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Ningbo Tian'an Jinghua Power Technology Co., Ltd.
Ningbo Tian'an Jinghua Power Technology Co., Ltd.
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252kv 2500A High Voltage Disconnect Switch Disconnector Isolator GW23

Ningbo Tian'an Jinghua Power Technology Co., Ltd.

252kv 2500A High Voltage Disconnect Switch Disconnector Isolator GW23

Brand Name : Tianan Electric

Model Number : GW23 (GT9)

Place of Origin : Ningbo,China

MOQ : 1sets

Price : Pending

Payment Terms : T/T, L/C

Supply Ability : 5000 setss per year

Delivery Time : 30 days

Packaging Details : International package

Certification : ISO9001,IEC

Rated voltage : 252kv 363kv

Rated Current : 2500A

Withstand Current(peak) : 125KA

Service Condition : Outdoor

Product name : 252kv 2500A High Voltage Disconnect Switch Disconnector Isolator GW23

Run : Vertical Rotation

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252kv 2500A High Voltage Disconnect Switch Disconnector Isolator GW23

General overview

GW23(GT9)252D/2500-50 type double pole outdoor AC HV disconnector evolves from older generation,improving the conductive circuit over-heat, operation mechanism failure, metal parts corrosion and other defects. It has characteristics of beautiful appearance, simple structure, anti-corrosion, good earthquake resistance, reliable mechanical and electric properties, etc. It is a new generation of disconnectors. It is suitable for AC frequency 50HZ, rated voltage 220KV system. It electrically isolates HV lines, CB and other equipments under no load.

252kv 2500A High Voltage Disconnect Switch Disconnector Isolator GW23 Advantages

The product has advantages of beautiful appearance, simple structure, high performance of corrosion resistant and antiseismic, safe and reliable electric and mechanical property.

It is the matured product that our company recommends to HV electricity distribution network, and it’s also an upgrade product of disconnector. It is suitable for system with 50Hz AC frequency and 110kV rated voltage. It can be used in electricity isolation when HV line, circuit breaker and other electrical equipments are no-load.

252kv 2500A High Voltage Disconnect Switch Disconnector Isolator GW23 Technical parameters

S/N Name Unit Parameters
1 Rated voltage kV 252
2 Rated current A 2500
3 Peak withstand current of disconnector and earthing switch (peak) kA 125
4 3s short-time withstand current of disconnector and earthing switch (r.m.s) kA 50
5 Main circuit resistance of disconnector μΩ ≤130
6 1min power frequency withstand voltage(r.m.s) Phase-to earth(dry, wet) kV 395
Fracture 460
7 Lightning impulse withstand voltage (1.2/50μs) Phase-to earth kV 950
Fracture 1050
8 Mechanical endurance test of disconnector and earthing switch Times 2000 for each

252kv 2500A High Voltage Disconnect Switch Disconnector Isolator GW23


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