wiring
diagram
User
UPS
Protective
ground
Ground
bar
1. Fixation hole 2. Air breaker 3. Integrated lightning protection element
4. Ground copper bar C-class lightning protection ground
Fig. 1 Connection of SPD24SZ SPD
Notes:
1. It is recommended to use copper core cable with sectional area
between 6
25mm² as the live line (L) and neutral line (N) of the
SPD24SZ SPD, and copper core cable with sectional area 10mm²
(minimally 6mm²) as the protective ground cable (PE line). For
detailed installation, please refer to relevant specifications by
Avansys.
2. According to test result, the length of the connection cable
between the C-class SPD box and the UPS is required to be within
5
10m, and it must be ensured that this cable will not suffer
lightning strike. Too short cable length will affect the lightning
protection effect.
3. In applications with high lightning strike hazard, it is
recommended to install B-class
(or
-class
SPD
at 12m or even
Appendix 2 Grounding & Lightning Protection 45
E1-20010915-C-1.0