vacuum circuit breaker
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Quality/Safety Certification: 0.00
three phase vacuum circuit breaker
reliable seal, aging resistance, flame resistance, explosion resistance,convenient debugging
It can also be used to control energy storage and switch-on/off manually . The breaker is suitable for the place where frequent operation is allowed .The breaker has the performance of reliable seal , aging resistance , explosion resistance , long mechanical life , simple installation an convenient debugging .
Technical data:
| ZW7-40.5 Outdoor high voltage vacuum circuit breaker | ||||
| Name | Unit | Value | ||
| Rated voltage | kV | 40.5 | ||
| Rated current | A | 1600 | ||
| Rated short-circuit breaking current | KA | 31.5 | ||
| Rated short-circuit breaking current(peak) | 80 | |||
| Rated short time withstand(thermal stability) current | 31.5 | |||
| Rated short time withstand(dynamic stability) current | 80 | |||
| Rated short-circuit duration | s | 4 | ||
| Rated insulating level | Power frequency withstand voltage(1min) | Dry | kV | 95 |
| Wet | kV | 80 | ||
| Lighting impulse withstand voltage(peak) | kV | 185 | ||
| Rated operating sequence | O-0.3s-CO-180s-CO | |||
| Breaking time of rated short-circuit breaking current | times | 20 | ||
| Breaking time(with spring operating mechanism) | ms | ≤80 | ||
| Mechanical life | times | 10000 | ||
| Rated operating voltage | V | AC220 DC220 | ||
| Clearance between contacts | mm | 20+30 | ||
| Over stroke of contacts | mm | 5±1 | ||
| Bounce time | ms | ≤5 | ||
| Loop DC resistance of each phase | μ Ω | 120 | ||
| Outline dimension of breaker(length×width×height) | mm | 2200×700×2500 | ||
| Total weight of breaker(with operating mechanism) | kg | 1100 | ||
Outline dimension:
