66kV V Type Switch Disconnector with electric operating mechanism

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Product Description:

Product Classification and Main Technical Specification

 

1), product classification

 

Voltage level: 40.5kV, 72.5kV, 126kV.

 

Current level: 1250A, 2000A, 3150A.

 

Auxiliary earthing switch type: none earthing switch, left earthing switch, right earthing switch, double earthing switches.

 

Rotation type: rotation with an angle of 90 degree, rotation with an angle of 180 degree.

 

2), Main Technical Specifications

 

Technical Specifications

Product Type

GW5-40.5

GW5-72.5

GW5-126

Rated voltage kV


40.5

72.5

126

The rated current A


1250, 2000, 3150

Disconnector

Rated peak withstand current kA

100, 125

Rated short-time withstand current (RMS)kA

40, 50

Rated short circuit duration s

4, 3

Grounding switch

Rated peak withstand current kA

100, 125

Rated short-time withstand current (RMS)kA

40, 50

Rated short circuit duration s

4, 3

Rated short-time power frequency withstand voltage (RMS) kV

to earth

95

160

230

across open contacts

118

200

230+70

Rated lightning impulse withstand voltage (peak) kV

to earth

185

350

550

across open contacts

215

410

550+100

minimum clearance in 1 min power frequency withstand voltage when ground blade closing to live part of disconnector


53

94

164

rated terminal static mechanic load N

longitudinal level

800, 1000

800, 1000

1000, 1250

Horizontal level

500, 750

500, 750

750

Vertical force

750

750

1000

switching micro-capacitance current A


2

2

2

switching micro-inductance current A


1

1

1

switching busbar for current transfer A (busbar transfer voltage 100V)


400V, 2500A, 100 times

Radio interference level


less than 500 μV

Mechanical life


3000

3000

3000

single pole weight (kg)


120

200

260

Note: All applied to an altitude of 2000m


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