Home » Products » Explosion proof motor » YB3 Series Flameproof Three-phase Induction Motor

YB3 Series Flameproof Three-phase Induction Motor

  • Introduction
  • Ambient Conditions
  • Main Technical Data
  • Dimensions

The YB3 series of explosion-proof three-phase induction motors are flame-proof motors that meet advanced international standards. These explosion-proof motors feature high efficiency, high locked-rotor torque, low noise and vibration, and reliable operation. The motor output and mounting comply with IEC standards and GB3836.2 standards for electrical apparatus in explosive situations. the flame-proof feature makes these induction motors ideal for coal mines where methane and coal dust may be present or in factory spaces where flammable gases may be present.

Features:
1. IP55 protection rating.
2. Vertical and horizontal cooling ribs on frame.
3. Ball bearings, small diameter fans, and slot-skewing slopes for low vibration.
4. F class insulation. Above sea level and with standard ambient temperatures, the temperature rise limit of the stator windings is 80K (resistance method). For a frame size of 315L2 and for 4-pole motors with a frame size of 355, the temperature rise limit is 105K.
5. Cable or steel conduit entry. The terminal box has three terminals (for single voltage) or six terminals (for double voltages) and is located on the top of the motor. Armoured cable can also be used.

Ambient Conditions
Ambient temperature: -15℃~35℃ (underground coal mine) or -15℃~40℃ (factory space)
Altitude above sea level: up to 1000m
Note: When ambient air temperature and altitude are different from above, refer to GB755.
In the wettest month, the monthly-average maximum relative humidity is 90%, and the minimum temperature should not exceed 25℃ (within a factory space). In an underground coal mine, the highest relative humidity should not exceed 95%.
If the underground coal mine (non-excavating conditions) or a factory have easy-ignition and explosive gases or steam, the temperature class should be T1~T4.
Rated frequency: 50Hz.
Rated voltage: 380V, 660V and 380/660V.
Note: If you have special requirements for frequency, voltage, ambient air temperature and altitude, etc. please specify them when ordering.

Technical Data
Type Power kW Rotation speed r/min Current A Efficiency η % Power factor cos φ Locked-rotor torque Rated torque Tst Tn Locked-rotor current Rated current Ist In Maximum torque Rated torque Tax Tn Noise dB(A) Weight kg
No-load
380V 660V
Synchronous speed 3000r/min ( 2poles )
YB3-63M1-2 0.18 2720 0.52 - 65.0 0.80 2.3 5.5 2.2 61 15
YB3-63M2-2 0.25 2720 0.69 - 68.0 0.81 16
YB3-71M1-2 0.37 2760 0.99 - 69.0 0.81 6.1 64 18
YB3-71M2-2 0.55 2760 1.38 - 74.0 0.82 19
YB3-80M1-2 0.75 2880 1.77 - 77.5 0.83 6.8 2.3 67 25
YB3-80M2-2 1.1 2880 2.53 - 82.8 0.83 7.3 26
YB3-90S-2 1.5 2900 3.22 - 84.1 0.84 7.6 72 30
YB3-90L-2 2.2 2890 4.58 - 85.6 0.85 7.8 34
