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Product Details

Switch
disconnector
&
composite
apparatus

Rated voltage

kV

12

Rated frequency

Hz

50

Rated lightning impulse withstand voltage

kV

75

kV

85

Rated 1 min power frequency withstand voltage

kV

42

kV

48

Rated short circuit making current (peak)

kA

50

Rated peak withstand current

kA

50

2s short time withstand current

kA

20

Rated active load breaking current

A

630

1250

Rated closed loop breaking current

A

630

1250

Rated cable charging current

A

10

Main circuit resistance

μΩ

≤105

mm

170

210

Rated current of fuse switch disconnector

A

100

Max. fuse current of fuse switch disconnector

A

125

Main circuit current of fuse switch disconnector

μΩ

≤250

Rated short circuit breaking current of fuse switch disconnector

kA

31.5

Rated short circuit making current of fuse switch disconnector (peak)

kA

80

Rated transfer current of fuse switch disconnector

A

1200

Max. operation
torque

Switch disconnector,
with K-type single-spring
operation mechanism

Closing

Nm

≤120

Opening

Nm

≤120

Fuse switch disconnector,
with A-type dual-spring
operation mechanism

Energy storage
and closing

Nm

≤120

Opening

Nm

≤3

Shaft angle

Degree

120

Instant closing speed

m/s

≥6

Instant opening speed

m/s

4.5-6

m/s

≤3

Mechanical endurance

Time

≥2000

Earthing
switch

Rated voltage

kV

12

Rated peak withstand current

kA

40

2s short time withstand current

kA

16

Rated short circuit making current (peak)

kA

40

Closing operation torque

Nm

≤120

Opening operation torque

Nm

≤120

Mechanical endurance

Time

≥2000


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