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Ningbo Ville Electric Co., Ltd.

Disconnector, Break Switch, Breaker manufacturer / supplier in China, offering Disconnector 252kv 363kv Isolator, 230kv Auto Power Transformer / Power Distribution Transmission /Power Transformer, Gas Insulation Metal-Clad Switchgear Gis and so on.

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Supplier Homepage Product Disconnecting Switch Disconnector 252kv 363kv Isolator

Disconnector 252kv 363kv Isolator

FOB Price: US $300-80,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $300-80,000/ Piece
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Port: Ningbo, China
Production Capacity: 50000 Sets/Year
Payment Terms: L/C, T/T, D/P, Western Union

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Basic Info
  • Model NO.: GW23(GT9)252D/2500-50
  • Structure: Three-column Disconnector
  • Operation: Manual
  • Movement Mode: Horizontal Rotary Type
  • Grounding: Single Ground
  • Run: Vertical Rotation
  • Common Model: Gw
  • Certification: ISO, GS, CE, IS9001, ISO9002, ISO2000
  • Transport Package: Wooden Cases
  • Origin: Ningbo China
  • Type: High-voltage
  • Installation: Outdoor High-voltage
  • Grounding Mode: Grounding
  • Number of Poles: Three Pole
  • Series: Three
  • Switching Mode: Single Throw-in
  • Structure of Operating: Manual
  • Trademark: VILLE
  • Specification: iEC CE, ISO
  • HS Code: 8
Product Description
252kV Disconnector
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.
1. Application of friction type contacting structure in main knife moving conductive contact surface
2. Auto-locking device of breaking and closing positions effectively prevents the separation of dynamic/static contacts due to wind or electric motive force
3. The application of non-oil bearing and copper alloy sleeve on rotating point making it have auto-lubrication function and conquers the corrosion and seizure of the rotating point
4. Application of advanced surface processing technique and anti-rust aluminum, stainless steel greatly enhances surface anti-rust property
5. Three-pole linkage and electric/manual operation of main switch
6. Fitted with earthing switch that has the same short-circuit current withstand capability as disconnector
7. Effective prevention of mal-operation by electric/mechanical dual interlock between disconnector and earthing switch
SI. NO.DescriptionUnitData
1Rated voltagekV252
2Rated currentA2500
3 Disconnector and earthing knife peak withstand current (peak value)kA125
4 Disconnector and earthing knife 3s short-time withstand current (effective value)kA50
5 Disconnector main circuit resistanceμΩ≤130
6  1min power frequency withstand voltage (effective value)  To earth /(dry/wet)kV395
7  Lightning impulse withstand voltage (peak value)  To earthkV950
8 Mechanical life test of disconnector and earthing switchTimes2000

Disconnector 252kv 363kv Isolator
Disconnector 252kv 363kv Isolator
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