The ECS Series Gun Type Voltage Transformers are designed for 1-phase earthed configurations with inbuilt Fuse Assembly, delivering exceptional insulation performance and operational safety. With primary voltage ratings from 17.5 kV to 33 kV and a compact design suited for various panel widths, these transformers provide accurate voltage measurement and dependable protection for modern indoor electrical systems.
| Parameter | ECS11 H | ECS22 E | ECS33 F |
|---|---|---|---|
| Construction Type | 1-Phase Earthed, Draw Out (Gun) Type | 1-Phase Earthed, Draw Out (Gun) Type | 1-Phase Earthed, Draw Out (Gun) Type |
| Max. System Voltage (Um) | 17.5 kV | 24 kV | 36 kV |
| Basic Insulation Level (BIL) | Up to 38/95 kV | Up to 55/125 kV | Up to 70/200 kV |
| Rated Primary Voltage | 17,500/√3 V | 22,000/√3 V | 33,000/√3 V |
| Rated Secondary Voltage | 110/√3 , 110/3 V ; 120/√3 ;120/3 | 110/√3 or 110/3 120/√3 ; 120/3 | 110/√3 or 110/3 V 120/√3 ; 120/3 V |
| Maximum Rated Voltage Factor | 1.2 Continuous, 1.9 for 8 Hours | 1.2 Continuous, 1.9 for 8 Hours | 1.2 Continuous, 1.9 for 8 Hours |
| Max. Possible Cores | 3 | 3 | 3 |
| Max. Secondary Terminals | 7 | 7 | 7 |
| Rated Frequency | 50/60 Hz | 50/60 Hz | 50/60 Hz |
| Suitable Panel Width | 600 mm | 800 mm | 1000 mm |
