400kva dry type transformer three 3 phase 380v to 220v/230v with price
400kva dry type transformer
three 3 phase 380v to 220v/230v with price
Why choose us:
All our voltage transformer we afford 2 years warranty(include customized one),
All our products'insulation level is H( no need add extra fees up F to H),
All our prodducts using 200 ° high temperature resistance material.(the best material in the market)
All our prodcuts we got CE,ROHS,ISO:9001 certificate.
All our products 10pcs can delivery within 7 work days.
We free for printed your logo on our Machine.
Storng R&D ,Customized welcome, our drawing send to your firstly,specification secondly, quotation lastly.
Welcome to enquiry and join us, we will try our best do the best for you~.~
400kva isolation transformer detail pictures:
Our Black colour one:
Technical specifications:
Rated capacity | 400KVA |
phase number | 3 Phases |
Input voltage | 220,230VAC (3P+G) |
Output voltage | 380,415VAC (3P+N+G) |
Working frequency | 50/60HZ |
Short Circurt Impedance | 4% |
Voltage Resistance | 2500VAc/min (does not have the puncture, no break down) |
Insulation Level | Level H |
Insulation Resistance | > 100MΩ/ DC500V |
Material | Transformer coil adopts 200 degree high temperature copper wire or aluminum wire. Silicon steel sheet, Baosteel, B50A470 material |
Main material winding | Aluminum/Copper |
Connection mode | Delta/Y(Can custimized with your requirement) |
Environment temperature | -10℃ +40℃ ;indoor enclosure, floor-mounted |
Temperature rise limit: | 100K (Actual temperature minus ambient temperature) |
Cooling mode | Natural cooling and wind cooling |
Size(W*D*H) | 900*600*1100mm |
Weight | 780KG |
Warranty | 2 years |
Our Transformer Testing Items:
| Testing items | |||
| No. | Test name | Routine Test | Optional Test |
| 1 | Input voltage test | √ | |
| 2 | 0utput voltage test | √ | |
| 3 | No-load loss and current test | √ | |
| 4 | PRI leakage sense test | √ | |
| 5 | Insulation resistance | √ | |
| 6 | Impedance voltage | √ | |
| 7 | Pressure test | √ | |
| 8 | Insulation resistance | √ | |
| 9 | Winding resistance test | √ | |
| 10 | Temperature rise test | √ | √ |
| 11 | Efficiency | √ | |
| 12 | Connection method | √ | |
| 13 | Inrush current test | √ | |
| 14 | Sound level test | √ | |
| 15 | Waterproof test | √ | |
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