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Product Details:
Category：Vacuum Circuit Breaker
Name：Outdoor high voltage circuit breaker
Model：ZW10-12
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
Environmental conditions
– Ambient temperature: -40℃~ +40℃
– Altitude: ≤2000m
– Wind pressure: ≤700Pa(equals to wind speed 34m/s)
– Relative humidity: monthly average 90%, daily average 95%
– Air contamination degree: III degree
– Ambient air should not be contaminated by corrosive gases or flammable gases
– No frequent violent vibration
– Silicone rubber as insulation media shall comply with GB655386 standard
Technical Data
| 1 | Rated voltage (KV) | 12 | |
| 2 | Rated current (A) | 630 | |
| 3 | Rated frequency (HZ) | 50 | |
| 4 | Power frequency withstand voltage (KV) | 42/48 | |
| 5 | Lightning impulse withstand voltage (peak) (KV) | 75/85 | |
| 6 | Rated short circuit breaking current (KA) | 20 | |
| 7 | Lightning impulse withstand voltage (peak) (KA) | 50 | |
| 8 | Rated short time withstand current (KA) | 20 | |
| 9 | Rated peak withstand current (KA) | 50 | |
| 10 | Rated operating sequence | O-0.3s-CO-180S-CO | |
| 11 | Nos of breaking rated short circuit breaking current (Times) | 30 | |
| 12 | Mechanical life (Times) | 10000 | |
| 13 | Permissible abraded thickness of moving contact (mm) | 3 | |
| 14 | CT operating mechanism(v) | Closing coil | 220V(DC or AC) |
| Opening coil | |||
| 15 | Rated current of over-current release(A) | 5 | |
| 16 | Primary secondary current ratio of current transformer | 100/5,200/5,300/5,400/5,630/5 | |
| 17 | Charging motor | Rated voltage(V) | (DCorAC)220V |
| Power(W) | ≤200 | ||
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