YB3 Series Explosion Proof Three Phase Induction Motor

YB3 Series Explosion Proof Three Phase Induction Motor

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YB3 Series Explosion Proof Motor Technical Data:

Housing material:  Cast Iron
Rated Power:  0.12KW-315KW
Rated voltage:  380/400/415/440/460/660V/1140V.(at buyer’s option)
Frame size:  H63 to 355mm;
Pole:  2/4/6/8
Mounting arrangement:  IMB3, IMB35, IMB5, IMV1, IMB14, IMB34 or other;
Terminal Box:  Top/Side Mounted
Explosion-proof Marks:  Exd I Mb, Exd II AT4 Gb and Exd II BT4 Gb
Protection Class: IP44/IP54/IP55
Insulation Class:  F
Frequency:  50/60HZ
Cooling method:  IC411 (SELF-FAN cooling);
Duty/Rating:  S1 (Continuous);
Speed: 590-2980r/min
Ambient temperature:  -15º C~40º C
Model of connection: Y-Connection for 3 KW motor or less while DeltaConnection for 4 KW motor or more

YB3 Series Explosion Proof Motor Technical Data:

1.YB3 Series Explosion Proof Three Phase Asynchronous Motor (2 Poles)

Type Output kW Rated Speed r/min Current A Efficiency η% Power factor cosφ Tst Tn Ist In Tax Tn Noise dB(A)
No-load		 Weight kg
380V 660V
Synchronous speed 3000r/min (2 poles)
YB3-63M1-2 0. 18KW 2720 0.52 — 65.0 0.80 2.3 5. 5 2.2 61 15
YB3-63M2-2 0.25KW 2720 0. 69 — 68.0 0.81 16
YB3-71M1-2 0.37KW 2760 0.99 — 69.0 0.81 6. 1 64 18
YB3-71M2-2 0.55KW 2760 1.38 — 74.0 0.82 19
YB3-80M1-2 0.75KW 2880 1.77 — 77.5 0.83 6.8 2.3 67 25
YB3-80M2-2 1.1KW 2880 2. 53 — 82.8 0.83 7.3 26
YB3-90S-2 1.5KW 2900 3.22 — 84.1 0.84 7.6 72 30
YB3-90L-2 2.2KW 2890 4.58 — 85.6 0.85 7.8 34
YB3-100L-2 3.0KW 2890 6. 04 — 86.7 0.87 8.1 76 46
YB3-112M-2 4.0KW 2910 7.9 4.6 87.6 0.88 8.3 77 57
YB3-132S1-2 5.5KW 2920 10.7 6.2 88.6 0.88 2.2 8 80 80
YB3-132S2-2 7.5KW 2920 14.3 8.3 89.5 0.89 7.8 83
YB3-160M1-2 11KW 2942 20.8 12.0 90.5 0.89 7.9 86 112
YB3-160M2-2 15KW 2942 28.1 16.2 91.3 0.89 8 128
YB3-160L-2 18.5KW 2942 34.5 19.8 91.8 0.89 8. 1 158
YB3-180M-2 22KW 2960 40.8 23.5 92.2 0.89 8.2 88 200
YB3-200L1-2 30KW 2950 55.1 31.8 92.9 0.89 7.5 90 258
YB3-200L2-2 37KW 2950 67.7 39.1 93.3 0.89 7.5 273
YB3-225M-2 45KW 2965 82.0 47.2 93.7 0.89 7.6 92 339
YB3-250M-2 55KW 2970 100 58 94.0 0.89 7.6 93 455
YB3-280S-2 75KW 2970 136 78 94.6 0.89 2 6.9 94 633
YB3-280M-2 90KW 2970 162 94 95.0 0.89 7 634
YB3-315S-2 110KW 2975 195 113 95.0 0.90 7.1 2.2 96 1000
YB3-315M-2 132KW 2975 234 134 95.4 0.90 1200
YB3-315L1-2 160KW 2975 280 161 95.4 0.91 98 1170
YB3-315L2-2 200KW 2975 350 202 95.4 1230
YB3-355S1-2 185KW 2980 323.4 186.9 95.4 1560
YB3-355S2-2 200KW 2980 345.8 199.9 95.4 1560
YB3-355M1-2 220KW 2980 380.4 219.9 95.4 100 1765
YB3-355M2-2 250KW 2980 430.5 248.8 95.8 1765
YB3-355L1-2 280KW 2980 482.0 278.6 95.8 1900
YB3-355L2-2 315KW 2980 542.3 313.5 95.8 1900

