Summary
VS1(ZN63A)-12/24 Model indoor AChigh voltage vacuum circ uit breaker isatype of holistic and completelysealed HV switchgear,it has compactabledimensionand small volume.The VCB applies to power system of ratedvoltage 12kV,three-phase andAC50/60Hz.It is applicable in occasions withfrequent operations,acting to protect and control line and electric appar atus.The product conformsto IEC62271,GB1984,JB3855 and DL1403 and pasesKEMA test.
Ambient condition
- Altitude: 1000m;
- Ambient temperature: -25 ~+40 ;
- Relative humidity: daily average 95 , monthly average 90 ;
- Earthquake intensity: 8 degree;
- Applicable occasions should free from inflammables, explosives, corrosives and severe vibration.
Model
Product feature
1. Holistic structure
2. Sealed spark chamber
3. Effective vacuum arc-extinguish
4. Good mechanical behavior
5. Various mounting approach
Technical specification
| No. | ltem | Unit | Data | ||||||
| 1 | Rated voltage | kV | 12/24 | ||||||
| 2 | Rated frequency | Hz | 50/60 | ||||||
| 3 | Rated current | A | 630,1000,1250 | 1600 | 2000,2500,3150 | 4000 | |||
| 4 | Rated short-circuit breaking current | kA | 20 | 25 | 31.5 | 31.5 | 40 | 40 | 50 |
| 5 | Rated short-circuit making current | kA | 50 | 63 | 80 | 80 | 100 | 100 | 125 |
| 6 | Rated short-time withstand current | kA | 20 | 25 | 31.5 | 31.5 | 40 | 40 | 50 |
| 7 | Rated peak withstand current | kA | 50 | 63 | 80 | 80 | 100 | 100 | 125 |
| 8 | Rated pull-out breaking current | kA | 12.6 | 12.6 | 16 | 16 | 20 | ||
| 9 | Rated out-of-phase earthing fault breaking current | kA | 17.4 | 21.7 | 27.4 | 27.4 | 34.7 | 34.7 | 43.5 |
| 10 | Rated short-circuit breaking current breaking time | Times | 50 | 30 | 30 | 12 | |||
| 11 | Rated operation sequence | O-0.3s-CO-180s-CO | O-180s-CO-180s-CO | ||||||
| 12 | Rated breaking current of single capacitor bank | A | 630 | ||||||
| 13 | Rated breaking current of back to back capacitor bank | A | 400 | ||||||
| 14 | 1min.PF withstand voltage | kV | Phase to phase/to earth:42,across open contacts:48 | ||||||
| 15 | Lightning impulse withstand voltage | kV | Phase to phase/to earth:75,acrossopen contacts:85 | ||||||
| 16 | Mechanical life | Times | 20000 | ||||||
| 17 | Closing time | ms | ≤75 | ||||||
| 18 | Opening time | ms | ≤60 | ||||||
| 19 | Power storage time under rated voltage | S | ≤10 | ||||||
Product structure
Diagram 1 Outline dimension of handcart type VS1 applies to 800mm width panel
| Ratedcurrent(A) | 630 | 1000 | 1250 | 1600 | 2000 | 2500 | 3150 | 4000 |
| Rated short-circuit breaking current(kA) | 2,025 | 20,25,31.5 | 20,25,31.5 | 31.5 | 31.5,40 | 31.5,40 | 40 | 4050 |
| Size of static contact (mm) | φ35 | φ35 | φ49 | φ55 | φ79 | φ109 | φ109 | φ109 |
Diagram 2 Outline dimension of fixed type VS1 applied to 800mm width panel
Note: the size inside bracket is applied to1000mm width panel; rated current: 2000A~4000A.
| Rated current (A) | 630 | 1000 | 1250 | 1600 | 2000 | 2500 | 3150 | 4000 |
| Rated short-circuit breaking current(kA) | 2025 | 20,25,31.5 | 20,25,31.5 | 31.5 | 31.5,40 | 31.5,40 | 40 | 4050 |