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ACDC Electric (P) Ltd logo with lightning arrester symbol

Guard ++ Advanced Earthing Electrode

Earth Plus advanced earthing electrodes are engineered to endure the most enviously corrosive environments. These electrodes are robust enough to withstand fault currents of very high magnitude. Fabricated from excellent quality G.I/Copper pipes, these electrodes are virtually indestructible.

The pipes are profiled with proprietary "super conductive crystalline compound" which encloses the primary conductor completely, increasing it's  surface area and also forming a protective layer against corrosion. It never allows the primary conductor to come in direct contact with corrosive elements in the surrounding soil.

Earthing electrodes in strip-in-pipe and pipe-in-pipe designs.

Key Features

Cross-section of an earthing rod showing internal components
Red shield icon with a checkmark for safety and protection

Robust Design to Last for a lifetime.

Red hexagonal stacked layers icon

Three level protection from Corrosion

  • Outer Pipe (Gl/Copper)

  • Layer of super conductive crystalline compound

  • Primary conductor (Pipe/Strip)

Various Size And Specification

Model

Length

Pipe Dia

Pipe Type

Primary Conductor

Strip Size

SMI -150GC

1000 mm

50 mm

GI

Copper Strip

40*6*1000MM

SMI - 250GC/ CC

2000 mm

50 mm

GI / Cu

Copper Strip

40*6*2000MM

SMI - 280GC /CC

2000 mm

80 mm

GI / Cu

Copper Strip

50*6*2000MM

SMI - 350GC/ CC

3000 mm

50 mm

GI / Cu

Copper Strip

40*6*3000MM

SMI-380GC/375CC

3000 mm

80 / 75 mm

GI / Cu

Copper Strip

50*6*3000MM

Gurard Advanced Earthing Compound bags beside power lines
Gurard Advanced Earthing Compound 25kg bags near power lines

Advanced Earthing Compound

Soil resistivity is the key factor affecting earth resistance — higher resistivity leads to higher resistance, regardless of electrode type or size. Advanced Earthing Compound is specially developed to overcome the limitations of conventional backfill materials, ensuring improved performance and reliable earthing.

Contact

Our Features

Our Advanced Earthing Compound is designed to deliver superior performance, durability, and reliability. Below are the key features that make it an ideal choice for efficient earthing systems.

Non - corrosive

Improves the life of the earthing system and does not damage electrode metal in any way.

All Weather Condition

Doesn't depend on ambient moisture to sustain the earth resistance values giving stable earth resistance values.

High Conductivity & Resistivity Reduction

Highly conductive backfill material that significantly improves grounding efficiency. It can reduce soil resistivity by up to 90%, ensuring better performance.

Versatile Design & Efficient Performance:

Compatible with all types of electrodes including pipes, plates, and rods, and suitable for both vertical and horizontal installations. It enhances surface area for faster fault current dissipation while maintaining constant volume without shrinking or expanding.

Eco-Friendly & Long Lasting:

Environment-friendly composition that does not contaminate groundwater. Maintains volume and offers a long shelf life without deterioration.

How Its Works

In the event of a fault, fault current dissipates into the ground through the earth connection. All metals are good conductors, so current easily flows through the electrode conductor and earthing electrode. The major obstruction occurs at the interface of the electrode and surrounding soil.

Research shows that replacing soil immediately surrounding the electrode with a conductive material significantly reduces resistance at this interface.

Electrical earthing symbol on a black background

From the relation, earth resistance (r) is directly proportional to soil resistivity. Lower soil resistivity means lower earth resistance.

Therefore, by using advanced earthing compound as backfill:

  • Soil resistivity is reduced

  • Earth resistance (R) decreases

  • Fewer electrodes are required

  • System becomes efficient, durable, and cost-effective

Formula

Mathematical earthing formula for soil resistance
Graph showing resistivity decreasing as moisture increases.

Bentonite is a moisture-retaining compound made from highly hygroscopic grades. It is used as backfill in dry and rocky terrain to maintain moisture levels. It absorbs and retains moisture for long periods and reduces soil resistivity.

25kg bag of Guard++ Bentonite moisture retaining compound

Bentonite Moisture Retaining Compound

Properties

Low Natural Restivity

Ability to absorb moisture from surrounding soil

Highly Hygroscopic

Prevents contact loss during moisture changes

Diagram of copper bonded earth rods and electrodes.

Copper Bonded Earth Rods

Manufactured from high tensile low carbon steel by molecularly bonding 99.9% pure electrolytic copper, there earth rods conform to BS 4360 grade 43A. Each rod is treated with Benzol triozole derivatives to prevent oxidation of copper bonding. The threads are formed by roll threading process which ensure strength and maintain the molecularly bonded copper along the full length of the threads. The rods can be deep driven manually or by using power hammer.

Dimensions

Model

Length (mm)

Pipe Dia (mm)

Pipe Type

Primary Conductor

Strip Size (mm)

SMI - 150CB

1000

50

CB

CB Strip

40*6* 1000

SMI - 250 CB

2000

50

CB

CB Strip

40*6* 1000

SMI - 350CB

3000

50

CB

CB Strip

40*6* 1000

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