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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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Electric Outdoor High Voltage 400A Isolator Switch

Supply Ability: 20,000 Piece/Pieces per Month
Shipping: sea way, air way, express
Payment Terms: L/C, T/T, Paypal, 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.


Electric Outdoor High Voltage 400A Isolator Switch

Description & Application

AC outdoor high voltage disconnect switch is 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 Silicone Rubber
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 ≥410mm

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


Insulator--- Silicone Rubber insulator has the performance of light weight, waterproof and non-brittle.

Base plate---Stainless steel or hot galvanizing base ensures reliable manipulation & corrosion resistance.


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 more tighten, 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.


The design and test of SSOD disconnect switch are complied with the following standards:

GB/T 11022-1999
GB 1985-2004
GB/T 5582-1993
GB/T 311.2—2002
Sea Way
Air Way
West Union
Wire Transfer

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Service Process

Service Guarantee

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    ECVV doesn't charge any service fee to Buyers for buying this product.

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  • Product Quality Commitment

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  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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