Description
Products
LATEST POSTS.
Product Details:
Category：Vacuum Circuit Breaker
Name：Outdoor Boundary Load Break Switch
Model：FZW28-12
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
1. Altitude: not higher than 2000m.
2. Air temperature: -40℃ to +85℃
3. Relative humidity: monthly average ≤90%, daily average: ≤95%
4. Earthquake intensity: ≤ 8 degree
5. Pollution Class: 3 degree
6.Icing thickness:10mm
7.Wind pressure: no more than 700Pa( equal to wind speed 34m/s)
Technical Data
| Rated voltage | KV | 12 | |
| Rated current | A | 630 | |
| Rated frequency | HZ | 50 | |
| Rated short-time withstand current (4s) | KA | 20 | |
| Rated short-circuit closing current (peak) | KA | 50 | |
| Operation voltage | V | AC220 (80%-110%) | |
| Power frequency withstand voltage(1min) | To earth | KV | 50 (GB.42) |
| Phase to phase | 50 (GB.42) | ||
| Fracture | 50 (GB.48) | ||
| Lightning impulse withstand voltage | To earth | KV | 95 (GB.75) |
| Phase to phase | 95 (GB.75) | ||
| Fracture | 110 (GB.84) | ||
| Insulation resistance | To earth | 2000 | |
| Phase to phase | 2000 | ||
| Fracture | 2000 | ||
| Main loop resistance per phase | ≤500 | ||
| Working life under rated current | Times | 10000 | |
| Weight | KG | 185 | |
| Three phase contact closing and opening non-synchronism | ms | ≤2 | |
| Contact closing bounce time | ms | ≤5 | |
| Closing time | ms | 120-180 | |
| Opening time | ms | 500-900 | |
| Contact travel | mm | 8-9 | |
| Contact overtravel | mm | 2.5-4 | |
| Isolation fracture distance | mm | 25-30 | |
| Isolation fracture over line distance | mm | 7-14 | |
| SF6 Leakage per year | ＜1% | ||
| SF6 Gas moisture content | PPm | ＜2 | |
| Standard | IEC265-1 | ||
Outline and Dimension
Product Inquiry
