Protection Elements - Siemens Cerberus CS1140 Planning

35

Protection elements

Modules
B3P020 392653 Mains filter 250V
Z3I041 496290 Surge protector set 230V
Z3I121 496300 Surge protector set 110V
*
564575 C-support rail TS32 L=108mm
Fire & Security Products
Siemens Building Technologies Group
Purpose
For protection against voltage surge and electromagnetic influence (EMI).
Normal field of application
Control unit
No additional protection measures required. All modules have integrated protection
against voltage surge and electromagnetic influence, however no lightning protection.
Installation
In general use twisted cable, for detection lines, data lines, external supply lines and
lines to alarm devices.
Special measures
In installations which are particularly at risk from lightning such as:
transformer installations
alpine transmitter systems
ü
Provide surge protectors for mains lead
If excessive HF interference is to be expected
ü
Provide mains filter for mains lead
Z3I041
/ 6A
AC
AC
AC
If Z3I041 or B3P020 are used and mounted at the
mains terminals, E3M060/071/171/120 and
E3C011 are not possible at position 36.
for details Õ see page 32 and 36 document e1260 and e1683
B3P020
95
e4595e 35
05.2003