Single Phase BK Control Transformers
Usual voltage:input OV-220V-380V, Output OV-6.3V-12V-24V-36V.This BK series control transformer is widely applied to the signal lamp,safe-light, small relay, small motor of machinery and equipment and electric automatization.(The mode of connection:lead wire,connection,brass screw)
Feature
Good Price-Function Ratio
Reliable Performance and Safety
Small Volume & Low Weight
Low No-load Losses
Low Mechanical Hum
Good Shielding Performance, Low Magnetic Leakage
High Efficiency
Low Operating Temperature-rise
Dimension Adjusted Freely
Easy to Mount & Fasten
Excellent Workmanship
Operating environment
1)Temp.:The ambient temperature can not over +40℃。
2)Altitude: Mounting location can not exceed the altitude of 2000m
3)Relative humidity: Maximum 90%
4)The site not attack by rain and snow
5)The medium which no explosion danger,no corroding metal,no electrical breakdown
Testing Items:
No-load Test(No-load Current, No-load Voltage, No-load Loss)
Load Test (Load Voltage, Temperature-rise)
Inductive Voltage Test
DC Resistance Test
Safety Test
Certificate
The certificate of our transfomer has CE CQC RoHs UL
Note
The above-mentioned products is frequently-used,we can also manufacture the products by customer design.And the specification is for reference,If has the change futher,please take the material object as the standard

Model |
Power(VA) |
Out size(mm) |
Install size(mm) |
Install hole dia.(mm) |
A |
B |
C |
D |
E |
F |
BK-50 |
50 |
77 |
65 |
72 |
63.5 |
51 |
4 |
BK-100 |
100 |
87 |
81 |
79 |
72 |
64 |
4.9 |
BK-150 |
150 |
97 |
90 |
85 |
80 |
71 |
4.9 |
BK-200 |
200 |
97 |
95 |
85 |
80 |
76 |
4.9 |
BK-300 |
300 |
115 |
108 |
102 |
95 |
82 |
4.9 |
BK-400 |
400 |
115 |
118 |
102 |
95 |
91 |
4.9 |
BK-500 |
500 |
135 |
121 |
117 |
111 |
88 |
5.8 |
BK-600 |
600 |
135 |
126 |
117 |
111 |
93 |
5.8 |
BK-800 |
800 |
135 |
136 |
117 |
111 |
103 |
5.8 |
BK-1K |
1KVA |
154 |
164 |
138 |
127 |
129 |
5.9 |
BK-1.2K |
1.2KVA |
154 |
184 |
138 |
127 |
149 |
5.9 |