2.YB3 Series Explosion Proof Three Phase Asynchronous Motor (4 Poles)

Type Output kW Rated Speed r/min Current A Efficiency η% Power factor cosφ Tst Tn Ist In Tax Tn Noise dB(A)
No-load		 Weight kg
380V 660V
Synchronous speed 1500r/min (4 poles)
YB3-63M1-4 0. 12KW 1340 0.44 — 57.0 0.72 2.3 4.4 2.2 52 15
YB3-63M2-4 0. 18KW 1340 0.59 — 60.0 0.73 16
YB3-71M1-4 0.25KW 1350 0.78 — 65.0 0.74 5.2 55 18
YB3-71M2-4 0.37KW 1350 1.08 — 67.0 0.75 19
YB3-80M1-4 0.55KW 1435 1.42 — 80.7 0.75 6.3 2.3 58 25
YB3-80M2-4 0.75KW 1435 1.91 — 82.3 0.75 6.5 26
YB3-90S-4 1.1KW 1435 2.65 — 83.8 0.75 6.6 61 30
YB3-90L-4 1.5KW 1440 3.57 — 85.0 0.75 6.9 34
YB3-100L1-4 2.2KW 1450 4.78 — 86.4 0.81 7.5 64 44
YB3-100L2-4 3KW 1450 6.36 — 87.4 0.82 7.6 46
YB3-112M-4 4KW 1455 8.4 4.9 88.3 0.82 7.7 65 62
YB3-132S-4 5.5KW 1460 11.2 6.5 89.2 0.82 2 7.5 71 80
YB3-132M-4 7.5KW 1460 15.1 8.7 90. 1 0.83 7.4 83
YB3-160M-4 11KW 1470 21.6 12.5 91.0 0.85 2.2 7.5 75 136
YB3-160L-4 15KW 1470 28.9 16.7 91.8 0.86 7.5 154
YB3-180M-4 18.5KW 1475 35.5 20.5 92.2 0.86 7.7 76 202
YB3-180L-4 22KW 1475 42.0 24.3 92.6 0.86 7.8 220
YB3-200L-4 30KW 1470 56.9 32.8 93.2 0.86 7.2 79 272
YB3-225S-4 37KW 1480 69.8 40.2 93.6 0.86 7.3 81 334
YB3-225M-4 45KW 1480 84.7 48.7 93.9 0.86 7.4 339
YB3-250M-4 55KW 1480 103 60 94.2 0.86 7.4 83 475
YB3-280S-4 75KW 1480 137 79 94.7 0.88 6.7 86 635
YB3-280M-4 90KW 1480 164 95 95.0 0.88 6.9 690
YB3-315S-4 110KW 1480 199 115 95.4 0.88 2.2 93 1050
YB3-315M-4 132KW 1480 239 138 95.4 0.88 1200
YB3-315L1-4 160KW 1480 286 165 95.4 0.89 94 1230
YB3-315L2-4 200KW 1480 358 206 95.4 0.89 1300
YB3-355S1-4 185KW 1490 330.7 191.1 95.4 0.89 1560
YB3-355S2-4 200KW 1490 357.5 206.6 95.4 0.89 1560
YB3-355M1-4 220KW 1490 388.8 224.8 95.4 0.90 95 1750
YB3-355M2-4 250KW 1490 440.0 254.3 95.8 0.90 1750
YB3-355L1-4 280KW 1490 492.8 284.9 95.8 0.90 1950
YB3-355L2-4 315KW 1490 554.5 320.4 95.8 0.90 1950

3.YB3 Series Explosion Proof Three Phase Asynchronous Motor (6 Poles)

