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Product Details:
Category：Vacuum Circuit Breaker
Name：Outdoor high voltage circuit breaker
Model：ZW7-40.5
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:
1. Ambient temperature: not higher than +40 °C, not less than -35°C
2. Altitude: not exceed 1000m.
3. Relative humidity: daily average of not more than 95%, month average of not more than 90%.
4. Earthquake intensity: not more than ten.
5. No fire, explosion hazard, serious filthy, chemical corrosion, as well as places of intense vibration.
Technical Data
| 1 | Rated Voltage | KV | 40.5 | ||
| 2 | Rated current | A | 1250 | ||
| 3 | Rated short-circuit breaking current | kA | 31.5 | ||
| 4 | Rated short-circuit switching current (peak) | 80 | |||
| 5 | Rated short time withstand (thermal stability) current | 31.5 | |||
| 6 | Rated short time withstand (dynamic stability) current | 80 | |||
| 7 | Rated short-circuit duration time | s | 4 | ||
| 8 | Rated insulating level | Power frequency withstand voltage (1 min) | Dry-type | KV | 95 |
| Wet-type | 80 | ||||
| Lightning impulse withstand voltage (peak) | KV | 185 | |||
| 9 | Rated operating sequence | O-0.3s-CO-180s-CO | |||
| 10 | Breaking time of rated short-circuit breaking current | Times | 20 | ||
| 11 | Breaking time (with spring operating mechanism) | ms | ≤80 | ||
| 12 | Mechanical life | times | 10000 | ||
| 13 | Rated operating voltage | V | AC220 DC220 | ||
| 14 | Clearance between contacts | mm | 20+30 | ||
| 15 | Over stroke of contacts | mm | 5±1 | ||
| 16 | Bounce time | ms | ≤5 | ||
| 17 | Loop DC resistance of each phase | μΩ | 120 | ||
| 18 | Outline dimension of breaker (L*W*H) | mm | 2200*700*2500 | ||
| 19 | Total weight of breaker (with operating mechanism) | KG | 1100 | ||
Outline Dimension
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