AC-Motors-YE4IE4 Series Three Phase Asynchronous Motor

EP-YE4IE4 Serie driefasige asynchrone motor

The EP-YE4/IE4 Series Super Premium Efficiency Three-Phase Asynchronous Motor is designed to address the growing energy costs and sustainability requirements in Colombia’s industrial sector. Compared to traditional IE2 or IE3 motors, the IE4 class utilizes advanced magnetic materials and optimized slot geometry to reduce energy losses by an additional 15%-20%. In energy-intensive sectors such as mining, oil refineries, and large-scale agricultural processing, this motor significantly lowers Total Cost of Ownership (TCO). With high starting torque, a robust cast iron housing, and excellent thermal management, it ensures reliable performance in the demanding environments of Colombia, providing quick return on investment.

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Beschrijving

1. Technical Performance Matrix

YE4/IE4 Series Super Premium Efficiency Three-Phase Asynchronous Motor Technical Data:

IE4/YE4 Series Super Premium Efficiency Electric Motor
Type Rated Power Rated Speed Efficiency (IE4) Power Factor Rated current (A) Rated Torque Ist/In Tst/Tn Tmax/Tn Weight
(kW) (HP) (r/min) 100% 75% 50% (cosφ) 380V 400V 415V (Nm) (times) (times) (times) (kg)
Synchronous Speed 3000 r/min = 2 poles (50Hz)
IE4/YE4-631-2 0.18KW 0.25HP 2745 70.8 70.8 69.4 0.8 0.48 0.46 0.44 0.63 2.2 2.2 5.5 11.3
IE4/YE4-632-2 0.25KW 0.37HP 2745 74.3 74.3 72.8 0.81 0.63 0.60 0.58 0.87 2.2 2.2 5.5 11.8
IE4/YE4-711-2 0.37KW 0.5HP 2765 78.1 78.1 76.5 0.81 0.89 0.84 0.81 1.28 2.2 2.2 6.1 13.2
IE4/YE4-712-2 0.55KW 0.75HP 2765 81.5 81.5 79.9 0.82 1.25 1.19 1.14 1.9 2.3 2.3 6.1 14.5
IE4/YE4-801-2 0.75KW 1HP 2920 83.5 83.5 81.8 0.82 1.66 1.58 1.52 2.46 2.3 2.3 7 20
IE4/YE4-802-2 1.1KW 1.5HP 2925 85.2 85.2 83.5 0.83 2.36 2.25 2.16 3.6 2.2 2.3 7.3 21
IE4/YE4-90S-2 1.5KW 2HP 2925 86.5 86.5 84.8 0.84 3.14 2.98 2.87 4.89 2.2 2.3 7.6 24
IE4/YE4-90L-2 2.2KW 3HP 2930 88 88 86.2 0.85 4.47 4.25 4.09 7.17 2.2 2.3 7.6 29
IE4/YE4-100L-2 3KW 4HP 2935 89.1 89.1 87.3 0.87 5.88 5.59 5.38 9.76 2.2 2.3 7.8 37
IE4/YE4-112M-2 4KW 5.5HP 2940 90 90 88.2 0.88 7.67 7.29 7.03 13 2.2 2.3 8.3 48
