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  • IE2 IE3 IE4 Premium Efficiency Three-phase Asynchronous Motor
  • IE2 IE3 IE4 Premium Efficiency Three-phase Asynchronous Motor
  • IE2 IE3 IE4 Premium Efficiency Three-phase Asynchronous Motor
  • IE2 IE3 IE4 Premium Efficiency Three-phase Asynchronous Motor
  • IE2 IE3 IE4 Premium Efficiency Three-phase Asynchronous Motor
  • IE2 IE3 IE4 Premium Efficiency Three-phase Asynchronous Motor
  • IE2 IE3 IE4 Premium Efficiency Three-phase Asynchronous Motor
  • IE2 IE3 IE4 Premium Efficiency Three-phase Asynchronous Motor

Three-phase Asynchronous Motor

  • IE2 IE3 IE4 Premium Efficiency Three-phase Asynchronous Motor
  • IE2 IE3 IE4 Premium Efficiency Three-phase Asynchronous Motor
  • IE2 IE3 IE4 Premium Efficiency Three-phase Asynchronous Motor
  • IE2 IE3 IE4 Premium Efficiency Three-phase Asynchronous Motor
  • IE2 IE3 IE4 Premium Efficiency Three-phase Asynchronous Motor
  • IE2 IE3 IE4 Premium Efficiency Three-phase Asynchronous Motor
  • IE2 IE3 IE4 Premium Efficiency Three-phase Asynchronous Motor
  • IE2 IE3 IE4 Premium Efficiency Three-phase Asynchronous Motor

