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BK/DK) control transformer
 Application (BK/DK) control transformer) |
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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, locallightings and indicator lamps.
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| Structure character (BK/DK) control transformer) |
| According to different structures, BK transformer belongs to shell type, and according to the installation mode, it belongs to vertical type. |
| Working enviconment (BK/DK) control transformer) |
1.Ambient air temperature: -5℃~+40℃, the highest monthly mean temperature should not exceed +30℃;
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 + 25℃, and condensation on the product surface caused bytemperature change should be taken into consideration. |
| Outline and installation size (BK/DK) control transformer) |
| Model |
Overall size(mm) |
Hole distance for installation(mm) |
Installation
hole(mm)
K ×J |
| Bmax |
Dmax |
Emax |
A |
C |
| BK-50 |
76 |
76 |
83 |
61±0.4 |
54±3 |
5×12 |
| BK-100 |
84 |
92 |
100 |
70±0.4 |
60±2.5 |
6×12 |
| BK-150 |
96 |
105 |
110 |
80±0.4 |
60±2.5 |
6×12 |
| BK-250 |
105 |
120 |
125 |
88±0.4 |
73±3 |
9×11.5 |
| BK-300 |
115 |
125 |
125 |
95±0.4 |
76±3 |
9×11.5 |
| BK-400 |
120 |
130 |
130 |
100±0.4 |
80±3 |
9×11.5 |
| BK-500 |
134 |
144 |
150 |
100±0.4 |
86±3 |
9×11.5 |
| BK-700 |
150 |
150 |
158 |
125±0.4 |
100±3 |
9×11.5 |
| BK-1000 |
150 |
153 |
160 |
125±0.4 |
110±3.5 |
9×11.5 |
| BK-1500 |
160 |
240 |
137 |
134±0.4 |
116±3.5 |
9×11.5 |
| BK-2000 |
189 |
270 |
145 |
158±0.4 |
122±3.5 |
9×11.5 | | |
 
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