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LW-550/Y5000-63 HV SF6 Circuit Breaker

This product is three-phase AC 50Hz outside HV switch, applies to control and protect of 550kV transmission system, and also can be used as circuit breaker and opening&closing capacitor bank, and meets GB7674--1997 and IEC60517.

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Environment temperature: -40℃~+40℃
Altitude:≤1000m(No limitation for special order)
Max. wind pressure: ≤700Pa (Equivalent wind speed 34m/s)
Icing thickness: ≤ 20mm
Seismic intensity: 8 degree
Sunlight intensity: 0.1W/cm (while wind speed is 0.5m/s)
Contamination Level: III (25mm/kV)