DISTRIBUTOR
A
· WIRING
Phase 1 v2 · static layout · A8 detailed
PHASE 1 / 3
L1
L2
L3
N
PE
CTRL
24 V / sense
● bus tap · solid = busbar · dashed = control wire
L1
L2
L3
N
PE
A0
CEE INLET 125 A
5P · 6h · red · 400 V · IP67
L1
L2
L3
N
PE
A1
SWITCH-DISCONNECTOR 4P
160 A · AC-23A · lockable · OPTIONAL
A2
MAIN MCCB 4P · 125 A
Icu ≥ 25 kA · overcurrent / SC
— A3 SPD BRANCH —
MCB
SPD BACKUP · 4P
per datasheet
A3
SPD · TYPE 1+2
3P+N → PE
Iimp ≥ 12.5 kA · Up ≤ 1.5 kV
PE
— AUX MCB → A4 + A6 —
AUX
MCB · 4P
B-curve · 6 A
shared: A4 + A6
A4
MULTIMETER
V1·V2·V3 · I1·I2·I3
Hz · kW
V-IN
CT
A6
RCM · MONITOR
screen · alarm only
CT secondary ↓
SUPPLY
CT
— A5 INDICATOR (own fuse, independent of aux MCB) —
FUSE
A5 own protection
independent of aux MCB
A5
PHASE INDICATOR
3 × LED · L1/L2/L3 → N
L1
L2
L3
N
— A6 · CT RING (encircles L1+L2+L3+N · PE excluded) —
CT around L1+L2+L3+N · PE passes outside the ring →
— BYPASS SPLIT —
A7
RCCB · TYPE A · S · 4P
125–160 A · IΔn = 300 mA · selective
A8
PROTECTION ASSEMBLY · VMR + COIL SUPPLY + CONTACTOR
A8.4
CONTACTOR 4P
160 A · AC-1 · 24 V DC coil
L1/L2/L3/N · coil A1/A2
A1+
A2−
A8.1
U-RELAY · VMR
U-min/max · N-loss · NO contact 11–14
L1
L2
L3
N
A1+
A2−
14
11
A8.2
B6 · 1P+N
coil supply
L
N
A8.3
PSU 230AC →
24 V DC
L
N
+24
0V
A9
MANUAL BYPASS 4P
160 A · AC-23A
key-operated · lockable
⚠ bypasses A7 + A8
— BYPASS MERGE → DISTRIBUTION BUSBAR —
A10.1
MCB · C32 · 4P
Icn ≥ 10 kA
A10.2
MCB · C32 · 4P
Icn ≥ 10 kA
A10.3
MCB · C32 · 4P
Icn ≥ 10 kA
A10.4
MCB · C32 · 4P
Icn ≥ 10 kA
A11.1 · CEE 32 A
A11.2 · CEE 32 A
A11.3 · CEE 32 A
A11.4 · CEE 32 A
— PE BAR · CONTINUOUS · NEVER SWITCHED · NEVER BYPASSED —
A0 inlet PE → enclosure → A3 SPD discharge → all 4 outlets PE
PE never passes through A6 RCM CT ring