Customization: | Available |
---|---|
Protection: | Durable, Explosion-Proof, Waterproof, Dust-Proof, Insulation |
Feature: | Rocker |
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GW4 Type serial High Voltage Outdoor isolator /Disconnector /disconnecting switches comply with requirements in GB1985-2004 High-voltage Allemating Disconnecting Switches and Earthing Switches,IEC62271-102:2002AC Disconnecting Switches and Earthing Switches ,and IEC60694:1996 Common Clause for High voltage Switchgear and Control Devices.
Ambient Condition:
• Altitude:≤1000-3000m
•Ambient temperature:no more than 40°C and no less than -30°C(no less than -40°C in alpina areas )
•Wind speed:≤34m/s
•Earthquake intensity:≤8 degree
•Air pollution :IV
•Ice thickness:≤100mm
•the installation location shall be free from flammable ,explosive dangerous articies,chemical corrosion and flerce vibration
•The pollution grade of post insulator :o for general type and 2 for pollution resistance type
Technical data for GW4 high voltage AC disconnector switch
Type
|
GW4-40.5
|
GW4-72.5
|
GW4-126
|
GW4-126G
|
GW4-145
|
|
|
Rated voltage kV
|
40.5
|
72.5
|
126
|
126
|
145
|
|
|
Rated current A
|
630 1250 2000 2500 |
630 1250 2000 2500 |
630 1250 2000 2500 |
630 1250
|
1250 2000 2500 |
|
|
Short time withstand current ( rms) kA
|
20 31.5 40(46) |
20 31.5 40(46) |
20 31.5 40(46) |
20 31.5
|
20 31.5 40(46) |
|
|
Peak withstand current ( peak ) kA
|
50 80 100(104) |
50 80 100(104) |
50 80 100(104) |
50 80
|
50 80 100(104) |
|
|
Rated short-time power frequence withstand voltage ( rms ) kV
|
to each
|
80
|
140
|
185 (230) |
185
|
275
|
|
between breaks
|
110
|
160
|
210 (265) |
210
|
315
|
|
|
Lighting impulse withstand voltage ( peak ) kV
|
to each
|
185
|
325
|
450 (550) |
450
|
650
|
|
between breaks
|
215
|
375
|
520 (630) |
550
|
750
|
|
|
Horzontal force of terminal N
|
550 (750) |
735-750
|
1000
|
1000
|
1500
|
|
|
Weigh of signle pole kg
|
80
|
200
|
240
|
300
|
300
|
|