Gas Insulated Switchgear (GIS) 245Kv

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Harmonic and consistent operating mechanism portfolio for circuit breaker as well as for disconnector and earthing switch
Lightweight enclosures of aluminum with good conductivity, no eddy-current losses and a high resistance to corrosion
Proven metal-to-metal flange connections, ensuring high gas tightness and return-current conductivity
Increased personnel safety and electromagnetic compatibility
Short erection times and high reliability, by providing large transport units assembled and tested in the factory
The ways of installation is very flexible either horizontal or vertical

Rated voltage	252kV
Rated current	2000A 2500A 3150A 4000A
Rated frequency	50 Hz
Rated short-time withstand current(3s)	50kA
Rated peak withstand current	125 kA
Rated short-circuit breaking current	50kA
Rated making current	125kA
Rated power frequency withstand voltage(1 min.)	460kV
Rated lightning impulse withstand voltage	1050kV
Leakage rate/ year and gas compartment	≤0.5%
Operating sequence	O-0.3s-CO-180s-CO
Ambient temperature	-25…+40 ℃