IE4/YE4-132S1-2 5.5KW 7.5HP 2945 90.9 90.9 89.1 0.88 10.4 9.9 9.57 17.8 2 2.3 8.3 76
IE4/YE4-132S2-2 7.5KW 10HP 2950 91.7 91.7 89.9 0.88 14.1 13.4 12.9 24.3 2 2.3 7.9 85
IE4/YE4-160M1-2 11KW 15HP 2960 92.6 92.6 90.7 0.89 20.3 19.3 18.6 35.5 2 2.3 8.1 133
IE4/YE4-160M2-2 15KW 20HP 2960 93.3 93.3 91.4 0.89 27.4 26.1 25.1 48.4 2 2.3 8.1 146
IE4/YE4-160L-2 18.5KW 25HP 2960 93.7 93.7 91.8 0.89 33.7 32.0 30.9 59.7 2 2.3 8.2 160
IE4/YE4-180M-2 22KW 30HP 2965 94 94 92.1 0.89 40.0 38.0 36.6 70.9 2 2.3 8.2 221
IE4/YE4-200L1-2 30KW 40HP 2970 94.5 94.5 92.6 0.89 54.2 51.5 49.6 96.5 2 2.3 7.6 260
IE4/YE4-200L2-2 37KW 50HP 2970 94.8 94.8 92.9 0.89 66.6 63.3 61.0 119 2 2.3 7.6 309
IE4/YE4-225M-2 45KW 60HP 2975 95 95 93.1 0.9 80.0 76.0 73.2 144.5 2 2.3 7.7 370
IE4/YE4-250M-2 55KW 75HP 2975 95.3 95.3 93.4 0.9 97.4 92.6 89.2 176.6 2 2.3 7.7 520
IE4/YE4-280S-2 75KW 100HP 2980 95.6 95.6 93.7 0.9 132 126 121 240.4 1.8 2.3 7.1 570
IE4/YE4-280M-2 90KW 125HP 2982 95.8 95.8 93.9 0.9 159 151 145 288.2 1.8 2.3 7.1 630
IE4/YE4-315S-2 110KW 150HP 2980 96 96 94.1 0.9 193 184 177 352.5 1.8 2.3 7.1 985
IE4/YE4-315M-2 132KW 180HP 2980 96.2 96.2 94.3 0.9 232 220 212 423 1.8 2.3 7.1 1050
IE4/YE4-315L1-2 160KW 200HP 2980 96.3 96.3 94.4 0.91 277 264 254 512.8 1.8 2.3 7.2 1160
IE4/YE4-315L2-2 200KW 270HP 2980 96.5 96.5 94.6 0.91 346 329 317 640.9 1.8 2.2 7.2 1200
IE4/YE4-355M-2 250KW 340HP 2985 96.5 96.5 94.6 0.91 433 411 396 799.8 1.6 2.2 7.2 2050
IE4/YE4-355L-2 315KW 430HP 2982 96.5 96.5 94.6 0.91 545 518 499 1009 1.6 2.2 7.2 2380
Synchronous Speed 1500 r/min = 4 poles (50Hz)
IE4/YE4-631-4 0.12KW 0.18HP 1340 69.8 69.8 68.4 0.72 0.36 0.34 0.33 0.86 2.1 2.2 4.4 11.8
IE4/YE4-632-4 0.18KW 0.25HP 1340 74.7 74.7 73.2 0.73 0.50 0.48 0.46 1.28 2.1 2.2 4.4 12.6
IE4/YE4-711-4 0.25KW 0.37HP 1355 77.9 77.9 76.3 0.74 0.66 0.63 0.60 1.76 2.1 2.2 5.2 18
IE4/YE4-712-4 0.37KW 0.5HP 1355 81.1 81.1 79.5 0.75 0.92 0.88 0.85 2.61 2.1 2.2 5.2 19.5
IE4/YE4-801-4 0.55KW 0.75HP 1420 83.9 83.9 82.2 0.75 1.33 1.26 1.22 3.7 2.4 2.3 5.2 21
IE4/YE4-802-4 0.75KW 1HP 1430 85.7 85.7 84 0.75 1.77 1.68 1.62 5.01 2.3 2.3 6.6 24
IE4/YE4-90S-4 1.1KW 1.5HP 1445 87.2 87.2 85.5 0.76 2.52 2.40 2.31 7.27 2.3 2.3 6.8 30
