Table of Contents
Advertisement
36
Test switch modules for RED 521
7HVW VZLWFK PRGXOHV IRU 5('
One test switch is required for each analog input module (AIM). As the RED 521 ter-
minal case is 19" the test switch will always be delivered separately. The test switches
for RED 521 have always an external earth (star point) connection of three-phase CT
groups,
see figure
22. There are two alternatives for the choice of test switch modules.
29
30
B
A
A
B
1
13
2
14
3
15
4
16
5
17
6
18
7
19
8
20
9
21
10
22
23
11
24
12
RK 926 315-AP
)LJXUH :LWK H[WHUQDO HDUWKLQJ
7DEOH 2UGHULQJ D WHVW VZLWFK IRU 5('
2UGHULQJ QXPEHU
'HVFULSWLRQ
1MRK 000 371-EA
For the first AIM module. Test switch module RTXP 24 in a RHGS case.
Provides a DC-switch as an available option.
1MRK 000 371-EB
For the second AIM module. Test switch module RTXP 24 in a RHGS
case. DC-switch is not a possible option.
7HUPLQDOV ZLWK D WHVW VZLWFK PRGXOH
&KDSWHU
Advertisement
Table of Contents
