Efficiency Air Cooling 3-Phase Asynchronous Motor YKK
YKK-400-2/4/6/8/10/12 6KV High Efficiency Air Cooling 3 Phase Asynchronous Motor
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YKK series high efficiency air cooling 3 phase asynchronous motor complies with IEC standard. In order to achieve a significant market share it is essential for high-efficiency motors to meet national/regional standards for assigned powers in relation to mechanical dimensions (such as frame-size, flanges). There are a number of national/regional frame assignment standards (EN 50347, JIS C 4212, NBR 17094, NEMA MG13, SANS 1804 and others) but there is no IEC standard. As this standard (IEC 60034-30-1) defines energy-efficiency classes independent of dimensional constraints it may not be possible in all markets to produce motors with higher efficiency classes and maintain the mechanical dimensions of the national/regional standards.IE codes are not limited to motors but may be used to classify other components such as frequency converters and gearboxes. However, it is anticipated that other components are rated with a comparable system: IE1 meaning low efficiency up to IE5 meaning the highest efficiency. Combinations of components (such as power drive systems) will need a combined efficiency rating. That rating should not be an IE code in order to avoid confusion. It will be defined in other IEC standards. The efficiency levels in this standard for 50 Hz and 60 Hz are not always entirely consistent across all numbers of poles and over the whole power range.
| Type | Rated Power kW | Rated Current A | Rated Speed r/min | Eff. % | Power Factor Cosφ | Locked Torque | Locked Current | Max. Torque | Load moment of inertia Kg.m2 | Weight Kg |
| Rated Torque | Rated Current | Rated Torque | ||||||||
| YKK4001-2 | 355 | 42.8 | 2975 | 92.7 | 0.86 | 0.6 | 7 | 1.8 | 24 | 2575 |
| YKK4002-2 | 400 | 48.1 | 2975 | 93 | 0.86 | 0.6 | 7 | 1.8 | 27 | 2665 |
| YKK4003-2 | 450 | 54 | 2975 | 93.3 | 0.86 | 0.6 | 7 | 1.8 | 30 | 2745 |
| YKK4004-2 | 500 | 59.8 | 2975 | 93.6 | 0.86 | 0.6 | 7 | 1.8 | 33 | 2815 |
| YKK4005-2 | 560 | 66.8 | 2975 | 93.8 | 0.86 | 0.6 | 7 | 1.8 | 36 | 3160 |
| YKK4001-4 | 355 | 42.8 | 1485 | 92.8 | 0.86 | 0.7 | 6.5 | 1.8 | 122 | 2750 |
| YKK4002-4 | 400 | 48.1 | 1485 | 93 | 0.86 | 0.7 | 6.5 | 1.8 | 136 | 2830 |
| YKK4003-4 | 450 | 54 | 1485 | 93.2 | 0.86 | 0.7 | 6.5 | 1.8 | 151 | 2940 |
| YKK4004-4 | 500 | 59.9 | 1485 | 93.4 | 0.86 | 0.7 | 6.5 | 1.8 | 151 | 3160 |
| YKK4005-4 | 560 | 66.9 | 1485 | 93.6 | 0.86 | 0.7 | 6.5 | 1.8 | 151 | 3365 |
| YKK4002-6 | 280 | 35.5 | 990 | 92.5 | 0.82 | 0.7 | 6 | 1.8 | 283 | 2770 |
| YKK4003-6 | 315 | 39.8 | 990 | 92.8 | 0.82 | 0.7 | 6 | 1.8 | 298 | 2920 |
| YKK4004-6 | 355 | 44.3 | 990 | 93 | 0.83 | 0.7 | 6 | 1.8 | 313 | 3130 |
| YKK4005-6 | 400 | 49.8 | 990 | 93.1 | 0.83 | 0.7 | 6 | 1.8 | 323 | 3240 |
| YKK4001-8 | 185 | 24.9 | 740 | 91.6 | 0.78 | 0.8 | 5.5 | 1.8 | 373 | 2665 |
| YKK4002-8 | 200 | 26.8 | 740 | 91.9 | 0.78 | 0.8 | 5.5 | 1.8 | 401 | 2740 |
| YKK4003-8 | 220 | 29.5 | 740 | 92.1 | 0.78 | 0.8 | 5.5 | 1.8 | 438 | 2830 |
| YKK4004-8 | 250 | 33 | 740 | 92.2 | 0.79 | 0.8 | 5.5 | 1.8 | 493 | 2900 |
| YKK4005-8 | 280 | 36.9 | 740 | 92.4 | 0.79 | 0.8 | 5.5 | 1.8 | 546 | 3060 |
| YKK4004-10 | 185 | 26.1 | 595 | 90.8 | 0.75 | 0.8 | 5.5 | 1.8 | 635 | 2890 |
| YKK4005-10 | 200 | 28.2 | 595 | 91.1 | 0.75 | 0.8 | 5.5 | 1.8 | 682 | 2980 |
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