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GW4-12 12kV Outdoor High Voltage Disconnect Switch

12kV Outdoor High Voltage Disconnect Switch

Additional information

Product Details:

GW4-12 12kV Outdoor High Voltage Disconnect Switch

 

General Introduction

GW4-12 12kV outdoor AC H.V. disconnect switch (disconnect switch for short) is used to open and close circuit with voltage but no-load 50/60Hz,12(40.5)kV power system.It accords with standards of IEC129-1984 AC Disconnect Switch and Earthing Switch and GB1985 and other relative standards.

 

Working Conditions

Altitude: ≤3000mm;

Ambient temperature: -25°C ~+40°C ;

Wind speed:≤ 35m/s;

Pollution degree: III; Earthquake intensity:≤ 8 degree; Applicable occasions should free from inflammable, explosives, caustic gas .

 

Technical Specification

Rated Voltage Max. Voltage Rated Current Dynamic stable current(peak value) Thermal stable current(valid value) 1MIN Power Frequency Withstand Voltage(valid value)  Lightning Impulse Withstand Voltage(peak value) Breaking capacitor current Creep Distance Weight/Pole Re-mark
against ground between contacts against ground between contacts
KV KV A KA KA-S KV KV A Mm Kg
ordinary anti-pollution
1224 1224 630 50 20-4 75 85 165 200 625 875 120
1250 80 31.5-4 145
1600 100 40-2 1225 170
2000
35(40.5) 40.5 630 50 20-4 80 90 185 215 625 875 120
1250 80 31.5-4 145
1600 100 40-2 1225 170
2000
63(72.5) 72.5 630 50 20-4 140 160 325 375 1100 1600 180
1250 80 31.5-4 200
1600 100 40-2 1813 225
2000
2500 125 50-2 2205 260
110(126) 126 630 50 20-4 230(185) 265(450) 550(450) 630(520) 1870 2750 200 altitude≤2500m
1250 80 31.5-4 230
1600 100 40-2 3150 260
2000
(145) 145 1250 80 31.5-4 275 315 650 750 2400 3800 300 altitude≤4000m
1600 100 40-2 320
2000
3150 125 50-3 380
220(245) 252 1250 100 40-3 450 530 1050 1200 0.5 3740 55006300 630~710
1600 125 50-3 650~750
2000
2500
3150 690~780

 

Outline Drawing

gw4 12kv disconnect switch dimension

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