IE4/YE4-90L-4 1.5KW 2HP 1450 88.2 88.2 86.4 0.77 3.36 3.19 3.07 9.88 2.3 2.3 7 34
IE4/YE4-100L1-4 2.2KW 3HP 1455 89.5 89.5 87.7 0.81 4.61 4.38 4.22 14.4 2.3 2.3 7.6 47
IE4/YE4-100L2-4 3KW 4HP 1455 90.4 90.4 88.6 0.82 6.15 5.84 5.63 19.7 2.3 2.3 7.6 53
IE4/YE4-112M-4 4KW 5.5HP 1460 91.1 91.1 89.3 0.82 8.1 7.7 7.45 26.2 2.2 2.3 7.8 60
IE4/YE4-132S-4 5.5KW 7.5HP 1470 91.9 91.9 90.1 0.83 11.0 10.4 10.0 35.7 2 2.3 7.9 85
IE4/YE4-132M-4 7.5KW 10HP 1470 92.6 92.6 90.7 0.84 14.7 13.9 13.4 48.7 2 2.3 7.5 96
IE4/YE4-160M-4 11KW 15HP 1475 93.3 93.3 91.4 0.85 21.1 20.0 19.3 71.2 2.2 2.3 7.7 146
IE4/YE4-160L-4 15KW 20HP 1475 93.9 93.9 92 0.86 28.2 26.8 25.8 97.1 2.2 2.3 7.8 156
IE4/YE4-180M-4 18.5KW 25HP 1480 94.2 94.2 92.3 0.86 34.7 33.0 31.8 119.4 2 2.3 7.8 181
IE4/YE4-180L-4 22KW 30HP 1480 94.5 94.5 92.6 0.86 41.1 39.1 37.7 142 2 2.3 7.8 209
IE4/YE4-200L-4 30KW 40HP 1480 94.9 94.9 93 0.86 55.9 53.1 51.1 193.6 2 2.3 7.3 280
IE4/YE4-225S-4 37KW 50HP 1485 95.2 95.2 93.3 0.86 68.7 65.2 62.9 237.9 2 2.3 7.4 373
IE4/YE4-225M-4 45KW 60HP 1485 95.4 95.4 93.5 0.86 83.3 79.2 76.3 289.4 2 2.3 7.4 390
IE4/YE4-250M-4 55KW 75HP 1485 95.7 95.7 93.8 0.86 102 96.5 93.0 353.7 2.2 2.3 7.4 553
IE4/YE4-280S-4 75KW 100HP 1490 96 96 94.1 0.88 135 128 124 480.7 2 2.3 6.9 655
IE4/YE4-280M-4 90KW 125HP 1490 96.1 96.1 94.2 0.88 162 154 148 576.8 2 2.3 6.9 730
IE4/YE4-315S-4 110KW 150HP 1490 96.3 96.3 94.4 0.89 195 185 179 705 2 2.2 7 980
IE4/YE4-315M-4 132KW 180HP 1490 96.4 96.4 94.5 0.89 234 222 214 846 2 2.2 7 1031
IE4/YE4-315L1-4 160KW 200HP 1490 96.6 96.6 94.7 0.89 283 269 259 1026 2 2.2 7.1 1093
IE4/YE4-315L2-4 200KW 270HP 1490 96.7 96.7 94.8 0.9 349 332 320 1282 2 2.2 7.1 1190
IE4/YE4-355M-4 250KW 340HP 1490 96.7 96.7 94.8 0.9 436 415 400 1602 2 2.2 7.1 1754
IE4/YE4-355L-4 315KW 430HP 1490 96.7 96.7 94.8 0.9 550 522 504 2019 2 2.2 7.1 1960
Synchronous Speed 1000 r/min = 6 poles (50Hz)
IE4/YE4-632-6 0.12KW 0.18HP 860 64.9 64.9 63.6 0.6 0.47 0.44 0.43 1.33 1.8 1.9 3.5 12.3
IE4/YE4-711-6 0.18KW 0.25HP 860 70.1 70.1 68.7 0.66 0.59 0.56 0.54 2 1.9 2 4 13.3
IE4/YE4-712-6 0.25KW 0.37HP 860 74.1 74.1 72.6 0.68 0.75 0.72 0.69 2.78 1.9 2 4 13.8
