VBI-C-12KV Medium Voltage Side Mounted Vacuum Circuit Breaker

VBI-C-12KV Medium Voltage Side Mounted Vacuum Circuit Breaker

 

 

• Specification
• Parameter
• Drawing
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• VBI-C-12KV Medium Voltage Side Mounted Vacuum Circuit Breaker

  Summary

  VBI type vacuum circuit breaker conforms to national standard GB1984-2003 HV Vacuum Circuit Breaker, JB3855-1996<3.6-40.5kV indoor AC high voltage vacuum circuit breaker>, DL/T403-2000<12kv-40.5kv HV vacuum circuit breaker ordering technical conditions>, and IEC62271-100:2001 high voltage AC circuit breaker relevant regulations.

  Applying ambient conditions

  1. Ambient temperature is not greater than +40 ℃, not less than -10 ℃ (allow storage at -30 ℃);

  2. Altitude below 1000m;

  3. Daily average daily relative humidity of not more than 95%, the monthly average of not more than 90%; saturated vapor pressure daily average of not more than 2.2 * 10-3MPa, the monthly average of not less than 1.8 * 10-2MPa, When the temperature drops sharply, it may condense;

  4. Earthquake intensity does not exceed 8;

  5. No fire, explosion, serious pollution, chemical corrosion and severe vibration of the place.

• Main Technical Specification

  NO.	Name	Unit	data
  *	Type	/	口Insulating cylinder 口Epoxy resin embedded poles 口Nylon embedded poles		口Upper outlet 口Side outlet
  1	clearance between open contacts	mm	11±1
  2	overtravel		3±0.5
  3	Interphase center distance		210±1
  4	Contact closing bounce time	ms	≤2
  5	Three phase switching and switching out of synchronism		≤2
  6	Opening time		≤50
  7	Closing time		≤100
  8	Average switching speed (6mm after contact separation)	M/S	0.9~1.3
  9	Average closing speed (6mm before contact closing)		0.4~0.8
  10	Closing contact pressure	N	25KA	31.5KA
  			2200±200	3200±200

   

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  VBI-C-12KV Medium Voltage Side Mounted Vacuum Circuit Breaker

   

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