GW9-11 kV disconnect switch
Product Introduction

Description GW9 disconnector

Isolation switch is a switching device which is mainly used for "isolation of power supply, disconnection of work, and connection and disconnection of small current circuits" without arc extinguishing function.

 

Technical specification

Type

Nominal voltage (kV)

Rated current (A)

2S Heat-resistant current (KA)

Shock current (KA)

Impulse withstand voltage (kV)

Power voltage

To ground (kV)

Through insulation distance (kV)

To ground (kV)

Through insulation distance (kV)

(N) GW9-12/200

12

400

8

20

75

85

38

42

(N) GW9-12/400

12

400

8

20

75

85

38

42

(N) GW9-12/630

12

630

20

50

75

85

38

42

(N) GW9-12/1000

12

630

25

65

75

85

38

42

(N) GW9-12G/400

12

400

8

20

75

85

38

42

(N) GW9-12G630

12

630

20

50

75

85

38

42

(N) GW9-12G / 1000

12

630

25

45

75

85

38

42

(N) GW9-12G / 1250

12

630

+31.5

80

75

85

38

42

Normal terms of service:

Ø Height: no more than 1000 m

Ø Temperature: not higher than 40 ℃ and not lower than -30 ℃,

Ø Wind pressure: no more than 700 Pa (equivalent to wind speed of 34 m / s)

Ø earthquake intensity no more than 8 degrees, absence of frequent shock points.

Ø Ice thickness no more than 10 mm

Ø No fire, explosion, serious dirt, chemical corrosion and strong vibration of the place.

 


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