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

Appendix
Table 12-9 Surge voltage protection components for lightning protection zones 1 <-> 2
Consec. 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
12-24
... equip transition point
1 <-> 2 with:
3 x DEHNguard 275 surge
arresters
4 x DEHNguard 275 surge
arresters
3 x DEHNbloc/275 surge arrester,
phase L1/L2/L3 to N
1 x DEHNgap C N-PE surge
arrester, N to PE
2 x DEHNguard 275 surge
arresters
1 x DEHNguard 275 surge
arresters
1 x DEHNguard 275
surge arrester, phase L to N
1 x DEHNgap C, N-PE surge
arrester, N to PE
1 x Blitzductor VT, type AD 24 V -
•
Blitzductor CT surge
arrester, type MD/HF
•
1 x per conductor pair
Surge arrester Blitzductor
CT type ME 15 V
1 x Low-voltage surge arrester
, type FDK 2 60 V
1 x Low-voltage surge arrester
2 x Surge arrester
•
DEHNguard 150
•
DEHNguard 275
1 x 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*
A5E00105492-02