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Product Details:
Category：Outdoor SF6 Switchgear
Name：SF6 Circuit Breaker
Model：LW8A-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:
– Ambient temperature: -30℃~+40℃
– Altitude: not exceed 1000m.
– Wind pressure: ≤700Pa
– Relative humidity:
Daily average relative humidity: ≤95%; Monthly average relative humidity≤90;
Daily average saturated vapor pressure ≤2.2KPa; Monthly average value ≤1.8KPa
– Earthquake intensity: ≤8 degree
– No fire, explosion, severe vibration, chemical corrosion and serious pollution
Technical Data
| Rated voltage | KV | 40.5 | |
| Rated insulation level | Lightning impact withstand voltage(full wave peak) | 185/215(isolating break) | |
| 1min power frequency withstand voltage | 95 | ||
| Rated current | A | 1600, 2000 | |
| Mechanical life | Times | 3000 | |
| Rated SF6 gas pressure(at 20℃) | Mpa | 0.45 | |
| Self-locking pressure(at 20℃) | 0.45 | ||
| Lowest working ambient temperature | ℃ | -30 | |
| Rated short circuit breaking current | KA | 25, 31.5 | |
| Rated short circuit making current(peak) | 63, 80 | ||
| Rated short withstand current(Thermal steady current) | 25, 31.5 | ||
| Rated peak withstand current(dynamic steady current) | 63, 80 | ||
| Rated out-of-phase breaking current | KA | 63, 80 | |
| Duration of rated short circuit current | S | 4 | |
| Closing time(at rated operating voltage) | ≤1 | ||
| Opening time(at rated operating voltage) | ≤0.07 | ||
| Rated operating sequence | (O)-0.3S-(CO)-180S-(CO) | ||
| Rated breaking/making single capacitor bank current | A | 400 | |
| Nos of breaking rated short circuit breaking current | times | 15, 10 | |
| Yearly gas leakage | % | ≤1 | |
| Water content in SF6 (at 20℃) | PPM(V) | ≤150 | |
| Rated voltage of assemblied spring operating mechanism | V | -220 | |
| Voltage of closing coil, opening coil | AC:220, DC:220 | ||
| Voltage of charging motor | V | AC:220, DC:220 | |
| SF6 Weight | KG | 8 | |
| Breaking weight including operating mechanism | 1400 | ||
Outline Dimension
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