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Thunderbird Electric Fence Energiser Model Comparison Charts

Solar Powered Electric Fence Energisers

Solar Powered Electric Fence Energisers Small – with internal batteries

ModelStored EnergyMaximum DistanceVoltage @ no loadVoltage @ 10000 Ohms
S18B   0.15 Joules  1.5 km7.0 kV2.6 kV
S28B   0.23 Joules  2.5 km7.2 kV3.3 kV

Solar Powered Electric Fence Energisers Medium – with internal batteries

ModelStored EnergyMaximum DistanceVoltage @ no loadVoltage @ 10000 Ohms
S45B  0.47 Joules  5.0 km7.8 kV5.0 kV
S75B  0.71 Joules 10 km7.8 kV5.8 kV

Solar Powered Electric Fence Energisers Large – with internal batteries

ModelStored EnergyMaximum DistanceVoltage @ no loadVoltage @ 10000 Ohms
S180B   1.78 Joules  20 km7.4 kV6.0 kV

Solar Powered Electric Fence Energisers Large – without internal batteries

  • S255 25km Solar Energiser (MB255 + solar kit)
  • S340 35km Solar Energiser (MB340 + solar kit)
  • S560R 50km Solar Energiser (MB560R + solar kit)
  • S1060R 85km Solar Energiser (MB1060R + solar kit)
  • S1760R 135km Solar Energiser (MB1760R + solar kit)
ModelStored JoulesMax DistanceVoltage @ No LoadVoltage @ 250 ΩCurrent DrainSolar Kit Size 12V
S2552.33 J25 km7.9 kV5.1 kV160 mA20 W
S3403.4 J35 km7.9 kV5.9 kV210 mA20 W
ModelStored JoulesMax DistanceVoltage @ No LoadVoltage @ 250 ΩCurrent DrainSolar Kit Size 12V
S560R6.3 J50 km8.1 kV5.6 kV205-380 mA40 W
S1060R10.5 J85 km8.3 kV6.4 kV435-730 mA80 W
S1760R16.8 J135 km8.2 kV6.7 kV550-1250 mA120 W
S2750R27.8 J200 km8.9 kV7.6Kv @ 100 ohm1.0-4.0 A240 W
S5600R55.3 J350 km9.0 kV8.4Kv @ 100 ohm1.8-6.6 A480 W

Note: Deep cycle type batteries are recommended. Solar panel sizes may vary due to geographical locations. Larger panels may be required in some areas.

Energiser distances are a guide only. Factors such as proximity of live wire(s) to earth or to other parts of a fence, distance of live wire run underground, thickness of wire and earth condition will affect the effective distance. Thunderbird recommend a minimum distance of 200mm between the live wire(s) and any other conductor, otherwise effective energiser distance is reduced.

Mains 240v Powered Electric Fence Energisers

Mains Powered Electric Fence Energisers – Small

ModelStored EnergyMax DistanceVoltage @ No LoadVoltage @ 1000 ΩPower Usage (Watts)
M300.29 J2.5 km8.0 kV2.8 kV2.0 W
M650.83 J7.5 km7.8 kV4.0 kV3.0 W
M1251.4 J15 km9.5 kV6.1 kV4.0 W

Mains Powered Electric Fence Energisers – Medium

ModelStored EnergyMax DistanceVoltage @ No LoadVoltage @ 500 ΩPower Usage (Watts)
M2602.2 J25 km8.4 kV4.9 kV5.0 W
M3603.1 J35 km8.6 kV5.3 kV7.0 W

Mains Powered Electric Fence Energisers – Large

ModelStored EnergyMax DistanceVoltage @ No LoadVoltage @ 250 ΩPower Usage (Watts)
M650R5.6 J60 km8.2 kV5.1 kV11 W
M1150R10.9 J90 km8.2 kV5.9 kV18 W
M1680R16.8 J130 km7.8 kV5.6 kV29 W

Energiser distances are a guide only. Factors such as proximity of live wire(s) to earth or to other parts of a fence, distance of live wire run underground, thickness of wire and earth condition will affect the effective distance. Thunderbird recommend a minimum distance of 200mm between the live wire(s) and any other conductor, otherwise effective energiser distance is reduced.

Battery Powered Electric Fence Energisers

ModelDistanceStored EnergyBattery DrainSolar OptionLow Battery IndicationVoltage @ no loadVoltage @ 1000 Ω
BD202 km0.1615 mAYes – 5 WYes7.5 kv1.7 kv
B202 km0.3333 mAYes – 5 WYes7.1 kv4.4 kv
B607.5 km0.733 mAYes – 5-8 WYes8.6 kv5.9 kv
B12015 km1.5105 mAYes – 5-8 WYes8.7 kv6.7 kv

Energiser distances are a guide only. Factors such as proximity of live wire(s) to earth or to other parts of a fence, distance of live wire run underground, thickness of wire and earth condition will affect the effective distance. Thunderbird recommend a minimum distance of 200mm between the live wire(s) and any other conductor, otherwise effective energiser distance is reduced.

Mains or Battery Powered Electric Fence Energisers

Mains or Battery Powered Electric Fence Energisers – Small

ModelStored JoulesMax DistanceVoltage @ No LoadVoltage @ 250 ΩCurrent DrainSolar Kit Size 12V
MB670.75 J7.5 km8.6 kV4.6 kV40 mA5.8 W
MB1351.5 J15 km8.4 kV5.2 kV80 mA10 W

Mains or Battery Powered Electric Fence Energisers – Medium

ModelStored JoulesMax DistanceVoltage @ No LoadVoltage @ 250 ΩCurrent DrainSolar Kit Size 12V
MB2552.33 J25 km7.9 kV5.1 kV160 mA20 W
MB3553.4 J35 km7.9 kV5.9 kV210 mA20 W

Mains or Battery Powered Electric Fence Energisers – Large

ModelStored JoulesMax DistanceVoltage @ No LoadVoltage @ 250 ΩCurrent DrainSolar Kit Size 12V
MB560R6.3 J50 km8.1 kV5.6 kV205-380 mA40 W
MB1060R10.5 J85 km8.3 kV6.4 kV435-730 mA80 W
MB1760R16.8 J135 km8.2 kV6.7 kV550-1250 mA120 W
MB2750R27.8 J200 km8.9 kV7.6Kv @ 100 ohm1.0-4.0 A240 W
MB5600R55.3 J350 km9.0 kV8.4Kv @ 100 ohm1.8-6.6 A480 W

Energiser distances are a guide only. Factors such as proximity of live wire(s) to earth or to other parts of a fence, distance of live wire run underground, thickness of wire and earth condition will affect the effective distance. Thunderbird recommend a minimum distance of 200mm between the live wire(s) and any other conductor, otherwise effective energiser distance is reduced.

Posted in Electric Fence Instruction booklets and manuals, Help

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