Type Output kW Rated Speed r/min Current A Efficiency η% Power factor cosφ Tst Tn Ist In Tax Tn Noise dB(A)
No-load		 Weight kg
380V 660V
Synchronous speed 1000r/min (6 poles)
YB3-71M1-6 0.18KW 880 0.67 — 56.0 0.66 1.9 4 2.0 52 18
YB3-71M2-6 0.25KW 880 0.88 — 59.0 0.68 19
YB3-80M1-6 0.37KW 950 1.31 — 62.0 0.70 4.7 54 25
YB3-80M2-6 0. 55KW 950 1.68 — 75.4 0.72 27
YB3-90S-6 0.75KW 950 2.03 — 77.7 0.72 2.1 5.8 2.1 57 31
YB3-90L-6 1.1KW 955 2.86 — 79.9 0.73 5.9 34
YB3-100L-6 1.5KW 970 3.78 — 81.5 0.74 6 61 43
YB3-112M-6 2.2KW 955 5.3 — 83.4 0.74 65 63
YB3-132S-6 3KW 970 7.9 — 84.9 0.74 2.0 6.2 69 80
YB3-132M1-6 4KW 976 8.4 4.9 86.1 0.74 6.8 86
YB3-132M2-6 5.5KW 976 12.7 7.4 87.4 0.75 7.1 88
YB3-160M-6 7.5KW 980 16.5 9.5 89.0 0.78 2.1 6.7 73 129
YB3-160L-6 11KW 980 23.5 13.6 90.0 0.79 6.9 153
YB3-180L-6 15KW 980 31.0 17.9 91.0 0.81 2.0 7.2 205
YB3-200L1-6 18.5KW 980 37.9 21.9 91.5 0.81 2.1 76 250
YB3-200L2-6 22KW 980 44.3 25.6 92.0 0.82 7.3 273
YB3-225M-6 30KW 985 60.8 35.0 92.5 0.81 2.0 7.1 337
YB3-250M-6 37KW 990 72 42 93.0 0.84 2.1 78 477
YB3-280S-6 45KW 990 85 49 93.5 0.86 7.2 2.0 80 640
YB3-280M-6 55KW 990 104 60 93.8 0.86 691
YB3-315S-6 75KW 985 142 81.9 94.2 0.85 2.0 6.7 85 980
YB3-315M-6 90KW 985 172 99.2 94.5 0.84 1100
YB3-315L1-6 110KW 985 207 119 95.0 0.85 1150
YB3-315L2-6 132KW 985 245 141 95.0 0.86 1260
YB3-355S-6 160KW 990 296.7 171.5 95.0 0.87 92 1560
YB3-355M1-6 185KW 990 343.0 198.3 95.0 0.87 1790
YB3-355M2-6 200KW 990 370.9 214.4 95.0 0.87 1790
YB3-355L1-6 220KW 990 408.0 235.0 95.0 0.87 2030
YB3-355L2-6 250KW 990 463.6 267.9 95.0 0.87 2030

4.YB3 Series Explosion Proof Three Phase Asynchronous Motor (8 Poles)

