Buy 110kV-SF6 Circuit Breaker

VII.A. 110kV-SF6 circuit breakerStandard: IEC 62271-100;Technical Parameters:Out door, 3 phase, SF6 circuit breaker type  Rated voltage: 123kV.Rated frequency: 50Hz. ;Rated current: 1250A ;Number of break chamber of a pole: 1 (one) ;Short - time withstand current: 25kA/3s  Rated breaking current: 25kA ;Making current: 63 kA (peak) ;Percentage of DC component: As per IEC 62271-100; ;Operation cycle: 0 - 0.3s - CO - 3min - CO ;Total breaking time:  70 ms  Total closing time:  100 ms ;Number of breaking operation at full short circuit current: > 20 times ;The operating mechanism will have a stainless steel enclosure, IP55 type.  Wired control cubicle including: ;+ Operating mechanism type: springs charged p;+ Mechanical operation duration:  10,000 times ;+ Anti - pumping device + Local / remote control switch  + 1 closing coil ;+ 2 tripping coils ; ;+ SF6 density meter with alarm/trip contractor and barometric scale or color scale. ;+ Auxiliary contact 12NO/12NC + Auxiliary contacts for charged spring signal and motor control  + Heating and lighting device  + Self - supply voltage: ; ;* Motor: 380/220 VAC and VDC.  Opening and closing coil: 220VDC.Accessories:- Control cabinet.- Gas charging device.- SF6 gas for first filling- Zinc galvanized Supporting structure - Terminal for conductor 185 mm2, earthing terminal- Hand crank- Document for installation, operation, maintenance, and test report.Special note: Bidder provides following document for bid evaluation.- Type test certificate (as per IEC 62271-100).- List of clients.- Operating certificate of clients.- The explanation proves that this type of circuit breaker has advantages in arc quenching principal for breaking small current.- Characteristics short circuit current - times.- Time of first release of such type offered circuit breaker.