6F8C0845
37
3.5 Network Power/Grounding
3
• Thin cable trunk line: 3 A maximum
Figure 3-10 Trunk Line (Thin Cable) Current
• Drop line: 0.75 to 3.0 A Formula: I = 4.57/L (however, I<3 A)
I: Maximum current for drop line (A)
L: Drop line length (0 to 6 m)
Cable length
0m
10m
20m
30m
40m
50m
60m
70m
80m
90m 100m
Maximum current
(A)
3.00
3.00
3.00
2.06
1.57
1.26
1.06
0.91
0.80
0.71
0.64
細ケーブル最大電流
0.00
0.50
1
.00
1
.50
2.00
2.50
3.00
0m
1
0m
20m
30m
40m
50m
60m
70m
80m
90m
1
00m
ケーブル長
電流値
(A)
Maximum current for thick
Cu
rr
e
n
t(
A)
Cable lengthcable