Type Output kW Rated Speed r/min Current A Efficiency η% Power factor cosφ Tst Tn Ist In Tax Tn Noise dB(A)
No-load		 Weight kg
380V 660V
Synchronous speed 750r/min (8 poles)
YB3-80M1-8 0.18KW 650 0.86 — 51.0 0.61 1.8 3.3 1.9 52 26
YB3-80M2-8 0.25KW 650 1.13 — 54.0 0.61 28
YB3-90S-8 0.37KW 670 1.46 — 62.0 0.61 4.0 56 32
YB3-90L-8 0.55KW 670 1.85 — 63.0 0.61 2.0 35
YB3-100L1-8 0.75KW 690 2.42 — 70.0 0.67 59 46
YB3-100L2-8 1.1KW 690 3.36 — 72.0 0.69 5.0 48
YB3-112M-8 1.5KW 690 4.00 — 74.0 0.70 61 64
YB3-132S-8 2.2KW 710 5.78 — 79.0 0.71 6.0 64 81
YB3-132M-8 3KW 710 7.69 — 80.0 0.73 88
YB3-160M1-8 4KW 720 10.5 6.0 81.0 0.73 1.9 68 111
YB3-160M2-8 5.5KW 720 13.6 7.9 83.0 0.74 129
YB3-160L-8 7.5KW 720 17.8 10.3 85.5 0.75 158
YB3-180L-8 11KW 720 24.5 14.7 87.5 0.75 2.0 6.5 70 205
YB3-200L-8 15KW 730 34.1 19.6 88.0 0.76 6.6 73 263
YB3-225S-8 18.5KW 730 41.1 23.7 90.0 0.76 1.9 337
YB3-225M-8 22KW 730 47.4 27.3 90.5 0.78 337
YB3-250M-8 30KW 740 64 37 91.0 0.79 6.5 75 478
YB3-280S-8 37KW 740 78 45 91.5 0.79 6.6 76 605
YB3-280M-8 45KW 740 95 55 92.0 0.79 680
YB3-315S-8 55KW 740 111 64 92.8 0.81 1.8 82 960
YB3-315M-8 75KW 740 150 86.6 93.5 0.81 6.2 1120
YB3-315L1-8 90KW 740 178 102 93.8 0.82 6.4 1190
YB3-315L2-8 110KW 740 217 125 94.0 0.82 1270
YB3-355S-8 132KW 740 259.6 150.1 93.7 0.82 90 1560
YB3-355M-8 160KW 740 314.7 181.9 94.2 0.82 1820
YB3-355L1-8 185KW 740 363.9 210.3 94.2 0.82 2030
YB3-355L2-8 200KW 740 387.0 223.7 94.5 0.83 2030

5.YB3 Series Explosion Proof Three Phase Asynchronous Motor (10 Poles)

Type Output kW Rated Speed r/min Current A Efficiency η% Power factor cosφ Tst Tn Ist In Tax Tn Noise dB(A) No-load Weight kg
380V 660V
Synchronous speed 600r/min (10poles)
YB3-315S-10 45KW 592 99.6 57.4 91.5 0.75 1.5 6.2 2 82 930
YB3-315M-10 55KW 592 121 69.7 92.0 0.75 950
YB3-315L1-10 75KW 592 162 93.3 92.5 0.76 5.8 1150
YB3-315L2-10 90KW 592 191 110 93.0 0.77 5.9 1260
YB3-355S-10 90KW 590 190.3 110 93.0 0.77 1560
YB3-355M1-10 110KW 590 229.6 132.7 93.2 0.78 1.3 6.0 90 1670
YB3-355M2-10 132KW 590 274.7 158.8 93.5 0.78 1820
YB3-355L1-10 160KW 590 332.9 192.4 93.5 0.78 2030
YB3-355L2-10 185KW 590 385.0 222.5 93.5 0.78 2030

YB3 Series Explosion Proof Motor Mounting Arrangements:

The common installation structure type and the applicable frame size is shown in the table below:

Frame Basic Installation Structure Derived Installation 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 √ － √ √ － － － － － － － － － － －

Note: “√” indicates the type of structure that can be manufactured

YB3 Series Explosion Proof Motor Installation Dimension:

