With High dielectric level.
◆Modular design which can according to users requirement
◆Adopt separate units as well as dismantling or assembling flexibility
◆The CB adopt double-break structure which also can continuously interrupt rated short-circuit current of 50kA 16times without any maintenance
◆The circuit breaker installed with resistors in parallel per phase as well as mounted with parallel capacitor. Each phase also equipped with a hydraulic operating mechanism which can satisfy very strictly requirement
◆The DS and ES can be directly connected to the busbar or other units separately
◆The mechanism can be operated by the motor operating mechanism, or by the manual hand
◆Lightweight enclosures of aluminum with good conductivity, no eddy-current losses and a high resistance to corrosion
◆ Short erection times and high reliability, by providing large transport units assembled and tested in the factory

Rated voltage

1100kV

Rated current

8000A

Rated frequency

50 Hz

Rated short-time withstand current(3s)

50kA

Rated peak withstand current

135kA

Rated short-circuit breaking current

50kA

Rated making current

135kA

Rated power frequency withstand voltage(1 min.)

1100kV

Rated switching impulse withstand voltage

1800kV

Rated lightning impulse withstand voltage

2400kV

Leakage rate/ year and gas compartment

≤0.5%

Operating sequence

O-0.3s-CO-180s-CO

Ambient temperature

-25…+40 c