
Application:
BK(DK) Series control transformer(Hereafter call 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 power supply.
Structure Character: According to different structures, BK transformer belongs to shell type, and according to the installation mode, it belongs to vertical type.
Model Means:
BK- □ DK- □
B:Transformer D: Single Phase
K: Control K: Control
□: Rated Capacity □: Rated Capacity
Working Enviconment :
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 Install dimension
type |
Outline dimension(mm) |
Hole distance for installation(mm) |
Installation hole(mm) K × J |
Bmax |
Dmax |
Emax |
A |
C |
BK-50 |
78 |
66 |
90 |
56±0.4 |
50±3 |
5 × 12 |
BK-100 |
84 |
78 |
93 |
56±0.4 |
62±2.5 |
6 × 12 |
BK-150 |
102 |
88 |
110 |
83±0.4 |
70±2.5 |
6 × 12 |
BK-250 |
102 |
95 |
110 |
83±0.4 |
76±3 |
9 × 11.5 |
BK-300 |
120 |
127 |
135 |
100±0.4 |
90±3 |
9 × 11.5 |
BK-400 |
146 |
130 |
160 |
123±0.4 |
90±3 |
9 × 11.5 |
BK-500 |
146 |
145 |
160 |
123±0.4 |
105±3 |
9 × 11.5 |
BK-700 |
146 |
155 |
160 |
123±0.4 |
115±3.5 |
9 × 11.5 |
BK-1000 |
150 |
165 |
160 |
123±0.4 |
125±3.5 |
9 × 11.5 |
BK-1500 |
171 |
200 |
190 |
145±0.4 |
135±3.5 |
9 × 11.5 |
BK-2000 |
180 |
230 |
210 |
145±0.4 |
160±3.5 |
9 × 11.5 |
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