Since 1991
GN30-12M series rotary indoor high voltage disconnect switch is a new type of touch rotating knife type disconnect switch,
the main structure in three phase chassis of the upper and lower two plat,
fixed two set of insulato rand contact, by rotatirlg contactor,realize the divide and combine the switch.
GN30-12M Indoor High Voltage Disconnect Switch
Summary
GN30-12M series rotary indoor high voltage disconnect switch is a new type of touch rotating knife type disconnect switch,the main structure in three phase chassis of the upper and lower two plat, fixed two set of insulato rand contact, by rotatirlg contacto r,realize the divide and combine the switch.
GN30-12M series switch is on the basis of GN30-12 switch increases with the form of earthing knife, can meet the needs of different power systems. This Product design is compact, small footprint, insulating ability is strong, easy to install, the performance meet GB198589 requi rements . Also, the switch applicable to rated voltage 10KV AC50HZ and the following indoor systems, as in the cases with voltage without load, for opening and closing current. It can be used with high voltage switch cabinet, and also can be used alone.
Specifications
| Item Model | GN30-12M/400-12.5 | GN30-12M/630-20 | GN30-12M/1000-31.5 | GN30-12M/1250-31.5 | |
| GN30-12D/400-12.5 | GN30-12D/630-20 | GN30-12D/1000-31.5 | GN30-12D/1250-31.5 | ||
| Rated voltage(KV) | 12 | ||||
| Rated current(A) | 400 | 630 | 1000 | 1250 | |
| Rated short-time withstand current（kA） | 12.5 | 20 | 31.5 | ||
| Rated short-circuit durations（S） | 4 | ||||
| Rated peak withstand current(KA) | 31.5 | 50 | 80 | ||
| Rated insulating level | Lighting impluse withstand voltage（kV） | Phase to phase/to earth: 75/across open contacts: 85 | |||
| 1 min PF withstand voltage（kv） | Phase to phase/to earth: 42/across open contacts: 48 | ||||
Model Implication
Overall Dimensions
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