IE4/YE4-801-6 0.37KW 0.5HP 895 78 78 76.4 0.7 1.03 0.98 0.94 3.95 1.9 2 4.7 18.2
IE4/YE4-802-6 0.55KW 0.75HP 895 80.9 80.9 79.3 0.72 1.43 1.36 1.31 5.87 1.9 2.1 4.7 20
IE4/YE4-90S-6 0.75KW 1HP 950 82.7 82.7 81 0.71 1.94 1.84 1.78 7.54 2 2.1 6 28
IE4/YE4-90L-6 1.1KW 1.5HP 955 84.5 84.5 82.8 0.73 2.71 2.57 2.48 11 2 2.1 6 32
IE4/YE4-100L-6 1.5KW 2HP 960 85.9 85.9 84.2 0.73 3.63 3.45 3.33 14.9 2 2.1 6.5 40
IE4/YE4-112M-6 2.2KW 3HP 965 87.4 87.4 85.7 0.74 5.17 4.91 4.73 21.8 2 2.1 6.6 56
IE4/YE4-132S-6 3KW 4HP 970 88.6 88.6 86.8 0.74 6.95 6.60 6.37 29.5 2 2.1 6.8 78
IE4/YE4-132M1-6 4KW 5.5HP 975 89.5 89.5 87.7 0.74 9.2 8.7 8.40 39.2 2 2.1 6.8 89
IE4/YE4-132M2-6 5.5KW 7.5HP 975 90.5 90.5 88.7 0.75 12.3 11.7 11.3 53.9 2 2.1 7 102
IE4/YE4-160M-6 7.5KW 10HP 980 91.3 91.3 89.5 0.79 15.8 15.0 14.5 73.1 2 2.1 7 140
IE4/YE4-160L-6 11KW 15HP 980 92.3 92.3 90.5 0.8 22.6 21.5 20.7 107.2 2 2.1 7.2 160
IE4/YE4-180L-6 15KW 20HP 985 92.9 92.9 91 0.81 30.3 28.8 27.7 145.4 2 2.1 7.3 245
IE4/YE4-200L1-6 18.5KW 25HP 985 93.4 93.4 91.5 0.81 37.2 35.3 34.0 179.4 2 2.1 7.3 265
IE4/YE4-200L2-6 22KW 30HP 985 93.7 93.7 91.8 0.81 44.0 41.8 40.3 213.3 2 2.1 7.4 285
IE4/YE4-225M-6 30KW 40HP 990 94.2 94.2 92.3 0.83 58.3 55.4 53.4 289.4 2 2.1 6.9 335
IE4/YE4-250M-6 37KW 50HP 990 94.5 94.5 92.6 0.84 70.8 67.3 64.8 356.9 2 2.1 7.1 471
IE4/YE4-280S-6 45KW 60HP 990 94.8 94.8 92.9 0.85 84.9 80.6 77.7 434.1 2 2 7.3 530
IE4/YE4-280M-6 55KW 75HP 990 95.1 95.1 93.2 0.86 102 97.1 93.6 530.6 2 2 7.3 670
IE4/YE4-315S-6 75KW 100HP 990 95.4 95.4 93.5 0.84 142 135 130 723.5 2 2 6.6 960
IE4/YE4-315M-6 90KW 125HP 990 95.6 95.6 93.7 0.85 168 160 154 868.2 2 2 6.7 1070
IE4/YE4-315L1-6 110KW 150HP 990 95.8 95.8 93.9 0.85 205 195 188 1061 2 2 6.7 1160
IE4/YE4-315L2-6 132KW 180HP 990 96 96 94.1 0.86 243 231 222 1273 2 2 6.8 1250
IE4/YE4-355M1-6 160KW 200HP 990 96.2 96.2 94.3 0.86 294 279 269 1543 1.8 2 6.8 1780
IE4/YE4-355M2-6 200KW 270HP 990 96.3 96.3 94.4 0.87 363 345 332 1929 1.8 2 6.8 1900
IE4/YE4-355L-6 250KW 340HP 990 96.5 96.5 94.6 0.87 452 430 414 2412 1.8 2 6.8 2100
Synchronous Speed 750 r/min = 8 poles (50Hz)
IE4/YE4-712-8 0.12KW 0.18HP 610 62.3 62.3 61.1 0.57 0.51 0.49 0.47 1.88 1.8 1.9 2.8 13
