It therefore recommended that additional supports are considered before installation.11
RA085 7TCA083440R0005 1,000 Ø10 M10 Aluminium 0.35
RA240 7TCA083410R0071 2,000 Ø15 M16 Copper 3.29
RA025 7TCA083420R0054 1,000 Ø15 M16 Aluminium 0.51
RA230 7TCA083410R0070 1,500 Ø15 M16 Copper 2.73
RA225 7TCA083410R0067 1,000 Ø15 M16 Copper 1.
Illustration: air rod base and multiple point not included. Supplied complete with locknut.70
RA015 7TCA083420R0053 500 Ø15 M16 Aluminium 0.53
RA030 7TCA083420R0056 1,500 Ø15 M16 Aluminium 0.80
RA040 7TCA083420R0057 2,000 Ø15 M16 Aluminium 1.65
RA080 7TCA083440R0004 500 Ø10 M10 Aluminium 0.60
RA400-FU 7TCA083430R0001 500 Ø10 M10 Copper 0.22
—
Air termination
Air rods
“Field Trials the United States, carried out over many years research have confirmed
that blunt air rods are struck lightning preference taper pointed air rods.00
RA250-FU 7TCA083410R0072 3,000 Ø15 M16 Copper 4.
Certification Standards: IEC/BS 62561-2 96.—
Air rod
Part no.
Manufactured from high conductivity hard drawn copper aluminium.33
RA402 7TCA083430R0002 1,000 Ø10 M10 Copper 0. ABB order code
Rod length
(mm)
Rod diameter
(mm)
Thread
size
Conductor
material
Weight
each (kg)
Certification/
standards
RA215 7TCA083410R0063 500 Ø15 M16 Copper 0.
32 FURSE® EARTHING LIGHTNING PROTECTION
QUALIT SOLUTIONS FOR SAFEGUARDING PEOPLE, STRUCTURES AND SERVICES
.06
RA050 7TCA083420R0058 3,000 Ø15 M16 Aluminium 1.
Note: during high winds and extreme weather conditions air rods over 1,000 long can subjected fatigue mechanisms.”
Lightning rod improvement studies Moore, Rison, Mathis, Aulich,
Journal Applied Meteorology, May 2000