IE2 IE3 IE4 Premium Efficiency Three-phase Asynchronous Motor

Frame: 63-355

Power: 0.55kW-315kW

Frequency: 50/60Hz

AC Voltage: 380V/200-660V

Poles: 2P, 4P, 6P, 8P

Ambient temperature: -15°C≤0≤40°C

Altitude: not exceeding 1000m

Housing: Cast Iron/Aluminium

Protection class: IP55

Insulation class: F

Cooling method: ICO141

Installation method: IMB3/IMB5/IMB35/other

Working System: S1

Connection: Star-connection for up to 3kw delta-connection for 4kw and above

Certification: CCC, CE

technical specification Mounting Dimensions FAQ Company History
YE3 series three-phase asynchronous motors meet the level 2 energy efficiency requirements specified in GB18613-2012 and the IE3 energy efficiency rating of the IEC60034-30-2008 standard. Compared with ordinary motors, the motor has higher efficiency, which is the first choice for energy saving and environmental protection. The motor adopts advanced design concepts; Mature and precise processing technology; High quality raw materials, with many advantages such as compact structure, high energy efficiency, low noise, low vibration, stable and reliable operation, long service life, and so on. As driving equipment, it is widely used in all kinds of fans, pumps, machine tools, and other equipment.
Model Power Speed (r/min) Efficiency (%) Rated Speed Current (A) Torque(N/M) Blocking torque/rated torque
Tsn/Tn
Maximum torque/rated torque
Tmax/Tn
Blocking Current/Rated Current
is/in
Weight(kg)
KW HP 380V 400V 415V
YE3-631-2 0.18 0.24 2735 65.9 0.8 0.5 0.49 0.48 0.63 2.3 2.2 7 4
WE3-632-2 0.25 0.34 2735 69.7 0.81 0.7 0.64 0.62 0.87 2.3 2.2 7 4.5
YE3-711-2 0.37 0.5 2760 73.8 0.81 0.9 0.89 0.86 1.28 2.3 2.2 7 6.5
WE3-712-2 0.55 0.75 2760 77.8 0.82 1.3 1.24 1.2 1.9 2.3 2.2 7 7.5
YE3-801-2 0.75 1 2880 80.7 0.82 1.7 1.6 1.6 2.49 2.3 2.3 7 18.1
YE3-802-2 1.1 1.5 2880 82.7 0.83 2.4 2.3 2.2 3.65 2.2 2.3 7.3 19.5
YE3-90S-2 1.5 2 2895 84.2 0.84 3.2 3.1 3 4.95 2.2 2.3 7.6 23.3
YE3-90L-2 2.2 3 2895 85.9 0.85 4.6 4.3 4.2 7.26 2.2 2.3 7.6 27.1
YE3-100L-2 3 4 2895 87.1 0.87 6 5.7 5.5 9.9 2.2 2.3 7.8 38.8
YE3-112M-2 4 5.5 2905 88.1 0.88 7.8 7.4 7.2 13.1 2.2 2.3 8.3 48.3
YE3-132S1-2 5.5 7.5 2930 89.2 0.88 10.6 10.1 9.7 17.9 2 2.3 8.3 55.1
YE3-132S2-2 7.5 10 2930 90.1 0.88 14.4 13.7 13.2 24.4 2 2.3 7.9 69.2
YE3-160M1-2 11 15 2945 91.2 0.89 20.6 19.6 18.9 35.7 2 2.3 8.1 113
YE3-160M2-2 15 20 2945 91.9 0.89 27.9 26.5 25.5 48.6 2 2.3 8.1 123
YE3-160L-2 18.5 25 2940 92.4 0.89 34.2 32.5 31.3 60.1 2 2.3 8.2 142
YE3-180M-2 22 30 2955 92.7 0.89 40.5 38.5 37.1 71.1 2 2.3 8.2 182
YE3-200L1-2 30 40 2960 93.3 0.89 54.9 52.1 50.3 96.8 2 2.3 7.6 246
YE3-200L2-2 37 50 2960 93.7 0.89 67.4 64 61.7 119.4 2 2.3 7.6 265
YE3-225M-2 45 60 2965 94 0.9 80.8 76.8 74 144.9 2 2.3 7.7 323
YE3-250M-2 55 75 2970 94.3 0.9 98.5 93.5 90.2 176.9 2 2.3 7.7 413
YE3-280S-2 75 100 2975 94.7 0.9 133.7 127 122.4 240.8 1.8 2.3 7.1 546
YE3-280M-2 90 125 2975 95 0.9 159.9 151.9 146.4 288.9 1.8 2.3 7.1 569
VE3-315S-2 110 150 2975 95.2 0.9 195.1 185.3 178.6 352.8 1.8 2.3 7.1 897
YE3-315M-2 132 180 2978 95.4 0.9 233.6 221.9 213.9 423.3 1.8 2.3 7.1 1029
YE3-315L1-2 160 200 2978 95.6 0.91 279.4 265.5 255.9 512.8 1.8 2.3 7.2 1067
YE3-315L2-2 200 270 2980 95.8 0.91 348.6 331.1 319.2 640.9 1.8 2.2 7.2 1194
YE3-355M-2 250 340 2980 95.8 0.91 435.7 413.9 399 800.6 1.6 2.2 7.2 1685
YE3-355L-2 315 430 2982 95.8 0.91 549 521.5 502.7 1009 1.6 2.2 7.2 1734

