housing, of-
fices and
commercial build-
ings)
TN-/TT
Type 2
4 Division
Secondary counter
zone
V50 3+NPE 5093526 VDE
ÖVE
UL
V50 3+NPE+FS
with remote signalling
5093533 VDE
ÖVE
UL
Buildings of
lightning protection
classes IV
(e.g.g. Test
mark
Product
figure
Private building,
Multiple dwelling, in-
dustry, commerce
TN-/TT
Type 2
4 Division
Secondary counter
zone
V20 3+NPE 5095253 VDE
ÖVE
UL
V20 3+NPE+FS
with remote signalling
5095333 VDE
ÖVE
UL
Private building,
Multiple dwelling
TN-/TT
Type 2
40 busbar
Power connection
compartment (NAR)
MCF25-NAR-TNC 5096950 VDE
MCF30-NAR-TT 5096961 VDE
Buildings of
lightning protection
classes III and IV
(e. industry)
TN-C
Type 1
6 Division
Pre-metered sec-
ondary counter zone
MCF75-3+FS 5096981 VDE
UL
TN-S
Type 1
40 busbar
Power connection
compartment (NAR)
MCF75-NAR-TNC 5096982 VDE
TN-S
Type 1+2
6 Division
Pre-metered sec-
ondary counter zone
MCF100-3+NPE+FS 5096987 VDE
UL
TN-S/TT
Type 1+2
40 busbar
Power connection
compartment (NAR)
MCF100-NAR-TT 5096985 VDE
Installation location 1
Installation the main distributor box combined distributor
Basic protection type type 2
TBS
Blitzschutz-Leitfaden
2018
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2020/01/10
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Chapter The internal lightning protection system
.Selection aid, energy technology
AC combination arrestor and surge protection; type type 1+2, type and
type 3
Initial situation
No external lightning protection
system
Earthing cable connection
External lightning protection sys-
tem
(according IEC 62305)
Outdoor connection
Building type Description Type Item no
