Specifications
1.rated voltage :12kV
2.three-phase AC 50/60Hz
AC HV Disconnect Switch
•summary:
1.GN30-12(D) disconnec t switch is an indoor electric apparatus of rated voltage 12kV, three-phase AC50/60Hz
2.It is used to make break and transfer current for HV ele ctric apparatus under situations with voltage and no-load
3.The switch appl ies rotary moving contact which is mounted on the switchgear easi ly.
4.It adopts wal l through instal lation as well.
•specification:
Data | GN30-12/400-12.5 | GN30-12/630-20 | GN30-12/1000-31.5 | GN30-12/1250-31.5 | GN30-12/(1600-3150)-40 | ||
GN30-12D/400-12.5 | GN30-12D/630-20 | GN30-12D/1000-31.5 | GN30-12D/1250-31.5 | GN30-12D/(1600-3150)-40 | |||
Rated voltage(kv) | 12 | ||||||
Rated current(A) | 400 | 630 | 4 | 1250 | 1600-3150 | ||
Rated short-time withstand current(KA) | 12.5 | 20 | 1000 | 31.5 | 50 | ||
Rated peak withstand current(kA) |
|
| 31.5 |
|
| ||
Rated short-circuit duration(s) | 31.5 | 50 | 80 | 80 | 100 | ||
Rated insulating level | 1min.PF withstand voltage(kv) | Phase to phase /to earth:42,across open contacts:49 | |||||
Lightning impulse withstand voltage(kv) | Phase to phase/to earth:75,across open contacts:85 | ||||||
