ZN63-12(VS1-12)indoor high voltage vacuum circuit breaker for switchgear 12kV

ZN63-12(VS1-12)indoor high voltage vacuum circuit breaker for switchgear 12kV

ZN63-12(VS1-12)indoor high voltage vacuum circuit breaker for switchgear 12kV

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• ZN63-12(VS1-12)indoor high voltage vacuum circuit breaker for switchgear 12kV

  This technical specification stipulate the requirement of ZN63-12(VS1-12)/T1250-31.5 model indoor AC HV vacuum circuit breaker in use condition, technical parameter, design structure, test method, test rule, packing, transportation, and storage etc.
  This technical specification is applicable for ZN63-12(VS1-12)/T1250-31.5 model indoor AC HV vacuum circuit breaker. This VCB can be used in indoor site with three phases, 50Hz, rated voltage 12KV. It mainly serves in mineral enterprise, power plant and substation for control and protection of electric equipment. It can be installed both in trolley type switchgear and fixed type switchgear. This VCB has merits of long life, easy maintenance, no pollution, no explosion, low noise etc, and it is fit for use in stringent work condition with frequent operation etc.

  Main technical data

  ITEM			UNIT	DATA
  Rated voltage			kV	12
  Rated current			A	1250
  Rated frequency			Hz	50
  Rated insulation level	Lightning impulse withstand voltage	Phase to  phase, phase to earth	kV	75
  		Insulating distance of contact		85
  	1min power frequency withstand voltage	Phase to phase, phase to earth		42
  		Insulating distance of contact		49
  4s rated short time withstand current			kA	31.5
  Rated short circuit break current				31.5
  Rated peak value withstand current				80
  Rated short circuit making current				80
  Rated operation sequence			O-0.3s-CO-180s-CO
  Break times of rated short circuit current			Times	50
  Mechanical life				20000
  Break current of rated different phases earth fault			kA	27.4
  Break current of rated single capacitor bank			A	400
  Break current of rated back to back capacitor bank				400
  Rated open operation voltage/current			V/A	DC(AC)220/1.1 DC(AC)110/2.2
  Rated making operation voltage/current				DC(AC)220/1.1 DC(AC)110/2.2
  Release work current of rated transient over current			A	5
  Rated circuit of secondary circuit			V	DC(AC)220 DC(AC)110
  Rated voltage of energy storage motor				DC(AC)220 DC(AC)110
  Rated output power of energy storage motor			W	50
  Energy storage time			s	≤10
  1min power frequency withstand voltage of secondary circuit			V	2000
  Insulating distance of contact			mm	11±1
  Overtravel of contact				3+1 0
  Center distance between  different poles				210±1
  Allow abrasion thick of contact				3
  Average opening speed			m/s	1.2±0.2
  Average closing speed				0.7±0.2
  Contact closing jump time			ms	≤2
  Close/open synchronized of three phases				≤2
  Main circuit resistance			μΩ	≤55
  Opening time			ms	25～60
  Closing time				35～75
  Operation characteristic of operation mechanism			65%～120% rated voltage	Reliable open/close
  			≤30% rated voltage	Can not open

• ZN63-12(VS1-12)indoor high voltage vacuum circuit breaker for switchgear 12kV

  

  draw out type ZN63-12(VS1-12)indoor high voltage vacuum circuit breaker for switchgear 12kV

  

  fixed type ZN63-12(VS1-12)indoor high voltage vacuum circuit breaker for switchgear 12kV

   

• ZN63-12(VS1-12)indoor high voltage vacuum circuit breaker for switchgear 12kV

  

  details ZN63-12(VS1-12)indoor high voltage vacuum circuit breaker for switchgear 12kV

   

   

  About us

  We are specialty on providing medium voltage and high voltage circuit breaker and switchgear components, such as 12KV, 24 KV, 36KV and 40.5KV embedded cylinder,insulated operating rod,auxiliary circuit socket,counter,circuit breaker board,vacuum circuit breaker plastic panel,connection terminal,vacuum circuit breaker and so on.These components apply on 630A, 1250A, 2500A, 3150A and 4000A VS1 (ZN85-40.5) circuit breaker and KYN28A-12 and KYN61 high voltage switchgear.
  Our Advantages

  1. Strict quality control and excellent after-sales service.
  2. Experienced staffs answer all of your question in fluent English.
  3. Customized design is available. OME&ODM are welcomed.
  4. Exclusive and unique solution can be provided to our customer by our well-trained and professional engineers and staffs.

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