VSG -40.5kV Spring Operating Mechanism

VSG -40.5kV Spring Operating Mechanism

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• VSG -40.5kV Spring Operating Mechanism

  This VSG spring operating mechanism is for  VSG-40.5 vacuum circuit breaker, is a type of front indoor high voltage VCB, suitable for 3 phase AC,50 Hz, and rated  voltage of 40.5kV, and applied in places with breaking of different load and frequent operations as protection  and control unit, such as industrial and mining enterprise, power plants and transformer substations.

   

  Working Conditions:
  1. Altitude not exceeding 2000m;
  2. Ambient temperature: -15°c ~+40°c;
  3. Relative humidity: monthly average not exceeding 95%, daily relative humidity not exceeding 95%;
  4. Earthquake level not exceeding 8 class;
  5. Without peril of fire, corrosion gas, explosion, vibration.

  Techinical Data

  Item		Unit	Data
  Rated voltage		kV	40.5
  Rated insulation voltage	1 min power frequency withstand voltage	kV	95
  	Lightning impulse withstand voltage(peak)	kV	185
  Rated frequency		Hz	50
  Rated current		A	1250,1600,2000,2500,3150
  Rated short-time withstand current		kV	25,31.5
  Rate peak withstand current			63,80
  Rate short-circuit duration		S	4
  a.c. component of rate short-circuit breaking current		kA	42
  Rated short-circuit making current		kA	63,80,100
  Mechanical life		time	10000
  Permitted abrasion thickness of moving and fixed contacts		mm	3
  Arcing time		ms	≤15

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  VSG -40.5kV Spring Operating Mechanism

• VSG -40.5kV Spring Operating Mechanism

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