ZFN22-12 Series Indoor H.V. Load Switch
ZFN22-12 Series Indoor H.V. Load Switch
Summary
It is used in three phase power distribution of AC 50Hz, rated voltage 12KV, with the features of advanced design, simple operationimpact structuresmart appearancelight weightlong lift-tmiestrong on-and-off ability and high reliability. Equipped with the fuse, it can take the place of the high-cost circuit breaker and easy to operate and maintain.
Service condition
1. The altitude does not exceed 1000m.
2. The ambient air temperature: Max.: +40 . Min: -25 .
3. The relatire humidity of air: monthly average ≤ 90 . daily average ≤ 95%.
4. The working situation have no conductivity dust, corrosive gas and steam.
5. The working situation have no explosive danger and fire.
6. The working situation have no violent shaking and the gradient below 3°.
Technical parameter
Number | Name | Unit | Parameter | |
1 | Ratedvoltage | kV | 12 | |
2 | Ratedcurrent | Loadswitch | A | 630 |
Switch | 125 | |||
3 | Ratedshort-circuitcontrollingcurrent | kA | 50 | |
4 | Ratedshort-circuitbreakingcurrent | kA | 31.5 | |
5 | Ratedpowerloadbreakingcurrent | A | 630 | |
6 | 4Sheat-stablingcurrent | kA | 20 | |
7 | Machine-stablingcurrent | kA | 50 | |
8 | 1minpowerfrequencywithstandvoltage | kA | 42(Break48) | |
9 | Lightingimpulseresistingvoltage | kA | 75(Break85) | |
10 | Mechanicallife | Times | 3150 | |
11 | Ratedtake-overcurrent(switchwithfuse) | A | 10000 | |
12 | Motoroperatingpowervoltage | V | ACDC | |