IE4/YE4-801-8 0.18KW 0.25HP 655 67.2 67.2 65.9 0.61 0.67 0.63 0.61 2.62 1.8 1.9 3.3 17.4
IE4/YE4-802-8 0.25KW 0.37HP 655 70.8 70.8 69.4 0.61 0.88 0.84 0.81 3.65 1.8 1.9 3.3 20
IE4/YE4-90S-8 0.37KW 0.5HP 680 74.3 74.3 72.8 0.61 1.24 1.18 1.14 5.2 1.8 1.9 4 34
IE4/YE4-90L-8 0.55KW 0.75HP 680 77 77 75.5 0.61 1.78 1.69 1.63 7.72 1.8 2 4 35.5
IE4/YE4-100L1-8 0.75KW 1HP 700 78.4 78.4 76.8 0.67 2.17 2.06 1.99 10.2 1.8 2 4 40
IE4/YE4-100L2-8 1.1KW 1.5HP 700 80.8 80.8 79.2 0.69 3.00 2.85 2.74 15 1.8 2 5 45
IE4/YE4-112M-8 1.5KW 2HP 710 82.6 82.6 80.9 0.7 3.94 3.74 3.61 20.2 1.8 2 5 50
IE4/YE4-132S-8 2.2KW 3HP 720 84.5 84.5 82.8 0.71 5.57 5.29 5.10 29.2 1.8 2 6 78
IE4/YE4-132M-8 3KW 4HP 720 85.9 85.9 84.2 0.73 7.27 6.91 6.66 39.8 1.8 2 6 88
IE4/YE4-160M1-8 4KW 5.5HP 730 87.1 87.1 85.4 0.73 9.6 9.1 8.75 52.3 1.9 2 6 138
IE4/YE4-160M2-8 5.5KW 7.5HP 730 88.3 88.3 86.5 0.74 12.8 12.1 11.7 72 1.9 2 6 150
IE4/YE4-160L-8 7.5KW 10HP 730 89.3 89.3 87.5 0.75 17.0 16.2 15.6 98.1 1.9 2 6 170
IE4/YE4-180L-8 11KW 15HP 735 90.4 90.4 88.6 0.75 24.7 23.4 22.6 142.9 2 2 6.5 230
IE4/YE4-200L-8 15KW 20HP 735 91.2 91.2 89.4 0.76 32.9 31.2 30.1 194.9 2 2 6.6 280
IE4/YE4-225S-8 18.5KW 25HP 735 91.7 91.7 89.9 0.76 40.3 38.3 36.9 240.4 1.9 2 6.6 302
IE4/YE4-225M-8 22KW 30HP 735 92.1 92.1 90.3 0.78 46.5 44.2 42.6 285.9 1.9 2 6.6 335
IE4/YE4-250M-8 30KW 40HP 735 92.7 92.7 90.8 0.79 62.2 59.1 57.0 389.8 1.9 2 6.5 400
IE4/YE4-280S-8 37KW 50HP 740 93.1 93.1 91.2 0.79 76.4 72.6 70.0 477.5 1.9 2 6.6 520
IE4/YE4-280M-8 45KW 60HP 740 93.4 93.4 91.5 0.79 92.7 88.0 84.8 580.7 1.9 2 6.6 600
IE4/YE4-315S-8 55KW 75HP 740 93.7 93.7 91.8 0.81 110 105 101 709.8 1.8 2 6.6 1010
IE4/YE4-315M-8 75KW 100HP 740 94.2 94.2 92.3 0.81 149 142 137 967.9 1.8 2 6.2 1140
IE4/YE4-315L1-8 90KW 125HP 740 94.4 94.4 92.5 0.82 177 168 162 1161 1.8 2 6.4 1175
IE4/YE4-315L2-8 110KW 150HP 740 94.7 94.7 92.8 0.82 215 204 197 1420 1.8 2 6.4 1210
IE4/YE4-355M1-8 132KW 180HP 740 94.9 94.9 93 0.82 258 245 236 1704 1.8 2 6.4 2050
IE4/YE4-355M2-8 160KW 220HP 740 95.1 95.1 93.2 0.82 312 296 285 2065 1.8 2 6.4 2200
IE4/YE4-355L-8 200KW 270HP 740 95.4 95.4 93.5 0.83 384 365 351 2581 1.8 2 6.4 2300

