Three-phase transformers
T3UI Type
The three-phase transformers from the T3UI series are used on three phase energy systems either as security - isolation type transformer or step up - down transformer, for building into installations and industrial or power engineering devices, medical equipment and etc. At AST Engineering, we can custom design three-phase transformers to meet your exact requirements regarding primary and secondary voltages, power ratings, line frequency, agency approvals, etc.
| IEC standard | 61558 |
|---|---|
| Rated power | 0.5 - 100kVA |
| Rated input voltage | < 1000V |
| Rated output voltage | < 500V |
| Frequency | 50/60Hz |
| Insulation class | F /155 degrees Celsius/ |
| Protection grade | IP00 |
T3UIZ Type
Encased three phase transformers from the T3UIZ series are developed for building into installations and industrial or power engineering devices. The transformers are made with Class I insulation and protection grade IP21or IP23.
| IEC standard | 61558 |
|---|---|
| Rated power | 0.5 - 50kVA |
| Rated input voltage | < 1000V |
| Rated output voltage | < 500V |
| Frequency | 50/60Hz |
| Insulation class | F /155 degrees Celsius/ |
| Protection grade | IP00 |


