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| | | Tolerances | | |
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| | | Electromechanical Characteristics | | |
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| | | The table below, describes the electromechanical tolerances concerning electric motors, according to the IEC 34-1 standard (EN 60034-1). | | |
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| | | Tolerance | | |
| | | Parameter | | |
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| | | ■ 0.15 (1 - ti) | | Rated power s50 kW | | |
| | | Efficiency | | |
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| | | ■ (1 - cos (p) / 6 | | min 0,02 - max 0,07 | | |
| | | Power Factor | | |
| | | cosp | | |
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| | | ±30% ±20% +20% ±10% | | Rated power <1kW Rated power alkW | | |
| | | Slip | | |
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| | | Locked Rotor Current | | |
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| | | of the guarateed value | | |
| | | Moment of Inertia | | |
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| | | - 15% +25% | | of the guarateed value of the guarateed value (Upon request it is possibile to exceed the +25% value) | | |
| | | Locked Rotor Torque | | |
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| | | Mechanical tolerances | | |
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| | | The table below describes the mechanical tolerances concerning electric motors, according to the standard IEC 72. | | |
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| | | | | | | | | | | Dimension | Tolerance | | | | | | | | | Shaft Height | - 0,5 mm | | | | | Flange Spigot | I. h6 | for motors up to 132 frame size for motors of 160 frame size and above | | | | | (~ j6 k6 m6 | 0 from 39 mm up to 28 mm 0 from 38 mm up to 48 mm 0 from 55 mm up to 60 mm | | | | | | | | | | |
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| | | Standard and special flange | | |
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| | | The table below shows the dimension of the standard and special flange and shaft sorted by frame size. | | |
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| | | N | | |
| | | P | | |
| | | P | | |
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| | | | | | | | | | | | | Motor frame size | Shaft drive end dimension (DxE) (mm) | Flange type | Flange dimension (P/M/N) (mm) | | | | | | | | | | BM 56 | 9x20 | B5 (standard) | 120/100/80 | | | | | BM 56 | C 9x20 | B14 (standard) | 80/65/50 | | | | | BM 63 | C 11x23 | B5 (standard) | 140/115/95 | | | | | BM 63 | C 11x23 | B14 (standard) | 90/75/60 | | | | | BM 63 | 11x23 | B14-R (56) | (80) 90/65/50 *** | | | | | BA 71 | C 14x30 | B5 (standard) | 160/130/110 | | | | | BA 71 | C 14x30 | B5-R (56)* | 120/100/80 | | | | | BA 71 | 14x30 | B5-R/M (63)* | 140/115/95 | | | | | BA 71 | 14x30 | B5-M | 200/165/130 | | | | | BA 71 | 14x30 | B14 (standard) | 105/85/70 | | | | | BA 71 | 14x30 | B14-R | (90) 105/75/60 *** | | | | | BA 80 | 19x40 | B5(standard) | 200/165/130 | | | | | BA 80 | 19x40 | B5-R | 160/130/110 | | | | | BA 80 | 19x40 | B14 | 120/100/80 | | | | | BA 80 | 19x40 | B14-R | (105) 120/85/70 *** | | | | | BA 90 | C 24x50 | B5(standard) | 200/165/130 | | | | | BA 90 | C 24x50 | B5-R | 160/130/110 | | | | | BA 90 | 24x50 | B14(standard) | 140/115/95 | | | | | BA 90 | 24x50 | B14-R | (120) 140/100/80 *** | | | | | BA 100 | C 28x60 | B5(standard) | 250/215/180 | | | | | BA 100 | C 28x60 | B5-R ** | 200/165/130 | | | | | BA 100 | 28x60 | B14(standard) | 160/130/110 | | | | | BA 112 | 28x60 | B5 (standard) | 250/215/180 | | | | | BA 112 | 28x60 | B14(standard) | 160/130/110 | | | | | BA 132 | 38x80 | B5(standard) | 300/265/230 | | | | | BA 132 | 38x80 | B5-R | 250/215/180 | | | | | BA 132 | 38x80 | B14(standard) | 200/165/130 | | | | | BA 160 | 42x110 | B5(standard) | 350/300/250 | | | | | BA 180 | 48x110 | B5(standard) | 350/300/250 | | | | | BA 200 | 55x110 | B5(standard) | 400/350/300 | | | | | BA 225 | C 60x140 (4/6/8 Poles) | B5(standard) | 450/400/350 | | | | | BA 225 | C 55x110 (2 Poles) | B5(standard) | 450/400/350 | | | | | | | | | | | | | |
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| | | Notes: * | | This type of flange requires a special shaft therefore it isn't interchangeable with the standard flanges. This flange increases the motor length (Q) by 25mm. This type of flange requires a non standard industrial bearing while the shaft remains the standard one. The difference between the dimension of the reduced flange and the standard one (in brackets) doesn't affect the correct motor assembly. | |
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