YE4/IE4 Series Super Premium Efficiency Three-Phase Asynchronous Motor Installation Dimension:

AC-Motors-YE4IE4 Series Three Phase Asynchronous Motor-draft1

AC-Motors-YE4IE4 Series Three Phase Asynchronous Motor-draft2

 

Frame Pole Mounting Dimension Overall Dimension
A B C D E F G H M N P R S T K AB AC AD HD HF L
63M 2.4 100 80 40 11 23 4 8.5 63 115 95 140 0 10 3 7 135 130 70 180 130 230
71M 2.4.6 112 90 45 14 30 5 11 71 130 110 160 0 10 3.5 7 150 145 80 195 145 255
80M 2.4.6.8 125 100 50 19 40 6 15.5 80 165 130 200 0 12 3.5 10 165 175 145 220 185 295
90S 2.4.6.8 140 100 56 24 50 8 20 90 165 130 200 0 12 3.5 10 180 195 155 250 195 320
90L 2.4.6.8 140 125 56 24 50 8 20 90 165 130 200 0 12 3.5 10 180 195 155 250 195 345
100L 2.4.6.8 160 140 63 28 60 8 24 100 215 180 250 0 15 4 12 205 215 180 270 245 385
112M 2.4.6.8 190 140 70 28 60 8 24 112 215 180 250 0 15 4 12 230 240 190 300 265 400
132S 2.4.6.8 216 140 89 38 80 10 33 132 265 230 300 0 15 4 12 270 275 210 345 315 470
132M 2.4.6.8 216 178 89 38 80 10 33 132 265 230 300 0 15 4 12 270 275 210 345 315 510
160M 2.4.6.8 254 210 108 42 110 12 37 160 300 250 350 0 19 5 15 320 330 255 420 385 615
160L 2.4.6.8 254 254 108 42 110 12 37 160 300 250 350 0 19 5 15 320 330 255 420 385 670
180M 2.4.6.8 279 241 121 48 110 14 42.5 180 300 250 350 0 19 5 15 355 380 280 455 430 700
180L 2.4.6.8 279 279 121 48 110 14 42.5 180 300 250 350 0 19 5 15 355 380 280 455 430 740
200L 2.4.6.8 318 305 133 55 110 16 49 200 350 300 400 0 19 5 19 395 420 305 505 480 770
225S 4.8 356 286 149 60 140 18 53 225 400 350 450 0 19 5 19 435 470 335 560 535 815
225M 2 356 311 149 55 110 16 49 225 400 350 450 0 19 5 19 435 470 335 560 535 820
4.6.8 60 140 18 53 845
225M 2 406 349 168 60 140 18 53 250 500 450 550 0 19 5 24 490 510 370 615 595 910
4.6.8 65 140 18 58
280S 2 457 368 190 65 140 18 58 280 500 450 550 0 19 5 24 550 580 410 680 650 985
4.6.8 75 140 20 67.5
280M 2 457 419 190 65 140 18 58 280 500 450 550 0 24 5 19 550 580 410 680 650 1035
4.6.8.10 75 140 20 67.5
315S 2 508 406 216 65 140 18 58 315 600 550 660 0 24 6 28 635 645 530 845 _ 1160
4.6.8.10 80 170 22 71 1270
315M 2 508 457 216 65 140 18 58 315 600 550 660 0 24 6 28 635 645 530 845 _ 1190
4.6.8.10 80 170 22 71 1300
315L 2 508 508 216 65 140 18 58 315 600 550 660 0 24 6 28 635 645 530 845 _ 1190
4.6.8.10 80 170 22 71 1300
355M 2 610 560 254 75 140 20 67.5 355 740 680 800 0 24 6 28 730 710 655 1010 _ 1500
4.6.8.10 95 170 25 86 1530
355L 2 610 630 254 75 140 20 67.5 355 740 680 800 0 24 6 28 730 710 655 1010 _ 1500
4.6.8.10 95 170 25 86 1530

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2. Strategic Analysis: The Imperative for Super Premium Efficiency in South American Industry

In the rapidly evolving industrial landscape of Colombia, energy efficiency has transitioned from a luxury to a critical operational necessity. The EP-YE4/IE4 Series Super Premium Efficiency Three Phase Asynchronous Motor represents the pinnacle of electromechanical engineering, designed specifically to address the high energy costs and sustainability mandates facing Colombian manufacturers today. Unlike standard IE2 or IE3 motors, the IE4 class utilizes advanced magnetic materials and optimized slot geometries to reduce losses by an additional 15% to 20%. For energy-intensive sectors such as the mining operations in La Guajira, the oil refineries in Barrancabermeja, or the large-scale agricultural processing plants in Valle del Cauca, this translates into massive reductions in Total Cost of Ownership (TCO). At Colombia Ever-power AC Motors Co., Ltd., we understand that upgrading to IE4 technology is not just about compliance; it is a strategic investment. By minimizing heat generation and mechanical stress, these motors offer significantly extended service lives and reduced maintenance intervals. Our EP-YE4 series is engineered to operate seamlessly on the Colombian 60Hz grid, providing a drop-in replacement solution that allows facility managers to upgrade their efficiency profile without expensive infrastructure modifications. This product stands as a testament to our commitment to bringing world-class, sustainable propulsion technology to the Andean region.

3. Four Key Engineering Facts

  • ✓ Premium Efficiency: Exceeds 95% efficiency in larger frame sizes, fully compliant with IE3 standards.
  • ✓ Robust Housing: Manufactured from high-grade HT250 cast iron for superior vibration damping and structural rigidity.
  • ✓ Thermal Reserve: Class F insulation with Class B temperature rise, ensuring longevity even at high altitudes in Bogotá.
  • ✓ Protection Rating: Standard IP55 enclosure protects against dust ingress and low-pressure water jets.

