Nov
21

About Disconnecting Switch.

Disconnecting Switch

Disconnecting Switch

A Disconnect switch is a switch which has the capability to interrupt power to an electrical circuit or to a group of electrical circuits. Disconnect switches are used in a wide variety of settings, and are primarily employed as safety devices which de-energize circuits so that people can work on them safely. Electrical safety devices are only as useful as their maintenance and the surrounding safety procedures, and a disconnect switch must be used properly in order to be effective.

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Nov
21

What is Disc Insulators ?

Disc Insulators

Disc Insulators

National Switchgears are engaged in offering a wide range of Disc Insulators (T&C type and B&S type) that provide a cost effective solution for low and medium polluted environments. These high on performance disc insulators are manufactured by using high grade raw material. These disc insulators are known in overseas market as they are mainly used for transmission as well as distribution lines. We ensure safe and hassle free delivery of these products.
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Nov
19

A Pin Insulator

Pin insulator

Pin insulator

A Pin insulator consists of a non-conducting material such as Porcelain, Glass, Plastic, Polymer, or Wood that is formed into a shape that will isolate a wire from a physical support (or “pin”) on a telegraph, utility pole or other structure, provide a means to hold the insulator to the pin, and provide a means to secure the conductor to the insulator. By contrast to a strain insulator, the pin insulator is directly connected to the supporting pole. The earliest pin insulators predate the strain insulator and were deployed before about 1830. Pin insulators continue in production with manufacturers worldwide.

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Nov
18

Operating Rods & Discharging Rods.

Discharging Rods:

Discharging Rod

Discharging Rod

 

National Switchgears manufacture and supply a precision engineered range of Discharging Rods. This discharging rods is fabricated in adherence with the defined industry standards. Manufactured using high grade raw material, our rod is tested on various parameters before it is delivered at the client’s end. Some of the features include:

  • Superior quality
  • Durable finish standards
  • High performance

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Nov
14

What is a Lightning Arrester?

Lightning Arrester

Lightning Arrester

 

According to most definitions, a Lightning Arrester is a Device Used on Power Systems above 1000V to Protect other Equipment from Lightning and Switching Surges.

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Nov
14

Porcelain Insulators

Porcelain Insulator

Porcelain Insulator

A Insulator made by hard paste of Porcelain is also known as true porcelain insulator. Out of all the wide varieties of ceramics & true porcelain is the hardest, the most durable – which is one of the reasons porcelain insulator are largely replaced glass insulators, beginning in the nineteenth century – porcelain was first created in China, and to this day that country is the source of most superior porcelain products, such as electrical porcelain insulator. In fact, the world’s largest manufacturer of electrical Porcelain insulator is located in Dalian, China.

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Nov
11
Nov
10

Use & Types Of AB Switch (G.O.A.B Switch)

Use Of AB Switch (G.O.A.B Switch). (National Switch is a AB switch supplier in India)

Application

The triple pole AB switch is gang operated and designed for outdoor application. The switch is designed to suit overhear systems used in high density urban situations or high load centers, where the load is much higher and the need of improved and steady quality supply is much greater. Main function of this product is to isolate the Transformer, Overhead lines, System or Cables from distribution network.

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Apr
8

Earthing Electrode

Hot Dipped Galvanised Strip in G I Pipe where G I Pipe is outer and secondary electrode. G I Strip helps smooth flow of Current.  The space between G I Pipe and G I Strip is filled with the powder which has conductive and non corrosive elements which helps longer life of Electrode. earthing terminal is provided directly with the primary electrode of G I strip which ensures proper earthing. Strip earthing is better than pipe earthing or plate earthing. we have benifits of both strip earthing and strip earthing.

earthing electrocode

Maintenance free earthing electrocode

 

 

National Switchgears is a Manufacturer & Suppliers Of Earthing Electrode.

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National Switchgears
403, Ashwamegh Avenue,
Near Mithakhali Six Road,
Navrangpura,
Ahmedabad - 380009
Gujarat - INDIA

Mobile: +91-9879539725
Tel / Fax +91-79-26461471

Email ID: info@national-switchgears.com
sharad.mehta61@gmail.com

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