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Electric Fence Buying Guide

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Choosing Energizers

 

PetStop

Agri 10 Solar

Agri 25 Solar

Agri 50 Solar

 Maximum Fence Length (1)

3km

10km

25km

50km

 Output Energy into 330ohm

0.3 J

1 J

2.3 J

4.6 J

 Stored Energy

0.5 J

1.4 J

3.1 J

6.5 J

 Maximum Fence Voltage

7.5kV

8kV

9kV

9kV

 Recommended PV panel
 (Open circuit voltage max 23V)

3W

10W

20W

40W

 Recommended Battery

12Ah

12Ah

28Ah

50Ah

 Environmental Rating

IP65

IP65

IP65

IP65

Max Fence Length

The distances that can be powered by energizers are a guideline only and apply to optimal fence conditions. Factors such as the resistance of the fence wire, the type of fence wire, the installation of the fence, proximity of the live fence wire to other earth wires, the amount of vegetation touching the fence and earthing of the fence system will influence the distance that can be powered.

Typical electric fence for small property with good earthing (no ground wire)

If the earthing conditions are good all year round, then a few electric fence level wires are enough. The good condition earthing means getting rains very often in the area, the soil moisture level is good.

 

Typical electric fence for small property with inadequate earthing (with ground wire)

If the earthing is not good due to poor soild condition or seasonal changes in soild moisture levels, you will require additional earthing wire to install into the electric fence circle. This makes the electric current runs along the ground wire instead from the ground.

 

 

Typical electric fence for large property with inadequate earthing (with ground wire and extra ground rods)

A ground rod need to be installed at least 100 metres away from the energer ground rod and extra ground rods need to be added at least 100 metres way from each other. This will make sure the electric current runs pass in a shorter circult.  The strenght of the ouptut voltage can stays better even in longer distance.

Choosing Different Type of Electric Fence Wires

 

Recommended
Max (wire) Length (2)

Voltage at Max Length (3)

Resistance (4)

Metres per Pack

 Ecostop SS3

200M

1340

13300 Ω/km

200M

 Vario SS6

500M

1700

4000 Ω/km

400M

 Blue Mix3

2000M

4830

380 Ω/km

200M and 400M

 Blue Mix6

5000M

2930

190 Ω/km

400M

 

Recommended Max Length

The Recommended Max Length is base on ideal situation, such as combine with energizer that have enough output to power up the max distance, installing the system in good soil ground, installing properly with enough ground wire and ground rods. The Max length is also based on the energizer is powering one single wire in straight line only, not by multiple wires in different lines.

Voltage at Max Length

The voltage output measured from the end of the max length of the wire.

 

Voltage at Start of Fence

Voltage at 200m

Voltage at 500m

Voltage at 2000m

Voltage at 5000m

Ecostop SS3

8500

1340

590

300

60

Vario SS6

8500

3260

1700

940

200

 Blue Mix3

8500

7370

6150

4830

1770

 Blue Mix6

8500

7900

7140

6150

2930

Examples of livestocks and voltages output table

 

Suitable Voltage output range

 Cows

8500 - 6000

 Horses

8500 - 6000

 Sheep & Goats

8500 - 4000

 Pigs

6000 - 4000

 Dogs

6000 - 1000 (depending on the dog breeds and size)

Electric Fence Polywire (wires) Resistance

The resistance of an electrical conductor (electric fence wire) is a measure of the difficulty to pass an electric current through that conductor. The higher of resistance means harder to pass an electric current. The resistance rate is made for different purpose. The higher resistance wire will suits smaller pets and livestock as it has less voltage output. The lower resistance suits bigger property as it needs to make sure the electric current can travel a longer distance.

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