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Ningbo Ville Electric Co., Ltd.

Disconnector, Break Switch, Breaker manufacturer / supplier in China, offering Disconnector 252kv 363kv Isolator, 12.5mva Sz11 Series 35kv Power Transformer with on Load Tap Changer, Lw58-252/T4000-50 High Voltage Sf6 Circuit Breaker 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
Get Latest Price
Production Capacity: 50000 Sets/Year
Transport Package: Wooden Cases
Payment Terms: L/C, T/T, D/P, Western Union

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Product Catalog
Disconnector
34 Products
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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
  • Specification: iEC CE, ISO
  • HS Code: 8
  • 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
  • Origin: Ningbo China
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.
Characteristic:
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
  Opening460
7  Lightning impulse withstand voltage (peak value)  To earthkV950
  Opening1050
8 Mechanical life test of disconnector and earthing switchTimes2000

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