Breaking Capacity: | High Voltage Circuit Breakers |
---|---|
Operation: | Electric Type |
Speed: | Normal Type Circuit Breaker |
Samples: |
high quality ,accept customization
|
---|
Customization: |
---|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
---|
Payment Method: | |
---|---|
Initial Payment Full Payment |
Currency: | US$ |
---|
Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
---|
Suppliers with verified business licenses
summarize
Number | Designation | Unit | Data | ||
1 | rated voltage | KV | 40.5 | ||
2 | rated insulation level | 1min power frequency withstand voltage | Dry test | KV | 80 |
Lightning impulse withstand voltage | Wet test | 185 | |||
3 | rated current | A | 630,1250,1600,2000 | ||
4 | Rated short-circuit breaking current | KA | 20,25,31.5 | ||
5 | Rated operating sequence | Minute -0.3s- combined minute -180s- combined minute | |||
6 | Rated short circuit breaking current number | next | 12 | ||
7 | Rated short-circuit closing current | KA | 50,63,80 | ||
8 | Rated peak withstand current | KA | |||
9 | rated short time current | KA | 20,25,31.5 | ||
10 | rated duration of short-circuit | S | 4 | ||
11 | clearance between open contacts | mm | 22±2 | ||
12 | Contact overtravel | mm | 4±1 | ||
13 | Average opening speed | m/s | 1.5±0.2 | ||
14 | Average opening speed | m/s | 0.7±0.2 | ||
15 | Contact closing bounce time | ms | ≤2 | ||
16 | Three phase station switching synchronous time difference | ms | ≤2 | ||
17 | closing time | ms | ≤150 | ||
18 | opening time | ms | ≤60 | ||
19 | mechanical life | next | 10000 | ||
20 | Rated operating voltage Rated voltage of the auxiliary loop | V | DC110/220,AC110/220 | ||
21 | Dc resistance per phase loop | ≤100 | |||
22 | reset | kg | 800 |
1. who are we?
Suppliers with verified business licenses