![](files/images/termek/41696/22.jpg)
E0-TR
Simplified protection device for small transformers
![](files/images/termek/41699/23.jpg)
E1-TR
Two-winding transformer differential protection and control device
![](files/images/termek/41702/24.jpg)
E2-TR
Two-winding transformer differential protection and control device (with phase-voltage measurement added)
![](files/images/termek/41706/25.jpg)
E3-TR
Two-winding transformer differential protection with automatic voltage regulator
![](files/images/termek/41711/26.jpg)
E4-TR
Three-winding transformer differential protection
![](files/images/termek/41714/27.jpg)
E5-TR
Three-winding transformer differential protection and control device (with phase-voltage measurement added)
![](files/images/termek/41717/28.jpg)
E6-TR
Three-winding transformer differential protection with intelligent voltage regulator
![](files/images/termek/42718/dv7500_5013.jpg)
DV7500
Transformer protection with MV busbar automatic voltage regulator in accordance with ENEL specification