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Product Details:
Category：Vacuum Circuit Breaker
Name：Outdoor high voltage circuit breaker
Model：ZW8-12 (12kV, 630A)
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
Technical Data
| 1 | Rated voltage | KV | 12 | ||
| 2 | Rated insulation level | 1 min power frequency withstand voltage ( electrode, ground/fracture) | Dry | 42/49 | |
| Wet | 34 | ||||
| Lightning shock compression (electrode, on the ground) | 75 | ||||
| Lightning shock compression(fracture) | 85 | ||||
| 3 | Rated frequency | HZ | 50 | ||
| 4 | Rated current | A | 630 | ||
| 5 | Rated short circuit breaking current | KA | 20 | ||
| 6 | Rated short circuit making current (peak) | KA | 50 | ||
| 7 | Rated short time withstand current | KA | 20 | ||
| 8 | Rated short circuit closing current peak | KA | 50 | ||
| 9 | Mechanical life | Times | 30000 | ||
| 10 | Rated operating sequence | off-0.3S-on
off-180S -on/off |
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| 11 | Rated closing voltage of operation mechanism | V | 110,220 | ||
| 12 | Rated closing voltage of operation mechanism | V | 110,220 | ||
| 13 | Rated short circuit breaking current breaking times | Times | 30 | ||
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