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GW□-12/24/40.5 Outdoor HV Disconnect Switch
GW□-12/24/40.5 Outdoor HV Disconnect Switch

GW□-12(24/40.5)/630-20(25) outdoor AC high voltage disconnect switch(disconnect switch for short) is used to open and close circuit with voltage but no-load 50/60Hz, 12(24)(40.5)kV power system, The antipollution type can be used in the serious pollution area. It has advantages of three pole linkage and good synchronous performance.It accords with standards of IEC 62271-103:High Voltage Switches.

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


Technical specification
No. Item Unit Data
1 Rated voltage kV 12,24,40.5
2 Rated current A 630,1250
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 circuit resistance μΩ 12kV≤90 4kV≤100 40.5kV≤100
8 1min(dry) power frequency withstand voltage 42/48 55/75 95/115
9 1min(wet)power frequency withstand voltage phase to phase phase
to earth across open
kV 30 50 85
10 Lightning impulse withsthand voltage (peak) 75/85 85/145 185/215
11 Mechanical life Times 2000

This disconnect switch consists of frame, operating insulator, static contact, blade, linkage spring mechanism, etc. Frame: 5mm thickness bended armor ptate, there are holes on the frame to fixed post insulator. Post and operating insulator: adopt ZS 12,24,40.5 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 a press-spring to adjust press. The switch can be vertically or horizontally installed in outdoor with CS□ mechanism.

Main function features
Model Outline Dimension (mm)
GW-12/630-20 400 1000 1200 565 510
GW-24/630-20 420 1040 1250 610 540
GW-40.5/630-20 500 1250 1450 815 728

1  Vacuum Circuit Breaker Series
2  Outdoor Load Break Switch Series
3  Intelligent Automation Equipment For Power Grid
4  Outdoor AC High Voltage Disconnect Switdh Series
5  Indoor Load Break Switch Series
6  Indoor AC High Voltage Disconnect Switch Series
7  Insulator Series
8  Drop-out Type Fuse Series
9  Arresters
10  hot stick/insulated rod/operating rod
11  Ground set/earth rod equipment
12  ground wire,grounding clamp
13  copper rod /brass rod
14  electroscope/ detector
15  lineman safety belt
16  pole climber
17  safety shoes boots ,hand gloves,carpet, mask
18  safety helmet
19  cable wire grip
20  fiber ledder , meter seal
21  hydraulic and electric crimping tool
22  Guy guard
23  snatch block
24  discharge rod lighten rod
25  cable cutter
26  puller and hand winch
27  crimping pliers and press pliers
28  Ungrouped
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Tel: 0086-577-62890982  Fax: 0086-577-62890992  E-mail:hongxiu4@gmail.com  Add: Fangdouyan zone, Liushi, Yueqing City, Zhejiang, China. 325600