Specifications
GW4
1) current:630,1000,1250,2000,3150A
2) 34 years experience
3) CCC,ISO
GW4 serial Outdoor A/C High Voltage Isolator
GW4 Type serial High Voltage isolator the series of 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
10kV-20kV Technical data
type | Rated voltage kV | Rated current A | Peak withstand current kA | 10s Short time withstand current kA | Weight kg |
GW4-10W/400,630,1250 | 10 | 400,630,1250 | 30,40,65 | 15,20,25 | 25 |
GW4-10DW/400,630,1250 | 10 | 400,630,1250 | 30,40,65 | 15,20,25 | 25 |
GW4-15W/400,630,1250 | 15 | 400,630,1250 | 30,40,65 | 15,20,25 | 30 |
GW4-15DW/400,630,1250 | 15 | 400,630,1250 | 30,40,65 | 15,20,25 | 30 |
GW4-20W/400,630,1250 | 20 | 400,630,1250 | 30,40,65 | 15,20,25 | 35 |
GW4-20DW/400,630,1250 | 20 | 400,630,1250 | 30,40,65 | 15,20,25 | 35 |
35kV-145kV Technical data
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 | 630 1250 2000 | 630 1250 | 630 1250 | 1250 2000 | |
Short time withstand current(rms) kA | 20 31.5 | 20 31.5 | 20 31.5 | 20 31.5 | 20 31.5 | |
Peak withstand current(peak) kA | 50 80 | 50 80 | 50 80 | 50 80 | 50 80 | |
Rated short-time power frequence withstandvoltage(rms) kV | to each | 85 | 140 | 185 | 185 | 275 |
between breaks | 110 | 160 | 210 | 210 | 315 | |
Lightning impulse withstand | to each | 185 | 325 | 450 | 450 | 650 |
between breaks | 215 | 375 | 520 | 550 | 750 | |
Horizontal force of terminal N | 550 | 735-750 | 1000 | 1000 | 1500 | |
Weight of single pole kg | 80 | 200 | 240 | 300 | 300 | |
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