1. YB3 Series Explosion Proof Three Phase Asynchronous Motor B3 Installation Method

YB3-Series-Explosion-Proof-Three-Phase-Asynchronous-Motor-B3-Installation-Method

Frame Pole Installation Dimension Overall Dimensions
A B C D E F G H K AB AC AD HD L
63 2.4 100 80 40 11 23 4 8.5 63 7 130 150 165 230 270
71 2.4.6 112 90 45 14 30 5 11 71 7 140 155 165 240 300
80 2.4.6.8 125 100 50 19 40 6 15.5 80 10 165 165 180 320 330
90S 2.4.6.8 140 100 56 24 50 8 20 90 10 180 165 180 350 360
90L 2.4.6.8 140 125 56 24 50 8 20 90 10 180 180 180 350 385
100L 2.4.6.8 160 140 63 28 60 8 24 100 12 200 180 180 400 440
112M 2.4.6.8 190 140 70 28 60 8 24 112 12 200 205 200 420 460
132S 2.4.6.8 216 140 89 38 80 10 33 132 12 245 230 200 450 510
132M 2.4.6.8 216 170 89 38 80 10 33 132 12 280 270 200 450 550
160M 2.4.6.8 254 210 108 42 110 12 37 160 15 280 270 220 520 655
160L 2.4.6.8 254 254 108 42 110 12 37 160 15 330 325 220 520 695
180M 2.4.6.8 279 241 121 48 110 14 42.5 180 15 330 325 220 550 730
180L 2.4.6.8 279 279 121 48 110 14 42.5 180 15 335 360 220 550 750
200L 2.4.6.8 318 305 133 55 110 16 49 200 19 335 400 250 645 805
225M 2.4.6.8 356 311 149 55 110 16 49 225 19 390 450 250 690 865
225S 4.8 356 286 149 60 140 18 53 225 19 435 450 250 690 840
250M 2 406 349 168 55 110 16 49 250 24 490 500 300 720 890
4.8.6 60 140 18 53 1010
280S 2 457 368 190 60 140 18 43 280 24 545 560 300
4.8.6 65 140 18 58
280M 2 457 419 190 85 140 18 58 280 24 545 560 300 790
4.8.6 75 140 20 67.5
315S 2 508 406 216 65 140 18 58 315 28 640 630 400 790
4.8.6.10 75 140 20 67.5
315M 2 508 457 216 65 140 18 58 315 28 640 630 400 1020 1250
4.8.6.10 80 170 22 71 1280
315L 2 508 508 216 65 140 18 58 315 28 640 630 400 1020 1220
4.8.6.10 80 170 22 71 1320
355S 2 610 560 254 65 140 18 58 355 28 740 750 500 1020 1510
4.8.6.10 80 170 22 71 1350
355M 2 610 560 254 65 140 18 58 355 28 740 750 500 1080 1440
4.8.6.10 80 170 22 71 1690
355L 2 610 630 254 75 140 20 67.5 355 28 740 750 500 1080
4.8.6.10 95 170 25 86

2. YB3 Series Explosion Proof Three Phase Asynchronous Motor B5 Installation Method

YB3-Series-Explosion-Proof-Three-Phase-Asynchronous-Motor-B5-Installation-Method

Frame Poles Installation Dimensions Overall Dimensions
D E F G M N P R S T Flange
hole		 AC AD L
Horizontal Vertical
63 2.4 11 23 4 8.5 115 95 140 0 10 3.0 4 130 170 270 –
71 2.4.6 14 30 5 11 130 110 160 0 10 3.0 4 145 170 300 –
80 2.4.6.8 19 40 6 15.5 165 130 200 0 12 3.5 4 165 240 330 –
90S 2.4.6.8 24 50 8 20 165 130 200 0 12 3.5 4 180 260 360 –
90L 2.4.6.8 24 50 8 20 165 130 200 0 12 3.5 4 180 260 385 –
100L 2.4.6.8 28 60 8 24 165 130 250 0 15 4 4 205 300 440 –
112M 2.4.6.8 28 60 8 24 215 180 250 0 15 4 4 230 310 460 –
132S 2.4.6.8 38 80 10 33 215 180 300 0 15 4 4 270 320 510 –
160M 2.4.6.8 38 80 10 33 265 230 300 0 19 4 4 270 320 550 –
160L 2.4.6.8 42 110 12 37 265 230 350 0 19 5 4 325 360 655 –
180M 2.4.6.8 42 110 12 37 300 250 350 0 19 5 4 325 360 695 –
180L 2.4.6.8 48 110 14 42.5 300 250 350 0 19 5 4 360 370 730 –
200L
225M
225S		 2.4.6.8 55 110 16 42.5 350
400
400		 300
350
350		 400
450
450		 0
0
0		 19
19
19		 5
5
5		 4
8
8		 400
450
450		 445
465
465		 805 875
4.8 60 140 18 53 865 935
250M 2 55 110 16 49 500 450 550 0 19 5 8 500 500 945 1035
4.6.8 60 140 18 53 860 930
280S 2 60 140 18 58 500 450 550 0 19 5 8 560 550 890 960
4.6.8 65 140 18 58
280M 2 65 140 18 58 500 450 550 0 19 5 8 560 750 1010 1100
4.6.8 75 140 20 67.5
315S 2 65 140 18 58 600 550 660 0 24 6 8 630 750 1060 1150
4.6.8 75 140 20 67.5
315M 2 65 140 18 58 600 550 660 0 24 6 8 630 750 – 1340
4.6.8.10 80 170 22 71 1370
315L 2 65 140 18 58 600 550 660 0 24 6 8 630 750 – 1420
4.6.8.10 80 170 22 71 1450
355S 2 65 140 18 58 740 680 800 0 24 6 88 630 725 – 1510
4.6.8.10 80 170 22 71 1540
355M 2 75 140 20 67.5 740 680 800 0 24 6 8 630 725 – 1600
4.6.8.10 95 170 25 86
355L 2 75 140 20 67.5 740 680 800 0 24 6 8 630 725 – 1780

