Manufacturer of Isolators / Stockiest of Over Head Line Materials / Govt Contractors.
The 220kV Outdoor Isolator from Balaji Engineers is a robust and precision-aligned disconnector switch designed for 245kV system voltage applications. It is built for heavy-duty transmission substations, offering reliable and safe isolation of high-voltage circuits during maintenance and switching operations. Manufactured in accordance with IEC 62271-102, this product is widely installed in India's power grid and exported to utility networks across the Middle East, Africa, and Southeast Asia.
| Parameter | Specification |
| Rated Voltage | 220kV |
| Highest System Voltage | 245kV |
| Rated Current | 800A / 1250 A / 1600 A / 2000A / 2500A / 3150A / 4000A |
| Break Type | Centre / Double / Vertical Break |
| Insulator Type | Porcelain / Polymer |
| Operation | Manual / Motorized |
| Short-time Withstand | 25kA to 50kA (1s or 3s) |
| Mechanical Life | 2000 operations |
| Standard Compliance | IEC 62271-102, IS Standards |
| Support Structure | Lattice type / Pipe type |
| Isolator Connector | Aluminium type |
| Interlocking Mechanism | Castle Key / Padlock / Remote Interlock |
220kV isolator manufacturer India | 245kV disconnector switch | heavy duty substation isolator | EHV switchgear exporter | IEC 62271-102 certified disconnector | India export brand isolators