Low-Voltage Protection For Lightning Protection Zones 1 <-> 2 - Siemens SIMATIC S7-300 Hardware And Installation Manual

Appendix
Table 11-9 Low-voltage protection for lightning protection zones 1 <-> 2
Ser. Cables for ...
No.
1 3-phase TN-C system
3-phase TN-S system
3-phase TT system
AC TN-S system
AC TN-C system
AC TT system
2 24 VDC Power Supply
3 Bus cable
•
MPI, RS485
•
RS232 (V.24)
4 Inputs of digital modules
DC 24 V
5 Outputs of digital modules
24 V
6 Inputs/outputs of digital
modules
•
120 VAC
•
230 VAC
7 Inputs of analog modules up
to 12 V +/-
* You can order these components directly from:
DEHN + SÖHNE
GmbH + Co. KG
Elektrotechnische Fabrik
Hans-Dehn-Str. 1
D-92318 Neumarkt
11-24
... equip transition point
1 <-> 2 with:
3 pieces DEHNguard 275 surge
of arresters
4 pieces DEHNguard 275 surge
of arresters
3 pieces DEHNbloc/275 surge arrester,
of phase L1/L2/L3 to N
1 piece DEHNgap C N-PE surge
of arrester, N to PE
2 pieces DEHNguard 275 surge
of arresters
1 piece DEHNguard 275 surge
of arresters
1 piece DEHNguard 275
of surge arrester, phase L to N
1 piece DEHNgap C, N-PE surge
of arrester, N to PE
1 piece Blitzductor VT, type AD 24 V -
of
•
Blitzductor CT surge
arrester, type MD/HF
•
1 piece per conductor pair
of surge arrester
Blitzductor CT Typ ME 15 V
1 piece Low-voltage surge arrester,
of type FDK 2 60 V
1 piece Low-voltage surge arrester
of
2 pieces Surge arrester
of
•
DEHNguard 150
•
DEHNguard 275
1 piece
of Blitzductor CT surge arrester,
type MD 12 V
S7-300 Programmable Controller Hardware and Installation
Order No.
900 600*
5SD7 030
900 600*
5SD7 030
900 600*
5SD7 030
900 131*
900 600*
5SD7 030
900 600*
5SD7 030
900 600*
5SD7 030
900 131*
918 402*
919 506* and
919 570*
919 506* and
919 522*
919 993*
919 991*
900 603*
900 600*
919 506* and
919 541*
A5E00105492-01