Bk Isolation Control Transformer Single Phase for Industrial Machine
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Product Details
| Customization: | Available |
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| Application: | Power, Lighting |
| Phase: | Single |
Gold Member Since 2025
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Address
Liushi Town, Wenzhou, Zhejiang, China
International Commercial Terms(Incoterms)
FOB, EXW
Terms of Payment
T/T, Small-amount payment
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Basic Info.
- Model NO.
- BK-400W
- Core
- Core-type Transformer
- Cooling Method
- Dry-type Transformer
- Winding Type
- Multi-winding Transformer
- Usage
- Single-phase Transformer, Power Transformer
- Frequency Characteristics
- Low Frequency
- Shape of Core
- Ring
- Brand
- Xinyan
- Name
- Bk Series Machine Tool Transformer
- Input Voltage
- Rated Voltage ±5%
- Output Voltage
- AC380±5%,AC220±5%
- Coil Stricture
- Toroidal
- Coil Number
- Auto-Transformer
- Overload Capability
- 2 Times Rated Current Keep a Minute
- Frequency
- 50Hz/60Hz
- Current
- AC Power Supply
- Transport Package
- Carton Package
- Specification
- Standard
- Trademark
- Xinyan
- Origin
- Yueqing, Zhejiang, China
- HS Code
- 8504310000
- Production Capacity
- 200, 000PCS/Year
Product Description
BK Sereis Machine tool control transformer
BK Series transformer is suitable for AC circuit of 50-60hz, output rated voltae less than 220V, inputrated voltage less than 500V, worked as control power supply for mechanical equipment and general electrical appliance and as power supply for work lighting and signal lamp.Main Parameters
| Item Name | BK-400 Series Machine Tool Control Transformer |
| Input Voltage | Rated Voltage ±5% |
| Output Voltage | AC380±5%,AC220±5% |
| Ambient Temperature | -30-+60,C |
| Frequency | 50Hz/60Hz |
| Phase | Single Phase |
| Efficiency | >95% |
| Insulation Resistance | >20MD |
| Signal Winding | 5<Um<5/10<Um<10,4.5<Un®/9<Um<12 |
| Control Winding | 95% ~105UH |
| Overload Capability | 2 times rated current keep a minute |
| Coil Stricture | Toroidal |
| Coil Number | Auto-transformer |
| Service Site | indoor or outdoor |








The BK Series transformer is a high-performance, high-efficiency, low-interference, and low-noise power transformer. Its core advantage stems from its unique closed-loop core structure. Although the manufacturing cost is higher, it remains an irreplaceable choice in many fields that prioritize quality, efficiency, and quiet operation. In simple terms, it is the "Quiet Expert" and "Energy-Saving Pioneer" among transformers.
The BK series single-phase isolation control transformer is a specialized electrical component designed for machine tool equipment, widely applied in manufacturing workshops, mechanical processing plants, and industrial production lines. It features stable performance, reliable isolation protection, and precise voltage conversion, effectively meeting the electrical control and power supply needs of various machine tools.
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