New Products

Easy Choice
L1 L2 L3 N PE
Cable length ≥ 5 m
32 A
RCD
3 A 1
99/ IN
DEHN SPD
SPS PRO
Arrangement I Arrangement II Arrangement III
SPD Type 3
(Surge arrester)
function
OUT / FM
SPS
25 A also
permissible
without NF 10
10 A 1
SPD Type 3
(Surge arrester)
4
2
9
DR M 2P 255 FM
9
DEHNrail
3
1
L L 99 N N
IN
NETZFILTER
OUT
L’ L’ 99 N’ N’
L1 L2 L3 N 9
DEHNrail
DR M 4P 255 FM
L1 L2 L3 N 9
1 x SPS PRO Part No. 912 253 1 x DR M 2P 255 FM Part No. 953 205 1 x DR M 4P 255 FM Part No. 953 405
1 x NF 10 Part No. 912 254 alt. 1 x DR M 4P 255 Part No. 953 400
SPS
fault indication
25 A 1
SPD Type 3
(Surge arrester)
electronic
equipment
Switchgear / Machine
125 A 1
125 A 1
DEHNguard
L1
DG MOD 275
DEHNguard
L2
DG MOD 275
1 x DG M TT 275 Part No. 952 310
DEHNguard
L3
DG MOD 275
9
SPD Type 2
(Surge arrester)
SPD Type 1
(Lightning current arrester)
315 A 1
L/N
Cable length ≥ 15 m
DEHNbloc
DB H MOD 255
N/PE(N)
L/N
DEHNbloc
DB H MOD 255
N/PE(N)
L/N
DEHNguard
DEHNbloc
N
PE
DB H MOD 255
DG MOD NPE
N/PE(N)
PE
DEHNgap
9
N
DGPH MOD 255
315 A 1
L/N
DEHNbloc
DB M 1 255 FM
N/PE(N)
DEHNguard
L1
L/N
DG MOD 275
DEHNguard
DEHNbloc
L2
DG MOD 275
with remote signalling contact:
1 x DG M TT 275 FM Part No. 952 315
DB M 1 255 FM
N/PE(N)
DEHNguard
L3
DG MOD 275
9
SPD Type 2
(Surge arrester)
L/N
DEHNguard
DEHNbloc
N
PE
DG MOD NPE
DB M 1 255 FM
N/PE(N)
PE
fault indication
DEHNbloc ® M
Coordinated with DEHNguard ®
without additional cable length.
SPD Type 1
(Coordinated lightning
current arrester)
DEHNgap
9
N
DGP M 255 FM
fault indication
SPD Type 1
(Combined lightning current
and surge arrester)
315 A 1
DEHNventil ®
Directly coordinated with
Red/Line SPDs Type 2 and 3
without additional cable length.
For serial connection please see also page 18
L1 L1‘ L2 L2‘
DEHNventil
DV MOD 255
DEHNventil
DV MOD 255
L3 L3‘ N
DEHNventil
DV MOD 255
9
DEHNventil
N‘
PE
DV MOD NPE 50
Main Distribution Board Sub-distribution Board
MEB
3 x DBH M 1 255 Part No. 961 122
1 x DGPH M 255 Part No. 961 102
1 x MVS 1 8 Part No. 900 611
3 x DB M 1 255 FM Part No. 961 125
1 x DGP M 255 FM Part No. 961 105
1 x MVS 1 8 Part No. 900 611
fault indication
1 x DV M TT 255 FM Part No. 951 315
alt. 1 x DV M TT 255 Part No. 951 310
1) Only required, if no fuse of the same or a lower nominal value is provided in the upstream power supply.
L1 L2 L3 N
TT system: Example: Industrial building
20
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