Model Rated Power Rated Speed Efficiency(%) Power Factor Rated Current (A) Rated Torque(NM) Blocking torque/rated torque
Tsn/Tn
Maximum torque/rated torque
Tmax/Tn
Blocking Current/Rated Current
is/in
Weight(kg)
kW HP 380V 400V 415V
YE3-631-4 0.12 0.16 1330 64.8 0.72 0.4 0.37 0.36 0.86 2.1 2.2 6.6 4
YE3-632-4 0.18 0.24 1330 69.9 0.73 0.5 0.51 0.49 1.29 2.1 2.2 6.6 4.5
YE3-711-4 0.25 0.34 1350 73.5 0.74 0.7 0.66 0.64 1.77 2.1 2.2 6.6 6.5
YE3-712-4 0.37 0.5 1350 77.3 0.75 1 0.92 0.89 2.62 2.1 2.2 6.6 7.5
YE3-801-4 0.55 0.75 1400 80.8 0.75 1.4 1.3 1.3 3.75 2.4 2.3 5.2 17.6
YE3-802-4 0.75 1 1420 82.5 0.75 1.8 1.7 1.7 5.04 2.3 2.3 5.6 18.4
YE3-90S-4 1.1 1.5 1445 84.1 0.76 2.6 2.5 2.4 7.27 2.3 2.3 6.6 24.2
YE3-90L-4 1.5 2 1445 85.3 0.77 3.5 3.3 3.2 9.91 2.3 2.3 6.8 29.7
YE3-100L1-4 2.2 3 1435 86.7 0.81 4.8 4.5 4.4 14.6 2.3 2.3 7 41.5
YE3-100L2-4 3 4 1435 87.7 0.82 6.3 6 5.8 20 2.3 2.3 7.6 46
YE3-112M-4 4 5.5 1440 88.6 0.82 8.4 7.9 7.7 26.5 2.2 2.3 7.6 63.2
YE3-132S-4 5.5 7.5 1460 89.6 0.83 11.2 10.7 10.3 36 2 2.3 7.8 71.2
YE3-132M-4 7.5 10 1460 90.4 0.84 15 14.3 13.7 49.1 2 2.3 7.8 85.1
YE3-160M-4 11 15 1465 91.4 0.85 21.5 20.4 19.7 71.7 2.2 2.3 7.9 121
YE3-160L-4 15 20 1465 92.1 0.86 28.8 27.3 26.3 97.8 2.2 2.3 7.5 142
YE3-180M-4 18.5 25 1470 92.6 0.86 35.3 33.5 32.3 120.2 2 2.3 7.7 181
YE3-180L-4 22 30 1470 93 0.86 41.8 39.7 38.3 142.9 2 2.3 7.8 209
YE3-200L-4 30 40 1475 93.6 0.86 56.6 53.8 51.9 194.2 2 2.3 7.8 284
YE3-2255-4 37 50 1485 93.9 0.86 69.6 66.1 63.7 237.9 2 2.3 7.8 328
YE3-225M-4 45 60 1485 94.2 0.86 84.4 80.2 77.3 289.4 2 2.3 7.3 363
YE3-250M-4 55 75 1485 94.6 0.86 102.7 97.6 94.1 353.7 2.2 2.3 7.4 442
YE3-280S-4 75 100 1486 95 0.88 136.3 129.5 124.8 482 2 2.3 7.4 569
YE3-280M-4 90 125 1486 95.2 0.88 163.2 155.1 149.5 578.4 2 2.3 7.4 639
YE3-315S-4 110 150 1488 95.4 0.89 196.8 187 180.2 706 2 2.2 6.9 939
YE3-315M-4 132 180 1488 95.6 0.89 235.7 223.9 215.8 847.2 2 2.2 6.9 1033
YE3-315L1-4 160 200 1488 95.8 0.89 285.1 270.9 261.1 1027 2 2.2 7 1126
YE3-315L2-4 200 270 1490 96 0.9 351.7 334.1 322 1282 2 2.2 7 1238
YE3-355M-4 250 340 1490 96 0.9 439.6 417.7 402.6 1602 2 2.2 7.1 1830
YE3-355L-4 315 430 1490 96 0.9 553.9 526.2 507.2 2019 2 2.2 7.1 1950

