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S-Schutz<br />

Easy Choice<br />

L1 L2 L3 N PE<br />

SPD Type 3<br />

(Surge arrester)<br />

L1 L2 L3 N PE<br />

Cable length ≥ 5 m<br />

DEHNflex<br />

Socket Outlet<br />

Cable length ≥ 5 m<br />

1 x DSA 230 LA Part No. 924 370<br />

for cable ducts<br />

Socket Outlet<br />

16 A<br />

1 x DFL M 255 Part No. 924 396<br />

for flush-mounted systems<br />

16 A<br />

RCD<br />

L/N<br />

DEHNguard<br />

DEHNbloc<br />

L1<br />

DG MOD CI<br />

275<br />

DB M 1 255 FM<br />

N/PE(N)<br />

L2<br />

DEHNguard<br />

DG MOD CI<br />

275<br />

L/N<br />

L3<br />

DEHNguard<br />

DG MOD CI<br />

275<br />

with remote signalling contact:<br />

1 x DG M TNS CI 275 FM Part No. 952 406<br />

315 A 1<br />

DEHNbloc<br />

9<br />

SPD Type 2<br />

(Surge arrester)<br />

DB M 1 255 FM<br />

N/PE(N)<br />

DEHNguard<br />

N<br />

PE<br />

L/N<br />

DG MOD 275<br />

DEHNbloc<br />

DB M 1 255 FM<br />

N/PE(N)<br />

fault indication<br />

DEHNbloc ® M<br />

Coordinated with DEHNguard ®<br />

without additional cable length.<br />

SPD Type 1<br />

(Coordinated lightning<br />

current arrester)<br />

2<br />

fault indication<br />

Main Distribution Board Sub-distribution Board<br />

L1<br />

L2<br />

with remote signalling contact:<br />

1 x DG M TT CI 275 FM Part No. 952 327<br />

315 A 1<br />

L/N<br />

DEHNbloc<br />

DB M 1 255<br />

N/PE(N)<br />

DEHNguard<br />

DG MOD CI<br />

275<br />

L/N<br />

DEHNguard<br />

DG MOD CI<br />

275<br />

DEHNbloc<br />

DB M 1 255<br />

N/PE(N)<br />

L3<br />

DEHNguard<br />

DG MOD CI<br />

275<br />

9<br />

SPD Type 2<br />

(Surge arrester)<br />

DEHNbloc ® M<br />

Coordinated with DEHNguard ®<br />

without additional cable length.<br />

SPD Type 1<br />

(Coordinated lightning<br />

current arrester)<br />

L/N<br />

DEHNguard<br />

DEHNbloc<br />

N<br />

PE<br />

DG MOD NPE<br />

DB M 1 255<br />

N/PE(N)<br />

2<br />

PE<br />

fault indication<br />

DEHNgap<br />

9<br />

N<br />

DGP M 255<br />

Main Distribution Board Sub-distribution Board<br />

MEB<br />

3 x DB M 1 255 FM Part No. 961 125<br />

1 x MVS 1 6 Part No. 900 815<br />

alt. 3 x DB M 1 255 Part No. 961 120<br />

1 x MVS 1 6 Part No. 900 815<br />

MEB<br />

3 x DB M 1 255 Part No. 961 120<br />

1 x DGP M 255 Part No. 961 101<br />

1 x MVS 1 8 Part No. 900 611<br />

L1 L2 L3 PEN<br />

I K<br />

≤ 25 kA<br />

1) Only required, if no fuse of the same or a<br />

lower nominal value is provided in the<br />

upstream power supply<br />

2) Without separate backup fuse in case of earthfault<br />

and short-circuit-proof installation<br />

L1 L2 L3 N<br />

I K<br />

≤ 25 kA<br />

1) Only required, if no fuse of the same or a<br />

lower nominal value is provided in the<br />

upstream power supply<br />

2) Without separate backup fuse in case of earthfault<br />

and short-circuit-proof installation<br />

TN system<br />

TT system<br />

22<br />

www.dehn.de

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