verified 
Overview
dry type transformer 120 208v to 220 380 480v step up transformer
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~.~
15kva dry transformer detail pictures:
Our transformer New type:
Technical specifications:
capacity | 15KVA | |
AC input | Phase | 3φ4W |
Voltage | AC 380V voltage can be customized | |
frequency | 50Hz/60Hz | |
AC output | Phase | 3φ4W |
phase voltage | AC 220V 200V voltage can be customized | |
frequency | 50Hz/60Hz | |
current | 39A | |
Coil material | Copper or aluminum wire | |
Steel sheet material | Baosteel A470/0.5 | |
power factor | 0.8 for long term use | |
efficiency | 96% | |
Power frequency withstand voltage | 3000V/1min | |
temperature rise | Transformer winding temperature rise <70K | |
Insulation level | Class F | |
Impedance drop | ≤4% | |
Insulation resistance | DC500C≥100MΩ | |
link group | Yyn0 or Dyn11 | |
Waveform distortion | Sine wave without waveform distortion | |
Load loss | ≤2% | |
Protection level | IP22 | |
noise | ≤60db | |
Chassis material | Steel plate casing, surface electrostatically sprayed | |
cooling method | Natural cooling + forced air cooling | |
Panel display | Input voltage | LED digital display, measurement accuracy: 0.5 level |
The output voltage | LED digital display, measurement accuracy: 0.5 level | |
Work instructions | Yellow, green and red marquees | |
Weight (kg) | about 80kg | |
Volume(mm) | Length 480 Width 330 Height 500 | |
Operating environment | -20℃~+45℃ | |
Relative humidity | ≤90% | |
Altitude | ≤1500m | |
Warranty date | 2 year warranty | |
After-sales service | Solved within 24 hours | |
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 | √ | |
