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BK-25 BK-25VA
Winston
Bk Series 25va Single Phase Machine Tools Power Control Transformers
Structure character
According to different structures, BK transformer belongs to shell type, and according to the installation mode, it belongs to vertical type.
Working environment
1. Ambient air temperature: -5oC~+40oC, the highest monthly mean temperature should not exceed +30oC;
2. Altitude for installing place should not exceed 1000m;
3. When the ambient air temperature is +40, the relative humidity should not exceed 50%, and it allows higher
relative humidity under lower temperature. Max average humidity in the dampest month is 90%, meanwhile the
lowest average temperature of this month is +25oC, and condensation on the product surface caused by
temperature change should be taken into consideration.
Datasheet:
Primary voltage 220V 380VAC
Secondary voltage: 380V, 220V, 110V, 36V, 24V, 12V, 6V (TO BE CHOSEN)
| Model | Overall size | Overall size | Overall size | Hole distance for installation | Installation hole | Weight | QTY | |
| (mm) | Bmax | Dmax | Emax | A(mm) | C (mm) | K x J(mm) | (kg) | /CTN |
| BK-25 | 76 | 80 | 77 | 65± 0.4 | 50± 1.5 | 5*7 | 1.97 | 16 |
| BK-50 | 87 | 94 | 87 | 70± 0.4 | 60± 1.5 | 6*8 | 3.3 | 16 |
| BK-100 | 108 | 95 | 101 | 85± 0.4 | 65± 1.5 | 6*8 | 5.5 | 12 |
| BK-150 | 108 | 100 | 101 | 85± 0.4 | 75± 1.5 | 6*8 | 6.4 | 8 |
| BK-200 | 115 | 107 | 101 | 85± 0.4 | 80± 1.5 | 6*8 | 7.3 | 8 |
| BK-250 | 115 | 110 | 125 | 90± 0.4 | 95± 1.5 | 8*11 | 9 | 6 |
| BK-300 | 115 | 115 | 125 | 90± 0.4 | 100± 1.5 | 8*11 | 9.87 | 6 |
| BK-400 | 135 | 140 | 140 | 110± 0.4 | 100± 1.5 | 8*11 | 13.9 | 4 |
| BK-500 | 135 | 145 | 140 | 110± 0.4 | 105± 1.5 | 8*11 | 15.5 | 4 |
| BK-700 | 150 | 150 | 158 | 125± 0.4 | 100± 1.5 | 8*11 | 17 | 2 |
| BK-800 | 155 | 150 | 160 | 125± 0.4 | 119± 1.5 | 8*11 | 20 | 2 |
| BK-1000 | 155 | 160 | 160 | 125± 0.4 | 130± 1.5 | 8*11 | 25 | 2 |
| BK-1500 | 180 | 220 | 180 | 143± 0.4 | 150± 1.5 | 8*11 | 17 | 1 |
| BK-2000 | 180 | 240 | 180 | 143± 0.4 | 175± 1.5 | 8*11 | 21 | 1 |
| BK-2500 | 210 | 230 | 240 | 185± 0.4 | 175± 1.5 | 8*11 | 25 | 1 |
| BK-3000 | 210 | 230 | 240 | 185± 0.4 | 190± 1.5 | 8*11 | 28 | 1 |
| BK-4000 | 250 | 250 | 280 | 195± 0.4 | 170± 1.5 | 8*11 | 40 | 1 |
| BK-5000 | 250 | 265 | 280 | 195± 0.4 | 195± 1.5 | 8*11 | 41 | 1 |
Dimension:
Connection:
Application
BK series machine tool control transformer is suitable for circuit of 50~60Hz, voltage up to 500V,
usually applied as power supply for machine tool electrical appliances, local lightings and indicator
lamps.
Bk Series 25va Single Phase Machine Tools Power Control Transformers
Structure character
According to different structures, BK transformer belongs to shell type, and according to the installation mode, it belongs to vertical type.
Working environment
1. Ambient air temperature: -5oC~+40oC, the highest monthly mean temperature should not exceed +30oC;
2. Altitude for installing place should not exceed 1000m;
3. When the ambient air temperature is +40, the relative humidity should not exceed 50%, and it allows higher
relative humidity under lower temperature. Max average humidity in the dampest month is 90%, meanwhile the
lowest average temperature of this month is +25oC, and condensation on the product surface caused by
temperature change should be taken into consideration.
Datasheet:
Primary voltage 220V 380VAC
Secondary voltage: 380V, 220V, 110V, 36V, 24V, 12V, 6V (TO BE CHOSEN)
| Model | Overall size | Overall size | Overall size | Hole distance for installation | Installation hole | Weight | QTY | |
| (mm) | Bmax | Dmax | Emax | A(mm) | C (mm) | K x J(mm) | (kg) | /CTN |
| BK-25 | 76 | 80 | 77 | 65± 0.4 | 50± 1.5 | 5*7 | 1.97 | 16 |
| BK-50 | 87 | 94 | 87 | 70± 0.4 | 60± 1.5 | 6*8 | 3.3 | 16 |
| BK-100 | 108 | 95 | 101 | 85± 0.4 | 65± 1.5 | 6*8 | 5.5 | 12 |
| BK-150 | 108 | 100 | 101 | 85± 0.4 | 75± 1.5 | 6*8 | 6.4 | 8 |
| BK-200 | 115 | 107 | 101 | 85± 0.4 | 80± 1.5 | 6*8 | 7.3 | 8 |
| BK-250 | 115 | 110 | 125 | 90± 0.4 | 95± 1.5 | 8*11 | 9 | 6 |
| BK-300 | 115 | 115 | 125 | 90± 0.4 | 100± 1.5 | 8*11 | 9.87 | 6 |
| BK-400 | 135 | 140 | 140 | 110± 0.4 | 100± 1.5 | 8*11 | 13.9 | 4 |
| BK-500 | 135 | 145 | 140 | 110± 0.4 | 105± 1.5 | 8*11 | 15.5 | 4 |
| BK-700 | 150 | 150 | 158 | 125± 0.4 | 100± 1.5 | 8*11 | 17 | 2 |
| BK-800 | 155 | 150 | 160 | 125± 0.4 | 119± 1.5 | 8*11 | 20 | 2 |
| BK-1000 | 155 | 160 | 160 | 125± 0.4 | 130± 1.5 | 8*11 | 25 | 2 |
| BK-1500 | 180 | 220 | 180 | 143± 0.4 | 150± 1.5 | 8*11 | 17 | 1 |
| BK-2000 | 180 | 240 | 180 | 143± 0.4 | 175± 1.5 | 8*11 | 21 | 1 |
| BK-2500 | 210 | 230 | 240 | 185± 0.4 | 175± 1.5 | 8*11 | 25 | 1 |
| BK-3000 | 210 | 230 | 240 | 185± 0.4 | 190± 1.5 | 8*11 | 28 | 1 |
| BK-4000 | 250 | 250 | 280 | 195± 0.4 | 170± 1.5 | 8*11 | 40 | 1 |
| BK-5000 | 250 | 265 | 280 | 195± 0.4 | 195± 1.5 | 8*11 | 41 | 1 |
Dimension:
Connection:
Application
BK series machine tool control transformer is suitable for circuit of 50~60Hz, voltage up to 500V,
usually applied as power supply for machine tool electrical appliances, local lightings and indicator
lamps.
