VII.B.2 110kV Vertical Earthing Switch:
- Standard: IEC 62271 – 102;
- Technical parameters:
Single phases, vertical open and outdoor type.
Rated voltage: 123 kV
Rated frequency: 50Hz
Rated current: 400A
Short - time withstand current: 25kA/3s
Making current: 63 kA(peak)
Material of contact: Cu, Silver plated
Mechanical interlocking device
Operating mechanism:
- Earthing blade is operated by hand
- Aux. contacts 6NO/6NC for earthing blades.
- The operating mechanism will have a stainless steel enclosure, IP55 type.
- Number of earthing blade according to the list table of equipment.
Accessories:
+ Control cubicle.
+ Zinc galvanized Supporting structure , bidder shall specify the height of support according to drawing provided.
+ Terminal connectors for conductor and earthing terminals
+ Document for installation, operation, maintenance, and test report.
Special note: Bidder provides following document for bid evaluation.
- Type test certificate (as per IEC 62271 - 102).
- List of clients.
- Operating certificate of clients.