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Dimensions and Connections
3.2 Connections of the Injection Units 7XT7100
[scschrkl18, 1, en_US]
Figure 3-4
Table 3-1
Screw Terminal
1
2
3 to 6
7
8
9
10
11
12
13
14
15, 16
17
18
Connection Data for Terminal Lugs and Conductors
NOTE
i
i
If you use ring-type or fork-type lugs with a non insulated crimp zone or bootlace ferrules with a non insu-
lated crimp zone, the crimp zone must be insulated with heat-shrink tubing to maintain the insulation
distance.
Only use copper conductors!
Connector on device 2
3
4
Connector on device 1
20
Screw Terminals for the 18-Pin Junction Block
Junction Block
Description
V
A
output
V
B
output
Not assigned
3
V
control
4
V
control
V
3
control
V
4
control
V
3
meas
V
4
meas
V
3
meas
V
4
meas
Not assigned
Auxiliary voltage: N (-) Neutral conductor
Auxiliary voltage: L (+) Line conductor
SIPROTEC 4/5, Injection unit 7XT71, Manual
C53000-B1174-C128-8, Edition 05.2020
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