3. YB3 Series Explosion Proof Three Phase Asynchronous Motor B35 Installation Method

YB3-Series-Explosion-Proof-Three-Phase-Asynchronous-Motor-B35-Installation-Method

Frame Pole Installation Dimensions Overall Dimensions
A B C D E F G H K M N P R S T Flange
hole		 AB AC AD HD L
80 2.4.6.8 125 100 50 19 40 6 15.5 80 10 165 130 200 0 12 3.5 4 165 165 180 320 330
90S 2.4.6.8 140 100 56 24 50 8 20 90 10 165 130 200 0 12 3.5 4 180 180 180 350 360
90L 2.4.6.8 140 125 56 24 50 8 20 90 10 165 130 200 0 12 3.5 4 180 180 180 350 385
100L 2.4.6.8 160 140 63 28 60 8 24 100 12 215 180 250 0 15 4 4 205 205 180 400 400
112M 2.4.6.8 190 140 70 28 60 8 24 112 12 215 180 250 0 15 4 4 230 230 200 420 460
132S 2.4.6.8 216 178 89 38 80 10 33 132 12 265 230 300 0 15 4 4 270 270 200 450 550
132M 2.4.6.8 216 178 89 38 80 10 33 132 12 265 230 300 0 15 4 4 270 270 200 450 550
160M 2.4.6.8 254 210 108 42 110 12 37 16 15 300 250 350 0 19 5 4 325 325 220 520 355
160L 2.4.6.8 254 254 108 42 110 12 37 16 15 300 250 350 0 19 5 4 325 325 220 520 695
180M 2.4.6.8 279 241 121 48 110 14 42.5 180 15 300 250 350 0 19 5 4 360 360 220 550 730
182L 2.4.6.8 279 279 121 48 110 14 42.5 180 15 300 250 350 0 19 5 4 360 326 220 550 750
300L
225M
225S		 2.4.6.8 318
356
356		 305
311
286		 133
149
149		 55
60		 110
140		 16
18		 49
53		 250 24 500 450 550 0 19 5 8 500 500 300 720 860
4.8
250M 2 406 349 168 55
60		 110
140		 16
18		 49
53		 250 24 500 450 550 0 19 5 8 500 500 300 720 945
4.6.8
280S 2 457 368 190 60
65		 140
140		 18
18		 53
58		 280 24 500 450 550 0 19 5 8 500 500 300 720 690
4.6.8
280M 2 457 419 190 65
75		 140
140		 18
20		 58
67.5		 280 24 500 450 550 0 19 5 8 545 565 300 790 1010
4.6.8
315S 2 508 406 216 65
75		 140
140		 18
20		 58
67.5		 280 24 500 450 550 0 19 5 8 545 565 300 790 1060
4.6.8
315M 2 508 457 216 65
80		 140
170		 18
22		 58
71		 315 28 600 550 660 0 24 6 8 640 630 400 1020 1250
1280
4.6.8.10
315L 2 508 508 216 65
80		 140
170		 18
22		 58
71		 315 28 600 550 660 0 24 6 8 640 630 400 1020 1280
1320
4.6.8.10
355S 2 610 500 254 75
95		 140
170		 20
25		 67.5
86		 355 28 600 680 800 0 24 6 8 740 750 500 1080 1510
1350
4.6.8.10
355M 2 610 560 254 75
95		 140
170		 20
25		 67.5
86		 355 28 600 680 80 0 24 6 8 740 750 500 1080 1410
1570
4.6.8.10
355L 2 610 630 254 75
95		 140
170		 20
25		 67.5
86		 355 28 60 680 80 0 24 6 8 740 750 500 1080 1440
1690
4.6.8.10

