Vsg1-12 Vacuum Circuit Breaker, Indoor Type

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Zhejiang Jicheng Electric Co., Ltd

VIP   Audited Supplier 2 years
Profile Certified by SGS/BV
Vsg1-12
High Voltage Circuit Breakers
Electric Type
Normal Type Circuit Breaker
Vacuum
Withdrawable
Vcb
3 Pole
Circuit Breaker
Short-Circuit
ISO9001-2000, CCC
JI CHENG
Export Wooden Case
Wen Zhou
8535210000
Product Description

Product Description

Product Description

VSG1-12 Vacuum Circuit Breaker, Indoor type
1.General
1.1 Ratings:rated voltage 12KV, rated current 630A~1250A, AC50HZ
1.2 Application: for the control and protection of substation and equipments; making and breaking short-circuit current under various operating status of electric network.
1.3 Standard: IEC62271-100
2. Type and Interpretation
3. Working condition
3.1 Ambient air temperature: -25~40ºC
3.2 Altitude:≤2000m
3.3 No operating in such as subject to dust, dirt, smog, corrosive/flammable gas, vapor and salt pollution.
3.4 Humidity: Daily average value ≤95%
                      Monthly average value ≤90%
3.5 Water vapor pressure: Daily average value ≤2.2Kpa
3.6 The external shocking and earthquake could be neglected.
3.7 The amplitude of electromagnetic interference in the secondary system ≤1.6KV
Note: Customized products are available on your requirements.
4.Main technical parameter
ItemUnitData
Rated voltageKV12
Rated              1min power frequency withstand voltage(vacuum open contacts)
insulation         Lightening impulse withstand voltage(vacuum open contacts)
level
KV
KV
42
75
Rated frequencyHZ50
Rated currentA630,1250
Rated short-time withstan currentKA16,20,25, 31.5
Rated withstand current(peak)KA40,50,63
Rated short-circuit breaking currentKA16,20,25
Rated short-circuit making currentKA40,50,63
Rated duration of short-circuitS4
Rated operating sequence O-0.3S-CO-180S-CO
Mechanical life M2 class(30000times)
Rated voltage of operating power AC 220/DC 220
Full breaking time ≤70
Electrical life E2 class
5.Overall and Installation Dimension
5.1 overall and installation dimension of fixed type circuit breaker

Vsg1-12 Vacuum Circuit Breaker, Indoor Type

Alternative parameters table1
Rated voltageRated currentRated short-circuitPABD
KVKAbreaking current, KAmmmmmmmm
12630,125020,25,31.515020410450
Alternative parameters table2                           
Rated voltageRated currentRated short-circuitPABCDW
KVKABreaking current, kAmmmmmmmmmmmm
 63020,25     35
12630,125020,25,31.5,4015049445649050249
 
Series NumberSymbolNameRemark
1YQ-Y9Indirect over-current releaseChosen  element
2Y1-Y4Rectifier element 
3KOInner mechanism anti-jumping relay 
4PHandle operation mechanism 
5Y1blocking eletromagnetChosen element
6HQClosing release 
7TQBreaking release 
8MEnergy storing engine 
9S9assistant switch used at operation position 
10S8assistant switch used, at test positinChosen element
11S2Blocking electromagnet assistant switch 
12S1Inching switch for energy storing 
13QFassistant switch of breaker contact 

Performance parameters

Detailed Photos

High overload distribution transformers
Product overview
In recent years, with the increasing mobility of the population, the hot season, and distribution transformers in rural areas during the Spring Festival period of severe overload short run problem of rural electricity appears. In order to solve such problem of electricity, the company response to the State Grid  Corporation of China in recent years advocated actively develop rural power distribution transformers and high overload capacity application work, we developed a high overload capacity distribution transformers.
High overload capacity integrated rural power distribution transformer station area based on typical load characteristics, high overload distribution transformer overload performance will meet the 1.5 times the rated capacity  of six hours, 1.75 times the rated capacity of 3 hours, 2.0 times the rated capacity of one hour of continuous operation stage design requirements, and does not affect the normal life of the

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Company Profile

 
 
  Jicheng Electric Co.. Ltd.is a modern technology companyintegrating R&D,production and sales of electrical equip-ment.it mainly produces high and low voltage complete setsofequipment,box type substations, power transformers, andDC panels.
   The company is market-oriented and actively develops newvarieties with independent intellectual property rights andbright science and technology.Products are moving towardszero defects.The company's full implementation of "customeisatisfaction project" has specifically established a strongtechnical after-sales service team to solve various technicaproblems for customers
    Faced with the challenges of economic globalization, Kyrgyz-stan has a far-sighted vision. With its brand as its banner andits science and technology as the driving force,it isdetermined to base itself on industrial electrics and adhere tothe development direction of "internationalization, scienceand technology,andindustrialization."
    The company'sbroad-mindedness and positive response to the country'scall for the development of electric power for the benefit ofmankind have created a new gloryin the electric powerindustry
 
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