Disconnecting Switch 11 Kv

Disconnecting switch 11 kv is a switching device, when it is in the separate position, there is an insulation distance and an obvious disconnection mark between the contacts in accordance with specified requirements; in the combined position, it can carry the current under normal loop conditions and under abnormal conditions (such as short circuit) within a specified time....

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Disconnecting Switch 11 kv 

Description

Disconnecting switch 11 kv is a switching device, when it is in the separate position, there is an insulation distance and an obvious disconnection mark between the contacts in accordance with specified requirements; in the combined position, it can carry the current under normal loop conditions and under abnormal conditions (such as short circuit) within a specified time.

Technical Specification

Type

Rated    Voltage(kV)

Rated    Current(A)

2S Heat Steady Current(KA)

Shock Steady Current(KA)

Impulse withstand Voltage (Kv)

Power-frequency withstand voltage

To    earth(kV)

Across the isolating distance(kV)

To    earth(kV)

Across the isolating distance(kV)

(H)GW9-12/200

12

400

8

20

75

85

38

42

(H)GW9-12/400

12

400

8

20

75

85

38

42

(H)GW9-12/630

12

630

20

50

75

85

38

42

(H)GW9-12/1000

12

630

25

65

75

85

38

42

(H)GW9-12G/400

12

400

8

20

75

85

38

42

(H)GW9-12G630

12

630

20

50

75

85

38

42

(H)GW9-12G/1000

12

630

25

45

75

85

38

42

(H)GW9-12G/1250

12

630

31.5

80

75

85

38

42

Normal Service Conditions:

Ø  Altitude: not exceed 1000 m

Ø  Temperature: no higher than 40℃, and no lower than -30℃,

Ø  Wind pressure: No more than 700Pa (Equivalent to wind speed 34 m/s)

Ø  Earthquake intensity no more than 8 degree, no frequent shock sites.

Ø  Ice thickness no more than 10 mm

Ø  No fire, explosion, serious filthy, chemical corrosion and violent vibration of place.

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