BK-250VA 250W AC 220V/380V input 12V 24V 110V 220V output single phase control transformer
★★★★★
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BK-250VA 250W AC 220V/380V input 12V 24V 110V 220V output single phase control transformer
Price: US $23.78 / piece
Model number: BK-250VA-MV-4
Product name: Control transformer
Output voltage:
6.3V 12V 24V 36VUS $23.786.3V 24V 36V 110V
US $23.7812V 24V 36V 110V
US $23.7812V 24V 110V 220V
US $23.7812V 24V 48V 110V 220V
US $23.7842V
US $23.7880V
US $23.78110V
Deliver to:
Shipping:
US $131.39via
Estimated Delivery Time: 10-17 days
DDP service: All applicable import duties and taxes are included in total price.
Total price:US $155.17
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Product description
▇ Model number and description
| Model number | Rated capacity | External dimensions | Mounting holes distance | Online store: |
| BK-25VA | 25VA | 78*69*88mm | 55*50mm | US $9.52/ pieceOrder (4) |
| BK-50VA | 50VA | 78*69*88mm | 55*50mm | US $9.97 - 11.48/ pieceOrder (14) |
| BK-100VA | 100VA | 96*86*102mm | 85*60mm | US $15.08/ pieceOrder (7) |
| BK-150VA | 150VA | 103*97*110mm | 83*71mm | US $16.81/ pieceOrder (7) |
| BK-200VA | 200VA | 106*98*109mm | 76*74mm | US $19.28/ pieceOrder (4) |
| BK-250VA | 250VA | 115*106*124mm/115*106*119mm | 90*75mm/90*77.5mm | Visiting... |
| BK-300VA | 300VA | 115*110*122mm | 90*82mm | US $30.89/ pieceOrder (6) |
| BK-400VA | 400VA | 130*107*120mm | 90*87mm | US $41.32/ pieceOrder (4) |
| BK-500VA | 500VA | *130*130*130mm | *100*102mm | US $46.23/ pieceOrder (5) |
| BK-600VA | 600VA | 133*133*135mm | 100*102mm | US $50.99/ pieceOrder (1) |
| BK-700VA | 700VA | 150*140*150mm | 117*110mm | US $60.00/ pieceOrder (4) |
| BK-800VA | 800VA | 152*140*152mm | 120*108mm | US $63.10 - 70.96/ pieceOrder (3) |
| BK-1000VA | 1000VA | 153*143*153mm | 120.5*114.5mm | US $72.63 - 74.87/ pieceOrder (4) |
| BK-1200VA | 1200VA | 150*150*152mm | 120*125mm | US $93.78/ pieceOrder (1) |
| BK-1500VA | 1500VA | 192*160*210mm | 140*140mm | US $108.53/ pieceOrder (2) |
| BK-2000VA | 2000VA | 180*180*170mm | 140*150mm | US $140.50/ pieceOrder (2) |
| BK-3000VA | 3000VA | 200*190*200mm | US $172.46/ pieceOrder (1) | |
| BK-4000VA | 4000VA | 220*235*240mm | 131*150mm | US $217.22/ pieceOrder (3) |
| BK-5000VA | 5000VA | US $241.81/ pieceOrder (3) |
▇ BK-250VA control transformer model number legend
BK-250VA
Parent Model Number
▇ General
| Model number | BK series |
| Rated capacity | 25, 50, 100, 150, 200, 250, 300, 400, 500, 600, 700, 800, 1000, 1500, 2000, 2500, 3000, 4000, 5000VA |
| Input voltage | AC 220V, 230V, 380V, can be customized |
| Output voltage | AC 220V 110V 36V 24V 12V 6.3V 80V, can be customized |
| Freqency | 50/60Hz |
| Phase | Single-phase |
| Coil quantity | Double winding (Isolation transformer) |
| Coil structure | Core type (EI laminated core) |
| Core material | Silicon steel sheet |
| Winding material | Copper wire |
| Insulation resistance | ≥20MΩ |
| Efficiency | ≥80% |
| Cooling method | Natural air cooling, dry type |
| Operating temperature | -5 to 40℃, 24h average temperature ≤35℃ |
| Usage | Machine tool control, industrial control. Also called machine tool control isolating transformer. |
| FAQ | Q: Are different output taps isolated from each other? A: No. Secondary side is single winding multi-tap. No isolation between output taps. Q: Is this an autotransformer? A: No. It is double winding isolation transformer, primary and secondary are electrically separated. |
▇ BK-250VA control transformer submodels
| No | Model Number | Input Voltage | Output Voltage | MOQ | Unit Price | Related Product |
| 1 | BK-250VA-MV-1 | 220VAC/380VAC | 6.3V 12V 24V 36V | 1 | US $23.78 | Order |
| 2 | BK-250VA-MV-2 | 220VAC/380VAC | 6.3V 24V 36V 110V | 1 | US $23.78 | Order |
| 3 | BK-250VA-MV-3 | 220VAC/380VAC | 12V 24V 36V 110V | 1 | US $23.78 | Order |
| 4 | BK-250VA-MV-4 | 220VAC/380VAC | 12V 24V 110V 220V | 1 | US $23.78 | Visiting... |
| 5 | BK-250VA-MV-5 | 220VAC/380VAC | 12V 24V 48V 110V 220V | 1 | US $23.78 | Order Unfold |
Packaging Details
Product quantity: 1pc
Package weight: 5kg
Package size: 23 x 13 x 16 cm
KEF
★★★★★
2025-10-20 22:40:58
Hi, we need the material very urgently.
Please dispatch and send us the tracking number
Please dispatch and send us the tracking number
Seller's Reply2025-10-22 11:06:21
Hi KEF
Forgot to tell you, we sent the goods at October 19.
Fedex tracking numnber is 885303592025
Best regards
Dennis
Forgot to tell you, we sent the goods at October 19.
Fedex tracking numnber is 885303592025
Best regards
Dennis
11/11
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