Data for Selection and Ordering
337
7SS52 V4 Manual
C53000-G1176-C182-3
A.1.2 Bay Units
Service interface (rear port)
DIGSI 4, electrical RS232
DIGSI 4, electrical RS485
DIGSI 4, optical 820 nm, ST plug
1
2
3
Fitted for
8 bays
16 bays
24 bays
32 bays
40 bays
48 bays
A
B
C
D
E
F
Additional information L, further protocols (port K) Position
21 22
IEC 61850, electrical with EN100 0 R
Table A-1 Selection and ordering data for central unit
Order No.
Distributed busbar and breaker failure protection
SIPROTEC 7SS52 V4
CENTRAL UNIT
7 S S 5 2 ❏ 0-❏❏❏❏❏ -1❏ A0
Table A-2 Selection and ordering data for bay unit 7SS523
Order No.
Distributed busbar and breaker failure protection
SIPROTEC 7SS52 V4
BAY UNIT
7 S S 5 2 ❏❏ - ❏❏A01 -❏ AA1
System version
50/60 Hz V3.*
16.7 Hz V3.*
3
7
Rated current at 50/60 Hz
1 A
5 A
1
5
Rated auxiliary voltage of converters
DC 48 V
DC 60 to 250 V
2
5
Mechanical design in casing
in casing 7XP20 for flush mounting in panel / cubicle
in casing 7XP20 for surface mounting on panel
in casing 7XP20 for flush mounting without plastic cover
C
D
E
Ancillary functions
without
with overcurrent time protection
0
1
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