YB3-100L-2 3.0 2890 6.04 - 86.7 0.87 8.1 76 46
YB3-112M-2 4.0 2910 7.9 4.6 87.6 0.88 8.3 77 57
YB3-132S1-2 5.5 2920 10.7 6.2 88.6 0.88 2.2 8 80 80
YB3-132S2-2 7.5 2920 14.3 8.3 89.5 0.89 7.8 83
YB3-160M1-2 11 2942 20.8 12.0 90.5 0.89 7.9 86 112
YB3-160M2-2 15 2942 28.1 16.2 91.3 0.89 8 128
YB3-160L-2 18.5 2942 34.5 19.8 91.8 0.89 8.1 158
YB3-180M-2 22 2960 40.8 23.5 92.2 0.89 8.2 88 200
YB3-200L1-2 30 2950 55.1 31.8 92.9 0.89 7.5 90 258
YB3-200L2-2 37 2950 67.7 39.1 93.3 0.89 7.5 273
YB3-225M-2 45 2965 82.0 47.2 93.7 0.89 7.6 92 339
YB3-250M-2 55 2970 100 58 94.0 0.89 7.6 93 455
YB3-280S-2 75 2970 136 78 94.6 0.89 2 6.9 94 633
YB3-280M-2 90 2970 162 94 95.0 0.89 7 634
YB3-315S-2 110 2975 195 113 95.0 0.90 7.1 2.2 96 1000
YB3-315M-2 132 2975 234 134 95.4 0.90 1200
YB3-315L1-2 160 2975 280 161 95.4 0.91 98 1170
YB3-315L2-2 200 2975 350 202 95.4 1230
YB3-355S1-2 185 2980 323.4 186.9 95.4 1560
YB3-355S2-2 200 2980 345.8 199.9 95.4 1560
YB3-355M1-2 220 2980 380.4 219.9 95.4 100 1765
YB3-355M2-2 250 2980 430.5 248.8 95.8 1765
YB3-355L1-2 280 2980 482.0 278.6 95.8 1900
YB3-355L2-2 315 2980 542.3 313.5 95.8 1900
View Full Table
Type Power kW Rotation speed r/min Current A Efficiency η % Power factor cos φ Locked-rotor torque Rated torque Tst Tn Locked-rotor current Rated current Ist In Maximum torque Rated torque Tax Tn Noise dB(A) Weight kg
No-load
380V 660V
Synchronous speed 1500r/min ( 4poles )
YB3-63M1-4 0.12 1340 0.44 - 57.0 0.72 2.3 4.4 2.2 52 15
YB3-63M2-4 0.18 1340 0.59 - 60.0 0.73 16
YB3-71M1-4 0.25 1350 0.78 - 65.0 0.74 5.2 55 18
YB3-71M2-4 0.37 1350 1.08 - 67.0 0.75 19
YB3-80M1-4 0.55 1435 1.42 - 80.7 0.75 6.3 2.3 58 25
YB3-80M2-4 0.75 1435 1.91 - 82.3 0.75 6.5 26
YB3-90S-4 1.1 1435 2.65 - 83.8 0.75 6.6 61 30
YB3-90L-4 1.5 1440 3.57 - 85.0 0.75 6.9 34
YB3-100L1-4 2.2 1450 4.78 - 86.4 0.81 7.5 64 44
YB3-100L2-4 3 1450 6.36 - 87.4 0.82 7.6 46
YB3-112M-4 4 1455 8.4 4.9 88.3 0.82 7.7 65 62
YB3-132S-4 5.5 1460 11.2 6.5 89.2 0.82 2 7.5 71 80
YB3-132M-4 7.5 1460 15.1 8.7 90.1 0.83 7.4 83
YB3-160M-4 11 1470 21.6 12.5 91.0 0.85 2.2 7.5 75 136
YB3-160L-4 15 1470 28.9 16.7 91.8 0.86 7.5 154
YB3-180M-4 18.5 1475 35.5 20.5 92.2 0.86 7.7 76 202
YB3-180L-4 22 1475 42.0 24.3 92.6 0.86 7.8 220
YB3-200L-4 30 1470 56.9 32.8 93.2 0.86 7.2 79 272
YB3-225S-4 37 1480 69.8 40.2 93.6 0.86 7.3 81 334
YB3-225M-4 45 1480 84.7 48.7 93.9 0.86 7.4 339
YB3-250M-4 55 1480 103 60 94.2 0.86 7.4 83 475
YB3-280S-4 75 1480 137 79 94.7 0.88 6.7 86 635
YB3-280M-4 90 1480 164 95 95.0 0.88 6.9 690
YB3-315S-4 110 1480 199 115 95.4 0.88 2.2 93 1050
YB3-315M-4 132 1480 239 138 95.4 0.88 1200
YB3-315L1-4 160 1480 286 165 95.4 0.89 94 1230
YB3-315L2-4 200 1480 358 206 95.4 0.89 1300
YB3-355S1-4 185 1490 330.7 191.1 95.4 0.89 1560
YB3-355S2-4 200 1490 357.5 206.6 95.4 0.89 1560
YB3-355M1-4 220 1490 388.8 224.8 95.4 0.90 95 1750
YB3-355M2-4 250 1490 440.0 254.3 95.8 0.90 1750
