Without lightning
protection system
With exposed cable
supply
With lightning pro-
tection system
(BZK 3+4)
With lightning pro-
tection system
(BZK 1+2)
TN-C 3-pin
TN-C 3-pin
TT and TN-S 3+NPE
TT and TN-S 3+NPE
TN-C 3-pin
TN-C 3-pin
TT and TN-S 3+NPE
TT and TN-S 3+NPE
TN-C 3-pin
TN-C 3-pin
TT and TN-S 3+NPE
TT and TN-S 3+NPE
FS Potential-free remote signalling (NO/NC)
TBS
Blitzschutz-Leitfaden
2018
/
en
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2020/01/10
14:42:40
14:42:40
(LLExport_02613)
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2020/01/10
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193
Chapter The internal lightning protection system
.TBS
Blitzschutz-Leitfaden
2018
/
en
/
2020/01/10
14:42:40
14:42:40
(LLExport_02613)
/
2020/01/10
14:42:54
14:42:54
Examples: MCF-xxx-NAR-TNC (+FS) for TN-C networks and MCF-xxx-NAR-TT (+FS) for and TN-S networks
Surge protection for the power supply
Use the power connection compartment (NAR/40 busbar)
Application
In the building
Network system
Remote sig-
nalling
Itotal
(10/350)
Maximum
fuse
Type Item no
