Salient features of M.V. Outdoor SF6 Gas Circuit Breakers
- Simple and compact design
- Line to ground clearances as per customer specification
- Self aligning contacts for easy re-assembly
- Inspection/maintenance of pole unit possible without dismantling the breaker
- Separate main and arcing contacts thus eliminating the possibility of erosion of the main contacts
- Single break upto 245 kV level
- Consistent operating characteristics as the closing spring is in relaxed condition
- Stainless steel latches/catches for high reliability
- Corrosion resistant materials for construction
- Maintenance free operation of the pole unit for 15-20 years under normal conditions
- Easy erection
- No site adjustments
- Easy access to all parts of operating mechanism through front/back opening panels
- Low operating noise levels
- Auto drain valve for unmanned substation operations
- Pressure relief device
- High seismic withstand capability - earthquake safety
Approvals : CESI - Italy, KEMA - Netherlands, CPRI - India, ERDA - India
Standards : IEC 56 - 1987