GW22-252 Outdoor AC Disconnector
Application: In 252kV power system, to separating the circuits under off-load status, set up air electrical clearning between the tested electrical apparatuses and electrified circuit.
Standards: IEC 62271-102
Parameters: Rated voltage: 252kV.
Rated current: 3150, 4000A.
Rated short time withstand current, 3s: 50kA.
Features: 1.With the min. phase distance and vertical length compared with similar products.
2.With high mechanical intensity and light by adoption of aluminum alloy at the conductive part.
3.Reliable operation.
4.Influence of the environment reduced with the operation mechanism and balancing spring sealed in tubes.
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protection of circuits against short-circuit currents,protection of circuits against overload currents,switch,isolation.
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A class tripping is ensured for sinusoidal, alternating residual
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Tripping is ensured for sinusoidal AC residual currents pulsed DC residual currents, alternating residual sinusoidal currents up to 1000Hz, pulsating direct residual currents and for smooth direct residual currents, whether applied suddenly or increasing slowly.
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Personnel and fire protection: Cable and line protection against overload and short-circuits.
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Rated residual operating current
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