4. Regulatory Compliance: RETIE, RETIQ, and the Future of Colombian Energy Laws

Navigating the regulatory environment in Colombia is essential for any industrial procurement. The EP-YE4/IE4 Series is fully certified under the RETIE (Reglamento Técnico de Instalaciones Eléctricas), which is the mandatory technical regulation ensuring the safety of electrical installations and equipment in Colombia. This certification guarantees that our motors meet stringent safety protocols regarding insulation resistance, thermal rise, and protection against electric shock, safeguarding your personnel and infrastructure. Furthermore, our motors align with the RETIQ (Reglamento Técnico de Etiquetado) standards, which mandate clear energy efficiency labeling. While current regulations may allow for lower efficiency classes, the Colombian government is aggressively moving towards higher sustainability goals in alignment with global decarbonization trends. Investing in IE4 “Super Premium Efficiency” motors today places your company ahead of the regulatory curve, ensuring compliance with future, stricter energy mandates (PROURE) that are expected to phase out lower efficiency units. This proactive approach not only secures your legal standing but also qualifies your facility for potential tax incentives related to energy efficiency projects under Colombian Law 1715.

5. Engineering Mechanics: Principles, Metallurgy

The AC motor working principle of the EP-YE4 series relies on the foundational concept of electromagnetic induction but is refined through advanced tribology and materials science. When a three-phase AC current is applied to the stator, it generates a rotating magnetic field. In standard motors, significant energy is lost through heat (copper loss), magnetic friction (iron loss), and windage. The EP-YE4 series mitigates these losses by utilizing Cold-Rolled Non-Oriented Silicon Steel laminations with extremely low magnetic permeability loss. The rotor cage is precision die-cast with high-conductivity aluminum or copper (depending on frame size), optimized to reduce the “slip” between the rotating field and the rotor shaft. This reduction in slip is what defines the “Super Premium” efficiency class, ensuring that a higher percentage of electrical input is converted directly into mechanical torque.

Material selection is paramount for durability in Colombia’s diverse climate zones. The housing is cast from high-grade HT250 Grey Cast Iron, which provides superior vibration damping compared to aluminum, essential for heavy-duty applications. The windings employ Grade F or H insulation with vacuum pressure impregnation (VPI) to resist humidity—a critical feature for operations in the humid Magdalena River valley or coastal areas like Cartagena. The bearings are sourced from top-tier global suppliers (SKF/NSK equivalent), sealed to prevent the ingress of dust in mining environments.

AC-Motors-YE4IE4 Series Three Phase Asynchronous Motor-draft3

6. Application Scenarios:

1. Mining Ventilation (Antioquia/Cesar): The IE4 efficiency drastically reduces electricity bills for fans running 24/7.

2. Water Treatment Plants (Bogotá): Driving large centrifugal pumps where variable loads benefit from the motor’s flat efficiency curve.

3. Cement Manufacturing (Boyacá): High starting torque capabilities make it ideal for crushers and mills.

4. Sugar Mills (Valle del Cauca): Robust cast iron construction withstands the heavy vibration and shock loads of cane processing machinery.

AC-Motors-YE4IE4 Series Three Phase Asynchronous Motor-application

7. Market Trend Analysis: The Green Shift in Colombia

The industrial motor market in Colombia is currently witnessing a decisive shift from standard efficiency (IE1/IE2) to premium efficiency classes (IE3/IE4). This trend is driven not only by environmental conscience but by hard economic reality. Electricity prices in Colombia have fluctuated, making operational costs (OpEx) a primary concern for facility managers. The EP-YE4 motor addresses this by offering a Return on Investment (ROI) often less than 18 months through energy savings alone.

Another significant trend is the integration of Smart Monitoring. While the ac motor working principle remains mechanical, the integration of IoT sensors for vibration and temperature monitoring is becoming standard in critical infrastructure (like oil pipelines). The EP-YE4 series is “Smart Ready,” featuring flat surfaces on the DE and NDE bearing shields for easy sensor mounting. Furthermore, as automation grows, the pairing of IE4 motors with Variable Frequency Drives (VFDs) is becoming the gold standard for process control, maximizing the inherent efficiency of the asynchronous 3 phase design across the entire load curve.

