Electrical Connections
Page 8
Electrical Connections
Electrical Connections
Electrical Connections
Electrical Connections
The RTU is powered at low voltage (12V
DC
120mA) by a battery-
operated power supply module (RTU-Qxx). When determining the
correct size for power cables, refer to the table below.
Type of cable
Length (m) in relation to effective load
AWG
mm2
ohm/Km 100 [mA] 200 [mA] 500 [mA]
1 [A]
2 [A]
5 [A]
12
3,3
5,7
1754
877
351
175
88
35
14
2
8,8
1136
568
227
114
57
23
16
1,3
14
714
357
143
71
36
14
18
0,9
21
476
238
95
48
24
10
20
0,6
34
294
147
59
29
15
6
22
0,35
52
192
96
38
19
10
4
24
0,2
85
118
59
24
12
6
2
