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LW-550/Y5000-63 HV SF6 Circuit Breaker


1 Overview
  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.
2 Service and Installation Conditions
  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)