EARTH BONDS FOR USE
WITH ALUMINIUM PLATE

These earth bonds provide both electrical and mechanical connection on an earth wire to an aluminium structure.

They consist in a pre-assembled nickel plated aluminium bush with a stainless steel dowel.

Drill a hole

Setting bond

Connection
Plates
Aluminium
Plate thickness
1.5 - 4mm
2 - 4 mm
> 4 mm
> 4 mm
Earth bond thread
M6
M10
M6
M10
Ptnb
80958
80959
80960
80961
Drilling diameter
11.5 mm
19 mm
10.5 mm
15 mm
Setting tool
PMT6
PMT10
PMT6
PMT10
Tightening torque
6 Nm
30 Nm
6 Nm
30 Nm
Plans

ELECTRICAL PERFORMANCE

Ptnb
80958
80959
80960
80961
Electrical resistance measured between the terminal lug and the alumnium plate (thickness)
60 µOhm
(2 mm)
50 µOhm
(2 mm)
60 µOhm
(4 mm)
20 µOhm
(4 mm)
The earth bond has passed 3 short circuit tests on 2 mm aluminium plate with no degradation of the connection
10 kA
20 kA
10 kA
20 kA
Corrosion test :
The electrical resistance after 500 hours salt spray test remains lower than :
(plate thickness)
90 µOhm
(2 mm)
50 µOhm
(4 mm)
--
--

MECHANICAL PERFORMANCE

Ptnb
80958
80959
80960
80961
Tensile load test :
The earth bond connection can accept a tensile load of :
(plate thickness)

250 daN
(2 mm)

200 daN
(2 mm)

300 daN
(4 mm)

500 daN
(4 mm)
Pressure seal :
Pressure load applied for 2 hours with no air leak between the earth bond and plate :
6 Bar
6 Bar
6 Bar
6 Bar
Terminal lug rotation test :
Rotation torque applied to the terminal lug with no rotation of the self locking nut or the earth bond :
8 Nm
30 Nm
7 Nm
30 Nm