Model Rated Power Rated Speed Efficiency(%) Power Factor Rated Current (A) Rated Torque(NM) Blocking torque/rated torque
Tsn/Tn
Maximum torque/rated torque
Tmax/Tn
Blocking Current/Rated Current
is/in
Weight (kg)
kW HP 380V 400V 415V
YE3-711-6 0.18 0.24 860 63.9 0.66 0.6 0.62 0.59 2 1.9 1.9 6 6
YE3-712-6 0.25 0.34 860 68.6 0.68 0.8 0.77 0.75 2.78 1.9 1.9 6 7.5
YE3-801-6 0.37 0.5 890 62 0.7 1.3 1.2 1.2 3.97 1.9 2 4.7 15.2
YE3-802-6 0.55 0.75 890 73.6 0.72 1.6 1.5 1.4 5.9 1.9 2.1 4.7 16.6
YE3-90S-6 0.75 1 935 78.9 0.72 2 1.9 1.8 7.66 2 2.1 6 24.1
YE3-90L-6 1.1 1.5 945 81 0.73 2.8 2.7 2.6 11.1 2 2.1 6 25.7
YE3-100L-6 1.5 2 949 82.5 0.74 3.7 3.5 3.4 15.1 2 2.1 6.5 34.9
YE3-112M-6 2.2 3 955 84.3 0.74 5.4 5.1 4.9 22 2 2.1 6.6 54.2
YE3-132S-6 3 4 968 85.6 0.74 7.2 6.8 6.6 29.6 2 2.1 6.8 62.3
YE3-132M1-6 4 5.5 968 86.8 0.74 9.5 9 8.7 39.5 2 2.1 6.8 75.2
YE3-132M2-6 5.5 7.5 968 88 0.75 12.7 12 11.6 54.3 2 2.1 7 82.3
YE3-160M-6 7.5 10 970 89.1 0.79 16.2 15.4 14.8 73.8 2 2.1 7 112
YE3-160L-6 11 15 970 90.3 0.8 23.1 22 21.2 108.3 2 2.1 7.2 134
YE3-180L-6 15 20 978 91.2 0.81 30.9 29.3 28.2 146.5 2 2.1 7.3 197
YE3-200L1-6 18.5 25 980 91.7 0.81 37.8 36 34.7 180.3 2 2.1 7.3 234
YE3-200L2-6 22 30 980 92.2 0.81 44.8 42.5 41 214.4 2 2.1 7.4 251
YE3-225M-6 30 40 980 92.9 0.83 59.1 56.2 54.1 292.3 2 2.1 6.9 308
YE3-250M-6 37 50 985 93.3 0.84 71.7 68.1 65.7 358.7 2 2.1 7.1 383
YE3-280S-6 45 60 985 93.7 0.85 85.8 81.6 78.6 436.3 2 2 7.3 501
YE3-280M-6 55 75 985 94.1 0.86 103.3 98.1 94.6 533.2 2 2 7.3 573
YE3-3155-6 75 100 985 94.6 0.84 143.4 136.2 131.3 727.2 2 2 6.6 843
YE3-315M-6 90 125 988 94.9 0.85 169.5 161 155.2 869.9 2 2 6.7 941
YE3-315L1-6 110 150 988 95.1 0.85 206.8 196.4 189.3 1063 2 2 6.7 1017
YE3-315L2-6 132 180 988 95.4 0.86 244.5 232.2 223.8 1276 2 2 6.8 1121
YE3-355M1-6 160 200 990 95.6 0.86 295.7 280.9 270.7 1543 1.8 2 6.8 1715
YE3-355M2-6 200 270 990 95.8 0.87 364.6 346.4 333.8 1929 1.8 2 6.8 1846
YE3-355L-6 250 340 990 95.8 0.87 455.7 433 417.3 2412 1.8 2 6.8 2085

Model Rated Power Rated Speed Efficiency(%) Power Factor Rated Current (A) Rated Torque(NM) Blocking torque/rated torque
Tsn/Tn
Maximum torque/rated torque
Tmax/Tn
Blocking Current/Rated Current
is/in
Weight(kg)
kW HP 380V 400V 415V
YE3-801-8 0.18 0.25 650 51 0.61 0.9 0.8 0.8 2.64 1.8 1.9 3.3 14.5
YE3-802-8 0.25 0.37 650 54 0.61 1.2 1.1 1.1 3.67 1.8 1.9 3.3 16.7
YE3-90S-8 0.37 0.5 675 62 0.61 1.5 1.4 1.4 5.23 1.8 1.9 4 28.2
YE3-90L-8 0.55 0.75 675 63 0.61 2.2 2.1 2 7.78 1.8 2 4 29.7
YE3-100L1-8 0.75 1 685 68.7 0.67 2.5 2.4 2.3 10.5 1.8 2 4 40
YE3-100L2-8 1.1 1.5 685 70.7 0.67 3.5 3.4 3.2 15.3 1.8 2 5 41.4
YE3-112M-8 1.5 2 695 72.8 0.71 4.4 4.2 4 20.6 1.8 2 5 57.5
YE3-132S-8 2.2 3 710 77.9 0.71 6 5.7 5.5 29.6 1.8 2 6 74.8
YE3-132M-8 3 4 710 78.9 0.73 7.9 7.5 7.2 40.4 1.8 2 6 89.1
YE3-160M1-8 4 5.5 725 79.9 0.73 10.4 9.9 9.5 52.7 1.9 2 6 101
YE3-160M2-8 5.5 7.5 725 82 0.74 13.8 13.1 12.6 72.4 1.9 2 6 126.5
YE3-160L-8 7.5 10 725 84 0.75 18.1 17.2 16.6 98.8 1.9 2 6 136
YE3-180L-8 11 15 735 86.4 0.75 25.8 24.5 23.6 142.9 2 2 6.5 198
YE3-200L-8 15 20 730 86.9 0.76 34.5 32.8 31.6 196.2 2 2 6.6 234
YE3-225S-8 18.5 25 730 89.1 0.76 41.5 39.4 38 242 1.9 2 6.6 284
YE3-225M-8 22 30 730 89.6 0.78 47.8 45.4 43.8 287.8 1.9 2 6.6 325
YE3-250M-8 30 40 735 90.4 0.79 63.8 60.6 58.4 389.8 1.9 2 6.5 425
YE3-280S-8 37 50 735 90.9 0.79 78.3 74.4 71.7 480.7 1.9 2 6.6 518
YE3-280M-8 45 60 735 91.4 0.79 94.7 90 86.7 584.7 1.9 2 6.6 582
YE3-315S-8 55 75 735 92.3 0.8 113.2 107.5 103.6 714.6 1.8 2 6.6 852
YE3-315M-8 75 100 735 93.2 0.8 152.8 145.2 139.9 974.5 1.8 2 6.2 952
YE3-315L1-8 90 125 735 93.5 0.8 182.8 173.7 167.4 1169 1.8 2 6.4 1040
YE3-315L2-8 110 150 735 93.5 0.82 218 207.1 199.6 1429 1.8 2 6.4 1056
YE3-355M1-8 132 180 740 93.8 0.82 260.8 247.7 238.8 1704 1.8 2 6.4 1784
YE3-355M2-8 160 200 740 94 0.82 315.4 299.6 288.8 2065 1.8 2 6.4 1941
YE3-355L-8 200 270 740 94.2 0.83 388.7 369.2 355.9 2581 1.8 2 6.4 2026
Victory 20 Years Quality Assurance

