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Outdoor Disconnecting Switch

Zhejiang Volcano electrical technology Co., Ltd

Model
Nature of the Manufacturer
Other
Product Category
Other Power Supply
Place of Origin
,
GW9 is a type of outdoor high voltage isolating switch. With a rated frequency of 50Hz, optional rated voltage of 10kV, 15kV and 24kV, GW9 can open and close circuit without any loading.

Overview:

The GW9-12 outdoor isolation switch is a single-phase AC 50Hz high-voltage switching device.It is used in 10KV power systems for turning on or off the power supply in the case of voltage and no load.


This product is a single-break vertical open structure, unicorn isolation switch pillar insulator is installed on their respective base frame, mainly by the base, pillar insulator, leading electrical circuit part, self-locking device and so on.The gate-type structure is used to split the gate to cut off and close the line.Each phase knife switch consists of two conductive blades, the blade is equipped with compression springs on both sides, adjusting the height of the spring can obtain the contact pressure required to the knife switch.When the switch on and off,the operating mechanism part of the insulated hook rod is used, and the knife switch has its own locking device.


When the isolation switch is separated with an insulated hook rod operation, the insulation hook stick buckles the isolation switch lock hook, pulls the lock hook to the direction of the separation gate, unlocks the self-locking device and drives the connecting conductive plate rotation to achieve the split-gate action, when the lock is closed by the insulating hook rod against the isolation switch hook drives the shaft rotation, so that the connected conductive plate turns to the closed position, at this time the self-locking device locks the isolation switch in the closed position.


Sr.
Content
Unit
Value
1
 Rated Voltage
KV
10  12  15
2
 Max. working voltage
KV
12  12  7.5
  
3
  
Rated insulation level
1 min frequency tolerance voltage
To the ground
KV
40  40  40
 (effective value) 
Break
KV
47  47  47
Lightning impulse withstand voltage
To the ground
KV
105  105  105
 (Peak)
Break
KV
120  120  120
4
 Rated frequency
HZ
50
5
 Rated current
A
200  400  630  800  1000  1250
6
 4s heat stabilized current (effective value)
KA
6.3  12.5  20  25  25  31.5
7
 Dynamic current(effective value)
KA
16  31.5  50  63  63  80
8
 Creep distance
MM
300  380


Service environment:

1) Altitude: ≤1000m;
2) Environment temperature:-30~+40ºC,Alpine region≤-40ºC;
3) Wind pressure:≤700Pa(Equivalent to wind speed of 34m/s); 4) Earthquake intensity:≤8 degrees;
5) No frequent and violent vibration site;
6) General installation sites should be free of gases, vapors, chemical deposits, salt sprays, dust and other explosive, aggressive substances that seriously affect the insulation and conductivity of isolated switches.Anti-fouling type is suitable for filthy areas, but should not cause fire and explosive substances.
Zhejiang Volcano-electrical technology is an ISO-9001 ISO-14001, ISO-18001 approved factory, professional in producing vacuum circuit breakers, auto-reclosers, disconnectors, load break switch and switchgear. The factory occupies a manufaturing square over 1000㎡ and has several advanced production line with mechanical operation. We make constant efforts to improve product quality and service. Our company has get many patent certifications and products have passed type testing. We can provide a complete set of transmission and distribution. To offer the best quality with our best service is our main management principal.
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