Vsg1-12 Vacuum Circuit Breaker, Indoor Type

Vsg1-12 Vacuum Circuit Breaker, Indoor Type

VSG1-12 Vacuum Circuit Breaker, Indoor type 1.General1.1 Ratings:rated voltage 12KV, rated current 630A~1250A, AC50HZ1.2
Basic Info
Model NO. VSG1-12
Poles Number 3 Pole
Type Circuit Breaker
Function Short-Circuit
Certification ISO9001-2000, CCC
Transport Package Plywood
Trademark Talent
Origin China
HS Code 8535210000
Production Capacity 5000 Pieces/Year
Product Description
VSG1-12 Vacuum Circuit Breaker, Indoor type
1.General1.1 Ratings:rated voltage 12KV, rated current 630A~1250A, AC50HZ1.2 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: IEC62271-1002. Type and Interpretation3. Working condition3.1 Ambient air temperature: -25~40ºC3.2 Altitude:≤2000m3.3 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 ≤2.2Kpa3.6 The external shocking and earthquake could be neglected.3.7 The amplitude of electromagnetic interference in the secondary system ≤1.6KVNote: 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)levelKVKV4275
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 Dimension5.1 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