VSG-C/12 Series Indoor High Voltage Lateral Type Vacuum Circuit Breaker With VSG Operating Mechanism

• Specification
• Technical Parameter

• VSG-C/12 Series Indoor High Voltage Lateral Type Vacuum Circuit Breaker With VSG Operating Mechanism

  General Description:

  VSG-C/12 lateral type indoor high voltage vacuum circuit breaker used spring to storage energy. The operating mechanism can be operated by two ways, by manual and electromotive operation, The characteristics is according with GB1984-2003 High Voltage AC Circuit Breaker, JB3855-1996 3.6-4.5KV Indoor AC High Voltage AC Circuit Breaker and IEC standard 62271-100:200162271-100:2001 High Voltage AC Circuit Breaker

  Applying Ambient Conditions:

  1. Ambient temperature: -25℃一+40℃
  2. Relative humidity: the average humidity of a day should be no mare than 95％; the average humidity of a month should be no more than 90 ％.
  3. Saturated vapor pressure: the average pressure of a day should be no more than 2. 2kPa, the average humidity of a month should be no more than 1.8kPa.
  4. Earthquake intensity: not exceed 8 degrees.
  5. Height above sea level: ≤1000m(not including special requirements)
  6. Environmental conditions: It should be used in the places without fire, explosion, serious filth, chemical erosion and violent VSL ration.

• Main technical parameters:

  NO.	Item	Unit	Data
  	Type	/	Insulating cylinder/ Epoxy resin embedded poles/ Nylon embedded poles	Upper outlet/ Right outlet
  1	Rated voltage	KV	12
  2	Rated short time power frequency withstand voltage(1min)		42
  3	Rated lighting impluse withstand voltage(peak)		75
  4	Rate frequency	Hz	50
  5	Rated current	A	630,1250	630,1250
  6	Rated short-circuit breaking current	KA	25	31.5
  7	Rated short time withstand current		25	31.5
  8	Rated short-circuit duration	s	4
  9	Rated peak withstand current	KA	63	80
  10	Rated short-circuit closing current		63	80
  11	Power frequency withstand voltage of secondary circuit(1 min)	v	2000
  12	Rated single/ back-to-back capacitor bank breaking current	A	630/400
  13	Switching time	ms	20-50
  14	Closing time		35-70
  15	Mechanical life	time	M2 level 10000(630-125/25-31.5)
  16	Electrical life		E2 level
  17	Moving and fixed contacts allow wear accumulation thickness	mm	3
  18	Rated closing operating voltage	v	AC110/AC220/DC110/DC220
  19	Rate breaking operating voltage
  20	Rated voltage of energy starge motor
  21	Rate power of energy storage motor	w	90
  22	Storage time	s	≤15
  23	Contact distance	mm	11±1
  24	Over stroke		3±1
  25	Rated order of operation	/	O-0.3s-CO-180s-CO

  VSG-C/12  Side mounted vacuum circuit breaker dimensions reference

  

  Overall Outline Drawing

  

  Typical secondary wiring diagram for fixed type vacuum circuit breaker

  
  

  

  Typical secondary wiring diagram for fixed type vacuum circuit breaker