A Production Motor Expert At Your Side

Victory Machinery Technology Co., LTD(Changzhou YongZhuan Motor Co., LTD) is a comprehensive motor design and manufacturing enterprise with a modern production scale. It is located in Changzhou, Jiangsu, China.

We have more than 200 employees, including more than 30 professional and technical personnel, cover an area of more than 20,000 square meters, registered capital of 80 million yuan, and annual production of 3000,000 motors. We have a strong technical force, the rotor production line will implement the use of an intelligent robot production line, stator machining will be used for automatic production line and intelligent detection, and the whole machine assembly has implemented semi-automatic production, and intelligent detection, intelligent motor performance testing equipment has more than 20 sets. IE2 IE3 IE4 Premium Efficiency Three-phase Asynchronous Motor Manufacturers and Factory in China.

Our main products are special motors for reducers, YS series sub-horsepower motors, YE3, and YE4 high-efficiency energy-saving motors, YEJ brake motors, YVP variable frequency motors, YBX3 explosion-proof motors, YFB3 dust explosion-proof motor, ultra-high efficiency asynchronous starting permanent magnet synchronous motor series, ultra-high efficiency variable frequency drive permanent magnet synchronous motor, aluminum shell series motor and various special technologies The operation requires a motor. Products are widely used in metallurgy, machinery, coal, petroleum, chemical, electric power, water conservancy, environmental protection, and other industries.

Certifications

We provide professional OEM and ODM service to meet your needs.

Product Knowledge

What design features differentiate IE2, IE3, and IE4 motors from each other?

The efficiency classes IE2, IE3, and IE4 for electric motors are defined by the International Electrotechnical Commission (IEC) standards, with each class representing a specific level of energy efficiency. The differences in design features between IE2, IE3, and IE4 motors primarily focus on improving efficiency and minimizing energy losses. Here are some design features that differentiate these efficiency classes:

IE2 Motors:
Standard Efficiency:

IE2 motors represent the baseline efficiency standard. They offer a standard level of energy efficiency without additional features to enhance performance.
Basic Construction:

IE2 Premium Efficiency Three-Phase Asynchronous Motor typically have a straightforward design without advanced features aimed at optimizing efficiency. They meet the minimum requirements set by the efficiency standard.
Copper and Iron Losses:

While designed to meet basic efficiency criteria, IE2 motors may have higher copper and iron losses compared to higher efficiency classes.
IE3 Motors:
High-Efficiency Design:

IE3 motors are designed with features that significantly improve energy efficiency compared to IE2 motors. They have lower losses and better overall performance.
Premium Materials:

IE3 Premium Efficiency Three-Phase Asynchronous Motor often use premium materials, such as high-quality magnetic steel and copper windings with reduced resistance. These materials contribute to lower energy losses.
Improved Lamination:

The lamination of the motor's core is often optimized in IE3 motors to reduce core losses. This involves using high-grade magnetic materials and precision manufacturing processes.
Enhanced Ventilation:

IE3 motors may incorporate improved ventilation systems to better dissipate heat generated during operation, contributing to increased efficiency and reliability.
Optimized Rotor and Stator Geometry:

The geometry of the rotor and stator is optimized in IE3 motors to reduce magnetic losses and enhance overall motor efficiency.
IE4 Motors:
Super Premium Efficiency:

IE4 motors represent the highest efficiency class among the three. They are designed to provide superior energy efficiency, resulting in significantly reduced energy consumption.
Advanced Magnetic Materials:

IE4 motors often utilize advanced magnetic materials, including rare-earth magnets, to achieve higher magnetic flux density and further reduce losses.
Precision Manufacturing:

IE4 Premium Efficiency Three-Phase Asynchronous Motor may undergo precision manufacturing processes to ensure tight tolerances and minimize mechanical losses. This includes precision balancing of rotor components.
Integrated Variable Frequency Drives (VFDs):

Some IE4 motors are designed to work seamlessly with Variable Frequency Drives (VFDs). This feature allows for optimized speed control and efficiency in variable load conditions.
Enhanced Cooling Systems:

IE4 motors may incorporate advanced cooling systems, such as liquid cooling or improved fan designs, to efficiently manage temperature and reduce losses.
Smart Motor Features:

In the context of Industry 4.0 and smart manufacturing, some IE4 motors may have built-in sensors and communication capabilities for condition monitoring, predictive maintenance, and remote control.
Reduced Friction and Windage Losses:

IE4 motors are designed to minimize friction and windage losses through features such as low-friction bearings and optimized fan designs.

Are there specific materials used in the construction of IE2, IE3, and IE4 motors that contribute to their efficiency?

The materials used in the construction of IE2, IE3, and IE4 motors play a crucial role in determining their efficiency levels. Higher efficiency classes, such as IE3 and IE4, often involve the use of premium materials that contribute to reduced energy losses and improved overall performance. Here are some key materials commonly used in the construction of these motors:

IE2 Motors:
Standard Materials:
IE2 motors typically use conventional materials that meet the basic requirements for motor construction.
Magnetic cores are made from standard laminations of electrical steel.
Copper or aluminum windings are used in the stator and rotor.
IE3 Motors:
Premium Magnetic Materials:

IE3 motors often incorporate premium magnetic materials with improved magnetic properties.
The laminations of the magnetic core may be made from high-grade electrical steel, reducing core losses.
Copper Windings:

Copper windings in the stator and rotor are standard but may be optimized for lower resistance.
Copper is preferred over aluminum for its superior electrical conductivity.
IE4 Motors:
Advanced Magnetic Materials:

IE4 motors take advantage of advanced magnetic materials to further enhance efficiency.
Rare-earth magnets, such as neodymium or samarium-cobalt, may be used in the rotor to achieve higher magnetic flux density.
Premium Electrical Steel:

The laminations of the magnetic core in IE4 motors may use premium-grade electrical steel with enhanced magnetic properties.
Grain-oriented electrical steel is sometimes employed to reduce core losses.
Copper or High-Performance Conductors:

Copper windings in the stator and rotor are standard, but high-performance conductors with improved conductivity and thermal characteristics may be utilized.
Special Insulation Materials:

IE4 motors may use advanced insulation materials to withstand higher temperatures and maintain electrical integrity.
Insulation systems may be designed for improved thermal conductivity and resistance to electrical stress.
Common Considerations:
High Thermal Conductivity Materials:

Motors of all efficiency classes may benefit from the use of materials with high thermal conductivity to enhance heat dissipation.
Aluminum or copper may be used in motor housings and fins to facilitate efficient cooling.
Precision Manufacturing:

All classes of motors, including IE2, IE3, and IE4, may undergo precision manufacturing processes to ensure tight tolerances and optimal performance.
Bearing Materials:

Bearings in the motor may be made from materials with low friction and wear characteristics to minimize mechanical losses.
Ceramic bearings may be employed for their durability and reduced friction.
Fan Materials:

Fan blades, if present, may be made from materials designed for efficient air circulation and reduced windage losses.