YB3-355L1-4 280 1490 492.8 284.9 95.8 0.90 1950
YB3-355L2-4 315 1490 554.5 320.4 95.8 0.90 1950
View Full Table
Type Power kW Rotation speed r/min Current A Efficiency η % Power factor cos φ Locked-rotor torque Rated torque Tst Tn Locked-rotor current Rated current Ist In Maximum torque Rated torque Tax Tn Noise dB(A) Weight kg
No-load
380V 660V
Synchronous speed 1000r/min ( 6poles )
YB3-71M1-6 0.18 880 0.67 - 56.0 0.66 1.9 4 2.0 52 18
YB3-71M2-6 0.25 880 0.88 - 59.0 0.68 19
YB3-80M1-6 0.37 950 1.31 - 62.0 0.70 4.7 54 25
YB3-80M2-6 0.55 950 1.68 - 75.4 0.72 2.1 27
YB3-90S-6 0.75 950 2.03 - 77.7 0.72 2.1 5.8 57 31
YB3-90L-6 1.1 955 2.86 - 79.9 0.73 5.9 34
YB3-100L-6 1.5 970 3.78 - 81.5 0.74 6 61 43
YB3-112M-6 2.2 955 5.3 - 83.4 0.74 65 63
YB3-132S-6 3 970 7.9 - 84.9 0.74 2.0 6.2 69 80
YB3-132M1-6 4 976 8.4 4.9 86.1 0.74 6.8 86
YB3-132M2-6 5.5 976 12.7 7.4 87.4 0.75 7.1 88
YB3-160M-6 7.5 980 16.5 9.5 89.0 0.78 2.1 6.7 73 129
YB3-160L-6 11 980 23.5 13.6 90.0 0.79 6.9 153
YB3-180L-6 15 980 31.0 17.9 91.0 0.81 2.0 7.2 205
YB3-200L1-6 18.5 980 37.9 21.9 91.5 0.81 2.1 76 250
YB3-200L2-6 22 980 44.3 25.6 92.0 0.82 7.3 273
YB3-225M-6 30 985 60.8 35.0 92.5 0.81 2.0 7.1 337
YB3-250M-6 37 990 72 42 93.0 0.84 2.1 78 477
YB3-280S-6 45 990 85 49 93.5 0.86 7.2 2.0 80 640
YB3-280M-6 55 990 104 60 93.8 0.86 691
YB3-315S-6 75 985 142 81.9 94.2 0.85 2.0 6.7 85 980
YB3-315M-6 90 985 172 99.2 94.5 0.84 1100
YB3-315L1-6 110 985 207 119 95.0 0.85 1150
YB3-315L2-6 132 985 245 141 95.0 0.86 1260
YB3-355S-6 160 990 296.7 171.5 95.0 0.87 92 1560
YB3-355M1-6 185 990 343.0 198.3 95.0 0.87 1790
YB3-355M2-6 200 990 370.9 214.4 95.0 0.87 1790
YB3-355L1-6 220 990 408.0 235.0 95.0 0.87 2030
YB3-355L2-6 250 990 463.6 267.9 95.0 0.87 2030
View Full Table
Type Power kW Rotation speed r/min Current A Efficiency η % Power factor cos φ Locked-rotor torque Rated torque Tst Tn Locked-rotor current Rated current Ist In Maximum torque Rated torque Tax Tn Noise dB(A) Weight kg
No-load
380V 660V
Synchronous speed 750r/min ( 8poles )
YB3-80M1-8 0.18 650 0.86 - 51.0 0.61 1.8 3.3 1.9 52 26
YB3-80M2-8 0.25 650 1.13 - 54.0 0.61 28
YB3-90S-8 0.37 670 1.46 - 62.0 0.61 4.0 56 32
YB3-90L-8 0.55 670 1.85 - 63.0 0.61 2.0 35
YB3-100L1-8 0.75 690 2.42 - 70.0 0.67 59 46
YB3-100L2-8 1.1 690 3.36 - 72.0 0.69 5.0 48
YB3-112M-8 1.5 690 4.00 - 74.0 0.70 61 64
YB3-132S-8 2.2 710 5.78 - 79.0 0.71 6.0 64 81
YB3-132M-8 3 710 7.69 - 80.0 0.73 88
YB3-160M1-8 4 720 10.5 6.0 81.0 0.73 1.9 68 111
YB3-160M2-8 5.5 720 13.6 7.9 83.0 0.74 129
YB3-160L-8 7.5 720 17.8 10.3 85.5 0.75 158
YB3-180L-8 11 720 24.5 14.7 87.5 0.75 2.0 6.5 70 205
YB3-200L-8 15 730 34.1 19.6 88.0 0.76 6.6 73 263
YB3-225S-8 18.5 730 41.1 23.7 90.0 0.76 1.9 337
YB3-225M-8 22 730 47.4 27.3 90.5 0.78 337
YB3-250M-8 30 740 64 37 91.0 0.79 6.5 75 478
YB3-280S-8 37 740 78 45 91.5 0.79 6.6 76 605
YB3-280M-8 45 740 95 55 92.0 0.79 680
YB3-315S-8 55 740 111 64 92.8 0.81 1.8 82 960
