Siemens siprotec 7SA6 User Manual page 68

Hardware and Connections
2.3.3 Connections to Plug-In Terminals
Terminal Blocks for
Voltage
Connections
2-40
Covering cap for
18 terminal voltage
connection terminal block
Figure 2-37 Covering caps for terminal blocks with screw terminals
Plug-in terminals are only available for voltage connections. Current connections are
made with screw terminals on all 7SA6.
There are two versions of plug-in terminal blocks. They are shown in Figure 2-14.
c b a
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
a
18 terminal
Figure 2-38 Terminal blocks of plug-in terminals for voltage connections — rear view
The system of numbers and letters used to designate the plug-in terminals is illustrat-
ed in Figure 2-15.
c
b c
Covering cap for
12 terminal voltage
or 8 terminal current
connection terminal block
b a
1
2
3
4
5
6
7
8
9
10
11
12
a b c
12 terminal
C53000-G1176-C133-1
7SA6 Manual