High Voltage Electric Components - AC High Voltage Isolate Switch

Outdoor AC High Voltage Isolate Switch

Outdoor AC High Voltage Isolate Switch - Electrical Switch

Inreoduction - Outdoor AC High Voltage Isolate Switch
MZG32-40.5, 72.5, 126(W)Ⅲ/630, 1250, 1600, 2000 double-pole horizontal fracture V-shaped horizontal rotary outdoor three-phase AC high voltage isolate switch is used for the unload exchange of high voltage circuit and isolate high voltage electrical devices such as: Inspected high voltage generatrix and circuit breaker.
Environmental Conditions - High Voltage Electric Components
1. Environmental temperature: -40°C~+40°C
2. Altitude: lower than 2000m
3. Environment filthy level: Ⅱ, Ⅲ, Ⅳ
4. Ice-coverage thickness< 10mm
5. Wind pressure less than 700Pa
6. Earthquake intensity less than 8 degree.

Model Meaning

Table I - Outdoor AC High Voltage Isolate Switch
Order Product model name MZG32-40.5Ⅲ MZG32-72.5Ⅲ MZG32-126Ⅲ
1 Rated voltage KV 40.5 72.5 126
2 Rated current A 630 1250 1600 2000 630 1250 1600 2000 630 1250 1600 2000
3 Isolate switch Rated peak value current tolerance KA 50 80 100 100 50 80 100 100 50 80 100 100
Rated short term current tolerance (RMS)KA 20 31.5 40 40 20 31.5 40 40 20 31.5 40 40
Rated short circuit duration S 4
4 I type ground knife Rated peak value current tolerance KA 25
Rated short term current tolerance KA 10
Rated short term duration time S 4
5 II type ground knife Rated peak value current tolerance KA 100
Rated short term current tolerance KA 40
Rated short term duration time S 4
6 Rated short term work frequency voltage tolerance (RMS) KV Towards the ground 95 160 230
The fracture 118 197 265
7 Rated lightening impact voltage tolerance (RMS) KV Towards the ground 185 350 550
The fracture 215 385 630
8 Rated terminal static mechanical load N Horizontally vertical 750 750 750 750 1000 1000
Horizontal 500 500 500 500 750 750
Vertical force 500 750 500 750 1000 1000
9 Current transfer of opening and closing the generatrix (transfer voltage of the generatrix is 100V) 504 1000 1280 1600 504 1000 1280 1600 504 100 1280 1600
10 Radio interference level None None Smaller than 2000μV
11 Mechanical life span 3000times 3000times 3000times
Structure Feature Parameter - Table II - Outdoor AC High Voltage Isolate Switch
Order Product model name MZG32-40.5Ⅲ MZG32-72.5Ⅲ MZG32-126Ⅲ
1 Fracture insulation distance of the isolate switch openness (≥mm) 400 600 1000
2 Conductive part insulation distance towards the ground(≥mm) 400 600 1000
3 Main circuit resistance(≥μΩ) 200 150 95 75 220 155 100 80 245 170 110 90
4 Three-phase at the same period of the main knife (≥mm) 5 8 12
5 Switch opening and closing time of the power distribution mechanism S CJ6:3.75 , CJ2-XG:3±1
6 Single electrode weight kg 125 150 160 190 200 240
Contour and Installation Dimension
Picture I GW5 III Single Electrode Installation Sketch
1 chassis 2 bearing housing 3 Insulator support 4 adjustment pat 5 wiring block 6 left contact 7 cover
8 right contact 9 wiring block 10 ground static contact 11 Interconnected arm 12 space limiter 13 ground switch.
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