
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 |

SKYPE: gzyongxiang
MSN: elliehe@live.cn
Add: No.128, Miaozai zhuang, Jiannan village, Banghu town, Baiyun district, Guangzhou,
China
Tel: +86-020-86039861
Fax: +86-020-86038695
Email: gzyongheng@163.com