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Ningbo Ville Electric Co., Ltd.

Disconnector, Ac Disconnector, 3-Pole Double-Horizontal-Break Construct manufacturer / supplier in China, offering Disconnector Outdoor AC Hv Disconnector, 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 Outdoor AC Hv Disconnector

Disconnector Outdoor AC Hv Disconnector

FOB Price: US $5,000-4,000,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $5,000-4,000,000/ Piece
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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
34 Products
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Basic Info
  • Model NO.: Gw4-40.5 GW4-126 GW4-252 GW4-72.5 GW4-145
  • Structure: Three-column Disconnector
  • Test: Type Test Report
  • Specification: IEC standard
  • Type: High-voltage
  • Installation: Outdoor High-voltage
  • Trademark: VILLE
  • Origin: Ningbo China
Product Description

GW4 series outdoor AC HV disconnector is three-phase AC 50Hz outdoor HV electric equipment used in rated voltage 35KV electric system. It is used for high voltage lines no-load switching and electrical isolation of examined high voltage bus, circuit breakers and other electrical equipments.


GW4-40.5\GW4-40.5D series disconnector is unipolar, and three separate unipoles are connected together by a connecting rod to form a three-pole single conductive arm, linked disconnector. The connecting rod is composed of left hand and right hand screws, so it is easy to adjust the phase synchronization and also can operate on single-phase.
GW4-40.5 series disconnector is composed of base, pillar porcelain insulator and conductive components, each pole has two porcelain insulators on both bearing houses of base, and is connected by a crossover connecting rod to be horizontally revolvable. Conductive knife is made of copper tubes; Its contacts are in middle of the two insulators, and the knife is fixed at the top of insulators.
Disconnector Outdoor AC Hv Disconnector

Brief Description
GW4 Series disconnector are 3-pole outdoor HV a. C electric devices, including 40.5kV, 72.5kV, 126kV and 145 kV disconnectors, which own 3-pole double-horizontal-break construction, consist of installation base, supporting insulator, rotating insulator, moving contact, fixed contact and earthing switch, etc.
Main Features
1 Reasonable structure, excellent performance and reliable service;
2 Excellent mechanical properties, small operating force, high reliability, long mechanical endurance;
3 Brilliant anticorrosive capability.
4 Small circuit resistance and good waterproof performance.
Disconnector Outdoor AC Hv Disconnector
Disconnector Outdoor AC Hv Disconnector
Specifications Unit Value
Rated voltage kV 40.5 72.5 126 145
Rated current A 630/1250/2000 630/1250/2000 1600 1600/2000
Rated frequency Hz 50/60
Rated short-time withstand current  (r.m.s) kA 20/25/ 31.5 25/31.5/40 31.5 31.5/40
Rated peak withstand current kA 50/63/80 63/80/100 80 80/100
1min  power frequency withstand voltage (r.m.s) To earth/Between phases kV 70 140 230 275
Across isolating distance kV 80 160 265 315
Lightning impulse withstand voltage (peak) To earth/Between phases kV 170 325 550 650
Across isolating distance kV 195 375 630 750

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