It therefore recommended that additional supports are considered before installation.29
RA025 7TCA083420R0054 1,000 Ø15 M16 Aluminium 0.60
RA400-FU 7TCA083430R0001 500 Ø10 M10 Copper 0.00
RA250-FU 7TCA083410R0072 3,000 Ø15 M16 Copper 4. Supplied complete with locknut.70
RA015 7TCA083420R0053 500 Ø15 M16 Aluminium 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.”
Lightning rod improvement studies Moore, Rison, Mathis, Aulich,
Journal Applied Meteorology, May 2000.53
RA030 7TCA083420R0056 1,500 Ø15 M16 Aluminium 0.—
Air rod
Part no. ABB order code
Rod length
(mm)
Rod diameter
(mm)
Thread
size
Conductor
material
Weight
each (kg)
Certification/
standards
RA215 7TCA083410R0063 500 Ø15 M16 Copper 0.33
RA402 7TCA083430R0002 1,000 Ø10 M10 Copper 0.
Certification Standards: IEC/BS 62561-2 96.06
RA050 7TCA083420R0058 3,000 Ø15 M16 Aluminium 1.51
RA230 7TCA083410R0070 1,500 Ø15 M16 Copper 2.80
RA040 7TCA083420R0057 2,000 Ø15 M16 Aluminium 1.
Illustration: air rod base and multiple point not included.11
RA085 7TCA083440R0005 1,000 Ø10 M10 Aluminium 0.73
RA225 7TCA083410R0067 1,000 Ø15 M16 Copper 1.
Note: during high winds and extreme weather conditions air rods over 1,000 long can subjected fatigue mechanisms.
Manufactured from high conductivity hard drawn copper aluminium.65
RA080 7TCA083440R0004 500 Ø10 M10 Aluminium 0.35
RA240 7TCA083410R0071 2,000 Ø15 M16 Copper 3.
32 FURSE® EARTHING LIGHTNING PROTECTION
QUALIT SOLUTIONS FOR SAFEGUARDING PEOPLE, STRUCTURES AND SERVICES
