(GN30-12(D) Rotary Indoor AC Hv Disconnect Switch
(GN30-12(D) Rotary Indoor AC Hv Disconnect Switch image
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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 easily.
4. It adopts wal l through instal lation as well.
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 |
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