8. Related Products

Our gearbox is the perfect companion for the EP-YS-serie driefasige asynchrone motor met aluminium behuizing, offering superior performance and seamless integration in a wide range of industrial applications. Engineered with precision, our gearboxes are designed to efficiently transfer power from the motor to machinery, optimizing torque and speed for various systems like conveyors, air compressors, and industrial fans.

Made from high-quality materials, our gearboxes feature robust construction for long-lasting durability, even under heavy loads. The gears are manufactured using advanced heat-treatment processes, ensuring excellent wear resistance and minimal maintenance. With a range of gear ratios, our gearboxes offer the flexibility to adjust motor speed and torque to meet the specific demands of your application.

Whether you’re looking to reduce the rotational speed for high-torque output or increase speed for faster operation, our gearboxes provide a reliable and efficient solution. Additionally, they are designed to work in tandem with the EP-YS motor, enhancing its performance and efficiency. From food processing plants in Bogotá to manufacturing units in Medellín, our gearboxes deliver exceptional reliability and smooth operation, reducing downtime and improving overall productivity.

acmotors-related-part-gearbox

Frequently Asked Questions (FAQ)

Q1. What is three phase asynchronous motor advantages over single phase?

A1. A three-phase asynchronous motor like the EP-YE3 offers significantly higher efficiency, higher starting torque, and smoother operation (less vibration) compared to single-phase motors. They are self-starting, do not require capacitors, and are far more durable for heavy industrial loads found in Colombian manufacturing and agriculture.

Q2. How to connect single phase asynchronous motor vs three phase?

A2. Single-phase motors usually require a starting capacitor and switch mechanism. The EP-YE3 three-phase motor is simpler to connect: it uses three live wires (L1, L2, L3). Depending on your voltage (e.g., 220V or 440V in Colombia), you connect the internal jumpers in either Star (Y) or Delta (Δ) configuration as shown on the ac motor diagram in the terminal box.

Q3. Where can I find ac motors near me in Bogota?

A3. Colombia Ever-power has a robust distribution network. We can ship EP-YE3 motors directly to Bogota, Medellin, Cali, and Barranquilla within 24-48 hours. Contact our sales team for the nearest authorized distributor or to arrange direct factory delivery to your facility.

Q4. What ac motor diagram is needed for VFD installation?

A4. When using a Variable Frequency Drive (VFD), you typically wire the motor directly to the VFD output terminals (U, V, W). You must ensure the motor is wired (Star or Delta) to match the output voltage of the VFD. The EP-YE3 series is VFD-compatible, thanks to its high-grade insulation.

Q5. Are these motors compliant with RETIE regulations?

A5. Yes, absolutely. All EP-YE3 motors imported and sold by Colombia Ever-power are fully compliant with RETIE (safety) and RETIQ (efficiency labeling) regulations. We provide the necessary conformity certificates required for audits and legal installation in Colombia.

Q6. What makes the EP-YE3 the best ac motors for mining applications?

A6. Mining requires durability. The EP-YE3 features a heavy cast iron frame (HT250), IP55 ingress protection against dust and water, and high starting torque. These features make it resilient against the harsh, dusty, and vibrating environments typical of Colombian mines in La Guajira or Boyacá.

Q7. How does altitude in cities like Bogota affect the motor?

A7. At altitudes above 1000m (Bogota is ~2640m), air is thinner, reducing cooling efficiency. Standard motors may overheat. Our EP-YE3 motors have a high thermal reserve (Class F insulation, Class B rise), allowing them to operate safely in Bogota. For extreme loads, we can oversize the motor or add forced ventilation.

Q8. Can I replace a Y2 series motor with a YE3 motor?

A8. Yes. The EP-YE3 series adheres to standard IEC frame sizes. This means the shaft height, foot mounting dimensions, and shaft diameter are identical to older Y or Y2 series motors. You can simply unbolt the old inefficient motor and bolt on the new high-efficiency YE3 without mechanical modifications.

Q9. What is the payback period for upgrading to IE3 motors?

A9. With the current industrial electricity rates in Colombia, the ROI is very attractive. For a motor running continuously (24/7), the energy savings usually pay for the cost difference of the IE3 motor within 6 to 12 months. After that, the savings contribute directly to your profit.

Q10. Do you offer ac motors for sale with flange mounting?

A10. Yes. We stock B3 (foot mounted), B5 (large flange), B14 (small flange), and B35 (foot and flange) configurations. We can also modify the mounting in our workshop to suit specific pump or gearbox interfaces required by your machinery.

Editor: PXY

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