Product Details


Main Technical Parameters:

ProjectUnitParameter
Rated frequencyHz50
Rated currentA630/1250
Rated short-time withstand currentkA
20/25
Rated peak withstand currentkA
50/63
Rated short-circuit durations4
Rated short-circuit closing currentkA50/63
Mechanical operating lifeTimes5000

Usage Conditions:

  • Altitude: not more than 2000m;
  • Earthquake intensity: not more than 8 degrees;
  • Air temperature: -30℃ ~40℃;
  • Relative temperature: daily average not more than 95%, monthly average not more than 90%;
  • Installation site: It is not suitable for installation in places with frequent severe vibration, water vapor, gas, chemical corrosive deposition, salt spray, dust and dirt and fire, and explosion hazards that obviously affect the performance of the mechanism.


circuit breaker with two-position load switch
Altitude: not more than 2000m;

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