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Product Details:
Category：Vacuum Circuit Breaker
Name：Indoor high voltage circuit breaker
Model：ZN63(VS1)-12
Packing：Plastic bag & Wooden case or as requested
Delivery & Payment Terms:
Shipping time： Usually 30 days after the ordered confirmed
Payment：T/T, L/C, Western Union or Paypal
Trade term：FOB China port, or CIF
Environment Condition:
– Ambient temperature:-15℃~+40℃
– Altitude: ≤1000m
– Daily average relative humidity: ≤95%
– Monthly average relative humidity: ≤90%
– Earthquake intensity: ≤10 degree
– No fire, explosion, severe vibration, chemical corrosion and serious pollution
Technical Data
| 1 | Rated voltage | KV | 12 |
| 2 | Rated frequency | HZ | 50/60 |
| 3 | Rated Current | A | 630,1250,1600, 2000, 2500, 3150 |
| 4 | Rated short-circuit breaking current | KA | 20, 25, 31.5, 40 |
| 5 | Rated short-circuit closing current (peak) | KA | 50, 63, 80,100 |
| 6 | Rated short time withstand current | KA | 20, 25, 31.5, 40 |
| 7 | Rated short-circuit duration | s | 4 |
| 8 | Nos. of rated short-circuit breaking current | Times | 50 (30 above 40KA) |
| 9 | Rated operating sequence | 0-0.3s-CO-180s-CO/
0-180s-CO-180s-CO(Above 40KA) |
|
| 10 | Rated lightning impulse withstand voltage | KV | 75 |
| 11 | 1min power frequency withstand voltage | KV | 42 |
| 12 | Closing time | ms | ≤ 70 |
| 13 | opening time | ms | ≤ 50 |
| 14 | Mechanical life | Times | 30000 |
| 15 | Rated breaking current of single capacitor bank | A | 630 |
| 16 | Rated breaking current of back to back capacitor bank | A | 400 |
| 17 | Contact open distance | mm | 11±1 |
| 18 | Contact Over-travel | mm | 3.5±1 |
| 19 | Rated switch-on/off operating voltage | V | AC110/220,DC110/220 |
| 20 | Switch-off (rated voltage) | ms | 20~60 |
| 21 | Switch-on (rated voltage) | ms | 30~70 |
| 22 | Motor rated power | W | 70 (above 40KA: 100W) |
| 23 | Closing speed | m/s | 1.0±0.2 |
| 24 | Opening speed | m/s | 1.3±0.2 |
| 25 | Contact closing spring time | ms | ≤2 |
| 26 | Rated contact pressure | N | 20KA(2400±200) 25KA (2400±200) 31.5KA(3100±200) |
| 27 | Three phase closing opening asynchrony | ms | ≤2 |
Outline Dimension
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