With over 40 years of experience in epoxy casting, ECS has become a leading manufacturer and supplier of high-quality Cast Resin transformers. Our transformers are designed to operate safely and environmentally friendly solution for medium voltage and electrical distribution systems. These transformers are built to meet special and stringent requirements for various applications such as converters, rectifiers, static excitation, isolation, and more. Our Cast Resin Dry Type transformers are compliant with national and international standards, ensuring high performance and reliability.










| Specification | Details |
|---|---|
| Rated Power | 100 KVA to 1000 KVA |
| Voltage Class | 1.1 kV, 3.6 kV, 7.2 kV, 12 kV, 17.5 kV |
| Rated Frequency | 50 Hz or 60 Hz |
| Rated Voltage | 1.1 kV, 3.3 kV, 6.6 kV, 11 kV, 22 kV, 33 kV |
| Winding Material | Aluminum or Copper |
| Degree of Protection | Up to IP 54 |
| Thermal Insulation Class | F, H |
| Cooling Method | AN-AF |
| In-House Modern Facility |
|---|
| Automatic High Voltage and Low Voltage foil winding machine. |
| Automated casting plant and assembly line. |
| In-house NABL accredited test laboratory upto 15 MVA, 36 kV to conduct routine and type tests as per IEC – 600076-11, IS 2026-11 and IEEE |
| Parameter | Details |
|---|---|
| Rated kVA | Same for both LV (i.e. 1000 / 500 / 500 kVA) |
| Rated Voltage | Same for both LV (i.e. 11000 / 690 / 690 Volt) |
| Connection | Different for both LV (i.e. Delta / Delta / Star) |
| Parameter | Details |
|---|---|
| Rated kVA | Different for both LV (i.e. 2000 / 1150 / 850 kVA) |
| Rated Voltage | Same for both LV (i.e. 11000 / 200 / 200 Volt) |
| Connection | Same for both LV (i.e. Delta / Star / Star) |
| Parameter | Details |
|---|---|
| Rated kVA | Different for both LV (i.e. 1450 / 900 / 550 kVA) |
| Rated Voltage | Different for both LV (i.e. 3300 / 200 / 80 Volt) |
| Connection | Same for both LV (i.e. Delta / Star / Star) |


