Indoor Three Phase HV 12KV AC Load Break Switch
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.
|
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.