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Product Overview

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.
GN30-12/630 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.
GN30-12/630 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 12 kV 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

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

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