YB3-315M-8 75 740 150 86.6 93.5 0.81 6.2 1120
YB3-315L1-8 90 740 178 102 93.8 0.82 6.4 1190
YB3-315L2-8 110 740 217 125 94.0 0.82 1270
YB3-355S-8 132 740 259.6 150.1 93.7 0.82 90 1560
YB3-355M-8 160 740 314.7 181.9 94.2 0.82 1820
YB3-355L1-8 185 740 363.9 210.3 94.2 0.82 2030
YB3-355L2-8 200 740 387.0 223.7 94.5 0.83 2030
View Full Table
Type Power kW Rotation speed r/min Current A Efficiency η % Power factor cos φ Locked-rotor torque Rated torque Tst Tn Locked-rotor current Rated current Ist In Maximum torque Rated torque Tax Tn Noise dB(A) Weight kg
No-load
380V 660V
Synchronous speed 600r/min ( 10poles )
YB3-315S-10 45 592 99.6 57.4 91.5 0.75 1.5 6.2 2 82 930
YB3-315M-10 55 592 121 69.7 92.0 0.75 950
YB3-315L1-10 75 592 162 93.3 92.5 0.76 5.8 1150
YB3-315L2-10 90 592 191 110 93.0 0.77 5.9 1260
YB3-355S-10 90 590 190.3 110 93.0 0.77 1560
YB3-355M1-10 110 590 229.6 132.7 93.2 0.78 1.3 6.0 90 1670
YB3-355M2-10 132 590 274.7 158.8 93.5 0.78 1820
YB3-355L1-10 160 590 332.9 192.4 93.5 0.78 2030
YB3-355L2-10 185 590 385.0 222.5 93.5 0.78 2030
View Full Table
Conventional mounting and suitable frame sizes are given in the following table(with "√")
Frame Basic type Derived type
B3 B5 B35 V1 V3 V5 V6 B6 B7 B8 V15 V36 B14 B34 V18
63 ~ 71 - - - - - -
80 ~ 112
132 ~ 160 - - -
180 ~ 280 - - - - - - - - - - -
315 ~ 355 - - - - - - - - - - - -
View Full Table
Note: "√" means this type can be manufactured.
Mounting and overall dimensions
Mounting arrangement B3 features a frame with feet and end-shield without flange.
Frame size Mounting and overall dimensions
A B C D E F G H K AA BB HA AB AC AD HD L
63 100 80 40 11 23 4 8.5 63 7 25 110 8 125 150 170 230 270
71 112 90 45 14 30 5 11 71 28 114 140 155 250 300
80 125 100 50 19 40 6 15.5 80 10 34 130 10 165 165 180 310 330
90S 140 56 24 50 8 20 90 36 130 14 180 180 330 370
90L 125 36 155 395
100L 160 140 63 28 60 24 100 12 43 176 14 200 205 355 450
112M 190 70 112 50 180 16 245 230 200 370 500
132S 216 89 38 80 10 33 132 60 190 18 280 270 430 550
132M 178 60 230 600
160M 254 210 108 42 110 12 37 160 15 70 258 25 330 325 220 520 720
160L 254 70 302 750
180M 279 241 121 48 14 42.5 180 70 311 22 355 360 550 780
180L 279 70 349 800
200L 318 305 133 55 16 49 200 19 70 366 25 390 400 260 645 840
225S 356 286 149 55/60 110/140 16/18 49/53 225 75 355 28 435 450 700 920
225M 311 380 950
250M 406 349 168 60/65 140 18 53/58 250 24 80 420 30 490 500 300 730 965
280S 457 368 190 65/75 18/20 58/67.5 280 85 438 35 545 560 810 1020
280M 419 489 1075
315S 508 406 216 65/80 140/170 18/22 58/71 315 28 120 550 45 640 630 400 980 1190
315M 457 680 1310
315L 508
355S 610 500 254 75/95 20/25 67.5/86 355 28 116 636 52 740 750 500 1100 1415/1485
355M 560 696 1495/1565
355L 630 766 1645/1675
Note: The numerators of fractions in the table give the data for 2-pole motors and the denominators of fractions give the data for motors with more than 2 poles.
