screw Air Compressors
  • Piston Air Compressors
  • Oil‑free Scroll Air Compressors
  • Centrifugal Air Compressors
  • Portable Mobile Air Compressors
Fan Systems
  • Industrial ventilation systems
  • Dust Removal Fans
  • Boiler Induced Draft Fans
  • Tunnel Ventilation Fans
  • Centrifugal Fans
  • Smoke Exhaust Fans
Industrial Machinery
  • Textile machinery
  • Stone processing machinery
  • Floor grinding machinery
  • Rubber & plastics machinery
  • Crushing machinery
  • Gearboxes and other industrial equipment

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