BK-4000VA 4000W AC 277V input 220V output single phase control transformer
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BK-4000VA 4000W AC 277V input 220V output single phase control transformer
Price: US $217.22 / piece
Model number: BK-4000VA-277V-220V
Product name: Control transformer
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Total price:US $217.22
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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 $21.30/ pieceOrder (4) |
| BK-250VA | 250VA | 115*106*124mm/115*106*119mm | 90*75mm/90*77.5mm | US $23.78/ pieceOrder (8) |
| 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 | Visiting... |
| BK-5000VA | 5000VA | US $241.81/ pieceOrder (3) |
▇ BK-4000VA control transformer model number legend
BK-4000VA
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-4000VA control transformer submodels
Packaging Details
Product quantity: 1pc
Package weight: 50kg
Package size: 53 x 29 x 37 cm
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