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GN30-12 Rotary Indoor High Voltage Disconnect
  • GN30-12 Rotary Indoor High Voltage DisconnectGN30-12 Rotary Indoor High Voltage Disconnect

GN30-12 Rotary Indoor High Voltage Disconnect

High quality customized products GN30-12 Rotary Indoor High Voltage Disconnect from China suppliers and manufacturers. GN30-12/630 Rotary Indoor High Voltage Disconnect is a rotary touch knife type of new isolation switch, the main structure is in the three-phase under the base frame, the next two planes, fixed two groups of crepe and contact, by rotating the touch knife, in order to achieve the switch off the closing.

GN30-12 Rotary Indoor High Voltage Disconnect is a rotary touch knife type of new isolation switch, the main structure is in the three-phase under the base frame, the next two planes, fixed two groups of crepe and contact, by rotating the touch knife , In order to achieve the switch off the closing.

GN30-12 Rotary Indoor High Voltage Disconnect (indoor AC high voltage disconnector) for rated voltage 10kV, three-phase AC 50Hz power system as a voltage without the case of load, the use of sub-electrical appliances.

GN30-12 Rotary Indoor High Voltage Disconnect to meet the needs of different power systems, the product design performance is excellent, small footprint, strong insulation. Easy to install the adjustment, its performance in line with GB1985-89 "AC high voltage disconnector and grounding switch" requirements for rated voltage 12KV AC 50Hz and below indoor power system, as in the case of voltage without load, Circuit use. Can be used with high-voltage switchgear, can also be used alone.

The performance of this product in line with "AC high voltage disconnector and grounding switch" standard.


Model and meaning

GN30-12 Rotary Indoor High Voltage Disconnect


Normal operating conditions and installation conditions

Altitude does not exceed 1000m;

Ambient air temperature; upper limit + 40 ° C; lower limit -10 ° C;

Relative humidity; daily average of not more than 95%, the average monthly maximum of 90%;

Tyrants intensity of not more than 8 degrees;

No serious dust chemical corrosive and explosive substances in the place;

There is no frequent severe vibration of the place.


Technical Parameters

Model

Rated voltage (kV)

Rated current (A)

Rated short-time

withstand current (kA)

Rated short-circuit duration (s)

Rated peak withstand

current (kA)

1min. PF withstand

voltage (kV)

Lightning impulse

withstand voltage (kV)

GN30-12/630A

12

630

20

4

50

Phase to phase/ to earth: 42, Fracture: 48

Phase to phase/ to earth: 75, Fracture: 85

GN30-12/1000A

1000

31.5

80

GN30-12/1250A

1250

31.5

80

GN30-12/2000A

2000

40

100

GN30-12/2500A

2500

40

100

GN30-12/3150A

3150

40

100

GN30-12D/630A

630

20

50

GN30-12D/1000A

1000

31.5

80

GN30-12D/1250A

1250

31.5

80

GN30-12D/2000A

2000

40

100

GN30-12D/2500A

2500

40

100

GN30-12D/3150A

3150

40

100


Overall and lnstallation Dimensions

GN30-12 Rotary Indoor High Voltage Disconnect






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