4. YB3 Series Explosion Proof Three Phase Asynchronous Motor B14 Installation Method

YB3-Series-Explosion-Proof-Three-Phase-Asynchronous-Motor-B14-Installation-Method

Frame Pole Installation Dimension Overall Dimensions
D E F G M N P R S T Flange
holes		 AC AD L
63 2.4 11 23 4 8.5 75 60 90 0 M5 2.5 4 150 170 270
71 2.4.6 14 30 5 11 85 70 105 0 M6 2.5 4 155 170 300
80 2.4.6.8 19 40 6 15.5 100 80 120 0 M6 3 4 165 240 330
90S 2.4.6.8 24 50 8 20 115 95 140 0 M8 3 4 180 260 360
90L 2.4.6.8 24 50 8 20 115 95 140 0 M8 3 4 180 260 385
100L 2.4.6.8 28 60 8 24 130 110 160 0 M8 3.5 4 205 300 440
112M 2.4.6.8 28 60 8 24 130 110 160 0 M8 3.5 4 230 310 460

YB3 Series Explosion Proof Motor Parts Structure:

YB3-Series-Explosion-Proof-Motor-Parts-Structure

Model Analysis of YB3 Series Explosion-proof Motor:

The Meaning of the Explosion-proof Mark of YB3 Motor: ExdⅡBT4Gb

  • Ex: mark (explosion proof)
  • d: Explosion-proof type of electrical equipment (explosion-proof type)
  • IIB: Electrical equipment category level (Class II Class B)
  • T4: Temperature group (T4)
  • Gb: Equipment Protection Level (Gb)

YB3 Explosion-proof Motor Model Representative Meaning: YB3-355M1-4W

  • Y: induction motor
  • B: flameproof type
  • 3: Design serial number, 3 represents three designs
  • 355: The center height of the base (355mm)
  • M: base length (M means middle base)
  • 1:1 iron core length
  • 4: Number of poles (4 poles)
  • W: special environment code (outdoor type)

YB3 Series Explosion Proof Motor Application Field:

YB3-Series-Explosion-Proof-Motor-Application-Field-1 YB3-Series-Explosion-Proof-Motor-Application-Field

About FMP

FMP is a national high-tech enterprise specializing in the design, development, and production of advanced motors and electromechanical solutions. We focus on producing YE2, YE3, and YE4 series motors, along with a range of derivative products. Our product offerings also include three-phase and single-phase motors for hydraulic pumps, aluminum-housing motors, non-standard motors for hydraulic pumps, electromechanical integration turbine gear reducers, and other specialized motors.

FMP’s products are extensively used in industrial automation, serving key sectors such as CNC lathes, shoemaking machinery, woodworking machinery, metalworking machinery, plastic machinery, and construction machinery. With a strong commitment to innovation and quality, FMP ensures that all products meet the highest performance standards.

In addition to our comprehensive product range, we are proud to offer custom solutions tailored to the specific needs of our clients. Whether you need specialized motors, non-standard products, or integrated systems, FMP works closely with clients to deliver high-quality, bespoke solutions. Our focus on precision engineering and client satisfaction drives our continued success in global markets.

At FMP, we are dedicated to building long-term, mutually beneficial partnerships, supporting the success of our clients with each project.

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Three-Phase-Motor-Factory-1 Three-Phase-Motor-Factory-3
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Single-Phase-Induction-Motor-Manufacturers Single-Phase-Induction-Motor-for-Sale

Author: CX

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