View Full Table
Mounting arrangement B35 features a frame with feet and end-shield with flange (with through holes).
Frame size Mounting and overall dimensions
A B C D E F G H K M N P S T n AA BB HA AB AC AD HD L
80 125 100 50 19 40 6 15.5 80 10 165 130 200 12 3.5 4 34 130 10 165 165 180 310 330
90S 140 56 24 50 8 20 90 36 130 14 180 180 330 370
90L 125 36 155 395
100L 160 140 63 28 60 24 100 12 215 180 250 15 4 43 176 14 200 205 355 450
112M 190 70 112 50 180 16 245 230 200 370 500
132S 216 89 38 80 10 33 132 265 230 300 60 190 18 280 270 430 550
132M 178 60 230 600
160M 254 210 108 42 110 12 37 160 15 300 250 350 19 5 70 258 25 330 325 220 520 720
160L 254 70 302 750
180M 279 241 121 48 14 42.5 180 70 311 22 355 360 550 780
180L 279 70 349 800
200L 318 305 133 55 16 49 200 19 350 300 400 70 366 25 390 400 260 660 840
225S 356 286 149 55/60 110/140 16/18 49/53 225 400 350 450 8 75 355 28 435 450 690 920
225M 311 380 950
250M 406 349 168 60/65 140 18 53/58 250 24 500 450 550 80 420 30 490 500 300 730 965
280S 457 368 190 65/75 18/20 58/67.5 280 85 438 35 545 560 810 1020
280M 419 489 1075
315S 508 406 216 65/80 140/170 18/22 58/71 315 28 600 550 660 24 6 120 550 45 640 630 400 980 1190
315M 457 680 1310
315L 508
355S 610 500 254 75/95 20/25 67.5/86 355 740 680 800 116 636 52 740 750 500 1100 1415/1485
355M 560 696 1495/1565
355L 630 766 1645/1675
Note: The numerators of fractions in the table give the data for 2-pole motors and the denominators of fractions give the data for motors with more than 2 poles.
View Full Table
Mounting arrangements B5 or V1 features frame without feet and end-shield with flange (with through holes).
Frame size Mounting and overall dimensions
D E F G M N P S T n AC AD L
B5 V1
63 11 23 4 8.5 115 95 140 10 3 4 130 180 270 310
71 14 30 5 11 130 110 160 145 300 340
80 19 40 6 15.5 165 130 200 12 3.5 4 165 330 375
90S 24 50 8 20 180 370 415
90L 395 445
100L 28 60 24 215 180 250 15 4 205 450 500
112M 230 200 500 565
132S 38 80 10 33 265 230 300 270 550 640
132M 600 690
160M 42 110 12 37 300 250 350 19 5 325 220 720 790
160L 750 820
180M 48 14 42.5 360 780 850
180L 800 870
200L 55 16 49 350 300 400 400 260 840 920
225S 55/60 110/140 16/18 49/53 400 350 450 8 450 920 970
225M 950 1000
250M 60/65 140 18 53/58 500 450 550 500 300 965 1070
280S 65/75 18/20 58/67.5 560 1020 1090
280M 1075 1180
315S 65/80 140/170 18/22 58/71 600 550 660 24 6 630 400 - 1370
315M 1540
315L
355S 75/95 20/25 67.5/86 740 680 800 750 500 1550/1620
355M 1630/1700
355L 1780/1810
Note: The numerators of fractions in the table give the data for 2-pole motors and the denominators of fractions give the data for motors with more than 2 poles.
View Full Table
Inquiry Form