Indoor Three Phase AC High Voltage 12KV Load Isolating Break Switch
FN7- 12DR Model Indoor AC HV Load Switch is suitable in 50Hz, rated
voltage of 12Kv the three- -phase AC power system as the breaking
load short-circuit current of the power and used the Closing, until
the combination of electrical short-circuit current can be breaking
any current can be used as protection purposes.
| Rated voltage(KV) | 12 |
| Insulation level | 1min frequency voltage(KV) | Phase to phase,to earth 42 | Isolation fracture48 |
| Lightning impulse withstand voltage(KV) | Phase to phase,to earth 75 | Isolation fracture85 |
| Rated current(A) | 400 | 630 |
| 4S Rated thermal current(KA) | 12.5 | 20 |
| Rated active load breaking current(KA Peak) | 31.5 | 50 |
| Rated short circuit making current(KA peak) | 31.5 | 50 |
| Ambient condition | 1. The altitude: under 1000M. 2. The ambient temperature: -25℃-+40℃. 3. The relative humidity of air: monthly≤90%, daily≤95%. 4. Ampitude: Earthquake degree 8. 5. Aplication occasions should free from fire, inflammables,
explosives,corrosives and severe vibration. |
About us: Suntech Power Tools, which located in the southeast China, it is the earliest
origin Power Tools Leading City in China.We are making the various
related cable pulling tools, and hydraulic tension and puller to
support the transmission work.All canaccept OEM and professionally
produced per ISO 9001:2008, they are being sold to over more than
50 countries in the world,and has wined the best brand reputations.
Some items like the stringing blocks,cable rollers,the cable jack
stands,etc we can customized, and the Construction Safety Tools
,are not demanded the MOQ. You can freely help you out either
