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GW-12-24-40.5 Outdoor HV Disconnect Switch

Summary
GW -12/24/40.5-630-20(25) outdoor AC high voltage disconnect switch (disconnec t switch f or short) is used to open and close circuit with voltage but no-load 50/60Hz, 12/24/40.5kV power system, The anti-pollution type can be used in the serious pollution area. Three pole linkage, good synchronous performance. IEC62271-103: High voltage switches.
NOTE: The model of the 24kV Outdoor HV Disconnect Switch is GWHY2-24.

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Product name:
GW -12/24/40.5 Outdoor HV Disconnect Switch

Summary
GW -12/24/40.5-630-20(25) outdoor AC high voltage disconnect switch (disconnec t switch f or short) is used to open and close circuit with voltage but no-load 50/60Hz, 12/24/40.5kV power system, The anti-pollution type can be used in the serious pollution area. Three pole linkage, good synchronous performance. IEC62271-103: High voltage switches.
NOTE: The model of the 24kV Outdoor HV Disconnect Switch is GWHY2-24.

Ambient condition

1. Altitude: 3000m ;
2. Ambient temperature: -30 ~+40 ;
3. Wind speed: 35m/s;
4. Air pollution: IV;
5. Earthquake intensity: 8 degree;
6. Ice thickness: 10mm.

Structure feature

This disconnect switch consists of frame, operating insulating, static contactor, blade, linkage spring mechanism, etc.
Frame: 5mm chickness bended armor plate, there are holes on the frame to fixed post insulator.
Post and operating insulator: adopt ZS-12, 40.5 series outdoor clubbed post insulator, The mini resist bend load is 4000N.
Static contactor: it is made of violet copperplate and fixed on post insulator.
Blade: it is made of rectangular violet copperplate, there is an press-spring to adjust press.
The switch vertical or horizontal installed in outdoor with CS mechanism.


No. Item Unit Data
1 Rated voltage kv 12 24 40.5
2 Rated current A 630 1000 1250
3 Rated power frequency HZ 50/60
4 Rated peak withstand current KA 50,63
5 Rated short-time withstand current KA 20,25
6 Rated short-time withstand current duration s 4
7 Main loop resistance μΩ 12kv≤80 24kv≤90 40.5kv≤100
8 1min(dry) power frequency 
withstand voltage
phase to phase
phase to earth
across open
contacts
KV 42/48 50/60 95/115
9 1min(wet) power frequency 
withstand voltage
34 50 85
10 lightning impulse withst
and voltage (peak)
75/85 125/145 185/215
11 Mechanical life TIMES 2000

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