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DNK(Xiamen) Electrical Co., Ltd.

China Manufacturer with main products: Dropout Fuse Cutout, Disconnecting Switch, Three-Phase Switch Disconnector, Circuit Breaker, Load Break Switch, Power Accept Switch, Ring...

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High Voltage Single-phase Isolator Switches

Supply Ability: 20,000 Piece/Pieces per Month
Shipping: Sea Way, Air Way, Express
Payment Terms: L/C, T/T, Western Union
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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Fujian in China
Packaging Details: 1 piece per poly bag, each product is wrapped with poly foam inside and standard carton outside.

Specifications

High Voltage Single-phase Isolator Switches 

Description & Application

High voltage single-phase isolator switches are mainly applied in AC10~40.5kV, 50Hz power system. It is widely used in electric power, railway, mining and oil field. And all fittings not only reasonably& integrally designed but also made of high quality materials.

Technical Parameter & Detail Show
Technical Parameter

Insulator Material Porcelain
Rated Voltage 12kV
Rated Current  200A,400A,630A,1000A,1250A
Rated Frequency  50Hz,60Hz
Rated Lightning Impulse Voltage Withstand phase to earth 95kV
across isolating distance 110kV
Rated Power Frequency Withstand Voltage  phase to earth 50kV
across isolating distance 60kV
Distance between Interrupting Points ≥205mm
Rated Short Time Current Withstand 25kA,20kA,16kA/4S
Rated Peak Current Withstand 40kA,50kA
Mechanical Life 2000 times
Creepage-distance ≥310mm
Material

Conductive contact parts---All the parts are over 20μ silver coating, preventing from oxidation easily.

Insulator---  Porcelain  insulating post provides the performances with ultraviolet resistance, erosion resistance and waterproof.

Packing

1 piece per poly bag, each product is wrapped with poly foam inside and standard carton outside.

Feature & Advantages

1 Stainless steel disc spring bowl— It makes two contact parts much tighter, and supplies very low resistance.

2 Operation pull ring--- The lever design of pull ring and shift lock-pin ensures high breaking ability.

3. Contact methods---using surface contact instead of point contact, the device prevents too large resistance leading to heat too fast, and provides fire protection as well.

Standard

The design and test of high voltage single phase isolator switches are complied with the following standards:

ISO9001
IEC62271-102
GB/T 11022-1999
GB 1985-2004
GB/T 5582-1993
GB/T 311.2—2002
 
Service

DNK is a professional electrical manufacturer in China. We specialized in high voltage disconnect switch, fuse cutout, and all our products with ISO9001 approved. 

Shipping
 
Sea Way
Air Way
Express
 
Payment
 
PayPal
West Union
Wire Transfer
T/T

We're always at your service, any question please feel free to contact us .
 

Service Process

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